RedMax G5300 Manuel utilisateur

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Manuel utilisateur

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EP
A III
KEY
T
O SYMBOLS
2
English
Symbols on the mac
hine:
W
ARNING! Chain saws can be
dangerous! Careless or improper use
can result in serious or fatal injury to the
operator or others.
Please read the operator’s manual
carefully and make sure you understand
the instructions before using the
machine.
Always wear:
Approved protective helmet
Approved hearing protection
Protective goggles or a visor
Both of the operator
s hands must
be used to operate the chain saw.
Never operate a chain saw
holding it with one hand only.
Contact of the guide bar tip with any
object must be avoided.
WARNING! Kickback may occur when
the nose or tip of the guide bar touches an
object, and cause a lightning fast reverse
reaction, kicking the guide bar up and
towards the operator. May cause serious
personal injury.
Decompression v
alve:
The valve is to
reduce the pressure in the cylinder and
make starting easier. You should always
use the decompression valve when
starting the machine.
Air pur
ge:
Device that evacuates air
from the fuel system and make
starting the engine easier.
Symbols f
or Canada model:
Recommended cutting
equipment in this example:
- Bar length 18 inches
- Max. nose radius 10 Teeth
- Chain type Oregon 33 SL
Other approved bar and chain
combinations in Operator’s Manual.
Measured maximum kickback value with
brake for the bar and chain combination on
the label.
Other symbols/decals on the mac
hine refer to special
certification requirements for certain markets.
Symbols in the operator’
s
manual:
Switch off the engine b
y moving the stop
switch to the STOP position before
carrying out any checks or
maintenance.
Ignition;
choke:
Set the choke control
in the choke position. This should
automatically set the stop switch to the
start position.
Always wear approved protective
gloves.
Regular cleaning is required.
Visual check.
Protective goggles or a visor must be
worn.
Refuelling.
Filling with oil and adjusting oil flow.
WARNING! Kickback may occur when
the nose or tip of the guide bar touches
an object, and cause a lightning fast
reverse reaction, kicking the guide bar up
and towards the operator. May cause
serious personal injury.
KEY
T
O SYMBOLS
English
3
Y
ou will find the following labels on your
chain saw:
USA:
Canada:
EP
A III
The Emissions Compliance P
eriod referred to on the
Emission Compliance label indicates the number of
operating hours for which the engine has been shown to
meet Federal emissions requirements.
Maintenance, replacement, or repair of the emission
control devices and system may be performed by any
nonroad engine repair establishment or individual.
CONTENTS
4
English
Contents
KEY
TO SYMBOLS
Symbols on the machine:
...................................... 2
Symbols for Canada model: .................................. 2
Symbols in the operator’s manual: ........................ 2
CONTENTS
Contents
............................................................... 4
WHA
T IS WHAT?
What is what on the chain sa
w? ........................... 5
AMERICAN ST
ANDARD SAFETY
PRECAUTIONS
Saf
ety precautions for chain saw users ................ 6
GENERAL SAFETY PRECA
UTIONS
Bef
ore using a new chain saw .............................. 7
Important .............................................................. 7
Always use common sense .................................. 8
Personal protective equipment ............................. 8
Machine
s safety equipment ................................. 8
Cutting equipment ................................................. 11
Maintenance of saw chain and guide bar ............. 12
ASSEMBL
Y
Fitting the bar and chain
....................................... 16
FUEL HANDLING
Fuel
....................................................................... 17
Fueling .................................................................. 19
Fuel safety ............................................................ 19
ST
ARTING AND STOPPING
Star
ting and stopping ............................................ 20
W
ORKING TECHNIQUES
Bef
ore use: ............................................................ 15
General working instructions ................................ 22
How to avoid kickback ........................................... 28
MAINTENANCE
Gener
al ................................................................. 30
Carburetor adjustment .......................................... 30
Checking, maintaining and servicing chain saw
safety equipment ..................................................
31
Muffler ................................................................... 33
Starter ................................................................... 33
Air filter .................................................................. 34
Spark plug ............................................................. 35
Lubricating the bar tip sprocket ............................. 35
Needle bearing lubrication .................................... 35
Adjustment of the oil pump ................................... 35
Cooling system ..................................................... 28
”Dust Free” centrifugal cleaning ............................ 36
Winter use ............................................................. 36
Maintenance schedule .......................................... 37
TECHNICAL D
ATA
T
echnical data ....................................................... 38
Bar and chain combinations ................................. 39
LIMITED
WARRANTY
Limited w
arranty ................................................... 40
P
ARTS LIST
.......................................................... 121
English
5
WHA
T IS
WHA
T?
What is what on the c
hain saw?
14
15
10
11
12
13
24
23
21
20
19
18
17
16
22
25
26
4
2
5
7
6
8
9
3
27
28
29
1
1
Decompression valve
2 Starter handle
3 Adjuster screws carburetor
4 Stop switch (Ignition on/off switch.)
5 Rear handle
6 Choke control/Start throttle lock
7 Fuel tank
8 Starter
9 Chain oil tank
10 Throttle lockout
11 Cylinder cover
12 Front handle
13 Front hand guard
14 Muffler
15 Bar tip sprocket
16 Chain
17 Bar
18 Bumper spike
19 Chain catcher
20 Chain tensioning screw
21 Oil pump adjustment screw
22 Clutch cover
23 Right hand guard
24 Throttle control
25 Operator’s manual
26 Combination wrench
27 Information and warning decal
28 Product and serial number plate
29 Air purge bulb
AMERICAN ST
AND
ARD SAFETY PRECA
UTIONS
6
English
Saf
ety precautions for chain saw
users
(ANSI B175.1-2000 Anne
x C)
Kic
kback safety precautions
With a basic understanding of kic
kback, you can reduce
or eliminate the element of surprise. Sudden surprise
contributes to accidents.
Keep a good firm grip on the saw with both hands, the
right hand on the rear handle, and the left hand on the
front handle, when the engine is running. Use a firm grip
with thumbs and fingers encircling the chain saw handles.
A firm grip will help you reduce kickback and maintain
control of the saw. Don’t let go.
Make sure that the area in which you are cutting is free
from obstacles. Do not let the nose of the guide bar
contact a log, branch, or any other obstacle which could
be hit while you are operating the saw.
Cut at high engine speeds.
Do not overreach or cut above shoulder height.
Follow manufacturer’s sharpening and maintenance
instructions for the saw chain.
Only use replacement bars and chains specified by the
manufacturer or the equivalent.
Other saf
ety precautions
Do not oper
ate a chain saw when you are fatigued.
Use safety footwear; snug-fitting clothing, protective
gloves, and eye, hearing and head protection devices.
Use caution when handling fuel. Move the chain saw at
least 10 feet (3 m) from the fueling point before starting
the engine.
Do not allow other persons to be near the chain saw when
starting or cutting with the chain saw. Keep bystanders
and animals out of the work area.
Do not start cutting until you have a clear work area,
secure footing and a planned retreat path from the falling
tree.
Keep all parts of your body away from the saw chain when
the engine is running.
Before you start the engine, make sure that the saw chain
is not contacting anything.
Carry the chain saw with the engine stopped, the guide
bar and saw chain to the rear, and the muffler away from
your body.
Do not operate a chain saw that is damaged, improperly
adjusted, or not completely and securely assembled. Be
sure that the saw chain stops moving when the throttle
control trigger is released.
Shut off the engine before setting the chain saw down.
Use extreme caution when cutting small size brush and
saplings because slender material may catch the saw
chain and be whipped toward you or pull you off balance.
When cutting a limb that is under tension be alert for
springback so that you will not be struck when the tension
in the wood fibers is released.
Keep handles dry, clean and free of oil or fuel mixture.
Operate the chain saw only in well-ventilated areas.
Do not operate a chain saw in a tree unless you have
been specifically trained to do so.
Do not operate a chain saw above shoulder height.
All chain saw service, other than the items listed in the
operator’s/owner’s safety and maintenance instructions,
should be performed by competent chain saw service
personnel. (For example, if improper tools are used to
remove the flywheel or if an improper tool is used to hold
the flywheel in order to remove the clutch, structural
damage to the flywheel could occur and subsequently
cause the flywheel to burst.)
When transporting your chain saw, use the appropriate
guide bar guard.
Note: This Annex is intended primarily for the consumer or
occasional user.
!
W
ARNING! Kickback may occur when
the nose or tip of the guide bar touches
an object, or when the wood closes in
and pinches the saw chain in the cut.
Tip contact in some cases may cause a
lightning fast reverse reaction, kicking
the guide bar up and back towards the
operator.
Pinching the saw chain along the top of
the guide bar may push the guide bar
rapidly back towards the operator.
Either of these reactions may cause you
to lose control of the saw which could
result in serious personal injury.
Do not rely exclusively upon the safety
devices built into your saw. As a chain
saw user, you should take several steps
to keep your cutting jobs free from
accident or injury.
!
W
ARNING! Do not operate a chain saw
with one hand! Serious injury to the
operator, helpers, bystanders or any
combination of these persons may result
from one-handed operation. A chain saw
is intended for two-handed use.
GENERAL SAFETY PRECA
UTIONS
English
7
Bef
ore using a new chain saw
Please read this manual carefully.
Check that the cutting equipment is correctly fitted
and adjusted. See instructions under the heading
Assembly.
Refuel and start the chain saw. See the instructions
under the headings Fuel Handling and Starting and
Stopping.
Do not use the chain saw until sufficient chain oil has
reached the chain. See instructions under the
heading Lubricating cutting equipment.
Long-term exposure to noise can result in permanent
hearing impairment. So always use approved hearing
protection.
Impor
tant
!
W
ARNING! Under no circumstances may
the design of the machine be modified
without the permission of the
manufacturer. Always use genuine
accessories. Non-authorized
modifications and/or accessories can
result in serious personal injury or the
death of the operator or others. Your
warranty may not cover damage or
liability caused by the use of non-
authorized accessories or replacement
parts.
!
W
ARNING! A chain saw is a dangerous
tool if used carelessly or incorrectly and
can cause serious, even fatal injuries. It
is very important that you read and
understand the contents of this
operator’s manual.
!
W
ARNING! The inside of the muffler
contain chemicals that may be
carcinogenic. Avoid contact with these
elements in the event of a damaged
muffler.
!
W
ARNING! Long term inhalation of the
engine’s exhaust fumes, chain oil mist
and dust from sawdust can represent a
health risk.
!
W
ARNING! The ignition system of this
machine produces an electromagnetic
field during operation. This field may
under some circumstances interfere with
pacemakers. To reduce the risk of
serious or fatal injury, we recommend
persons with pacemakers to consult
their physician and the pacemaker
manufacturer before operating this
machine.
!
W
ARNING! When using a chain saw, a
fire extinguisher should be available.
!
W
ARNING! Keep handles dry, clean and
free of oil.
!
WARNING! Beware of carbon monoxide
poisoning. Operate the chainsaw in well
ventilated areas only.
!
WARNING! Do not attempt a pruning or
limbing operation in a standing tree
unless specifically trained to do so.
IMPORTANT!
The machine is only designed for cutting wood.
You should only use the saw with the bar and chain
combinations we recommend in the chapter Technical
data.
Never use the machine if you are fatigued, while under
the influence of alcohol or drugs, medication or anything
that could affect your vision, alertness, coordination or
judgement.
Wear personal protective equipment. See instructions
under the heading Personal protective equipment.
Do not modify this product or use it if it appears to have
been modified by others.
Never use a machine that is faulty. Carry out the checks,
maintenance and service instructions described in this
manual. Some maintenance and service measures
must be carried out by trained and qualified specialists.
See instructions under the heading Maintenance.
Never use any accessories other than those
recommended in this manual. See instructions under
the headings Cutting equipment and Technical data.
CAUTION! Always wear protective glasses or a face
visor to reduce the risk of injury from thrown objects. A
chain saw is capable of throwing objects, such as wood
chips, small pieces of wood, etc, at great force. This can
result in serious injury, especially to the eyes.
!
WARNING! Running an engine in a
confined or badly ventilated area can
result in death due to asphyxiation or
carbon monoxide poisoning.
!
WARNING! Faulty cutting equipment or
the wrong combination of bar and saw
chain increases the risk of kickback!
Only use the bar/saw chain combinations
we recommend, and follow the filing
instructions. See instructions under the
heading Technical data.
GENERAL SAFETY PRECAUTIONS
8 – English
Always use common sense
It is not possible to cover every conceivable situation you
can face when using a chain saw. Always exercise care
and use your common sense. Avoid all situations which
you consider to be beyond your capability. If you still feel
uncertain about operating procedures after reading these
instructions, you should consult an expert before
continuing. Do not hesitate to contact your dealer or us if
you have any questions about the use of the chain saw.
We will willingly be of service and provide you with advice
as well as help you to use your chain saw both efficiently
and safely. Attend a training course in chain saw usage if
possible. Your dealer, forestry school or your library can
provide information about which training materials and
courses are available.
Work is constantly in progress to improve the design and
technology - improvements that increase your safety and
efficiency. Visit your dealer regularly to see whether you
can benefit from new features that have been introduced.
Personal protective equipment
Approved protective helmet
Hearing protection
Approved protective goggles and a visor. The
approved protective goggles should comply with
standard ANSI Z87.1.
Gloves with saw protection
Trousers with saw protection
Boots with saw protection, steel toe-cap and non-slip
sole
Always have a first aid kit nearby.
Fire Extinguisher and Shovel
Do not wear loose fitting clothing, scarves, neckties,
jewelry or any item that may become tangled in
surrounding growth or the chain saw itself. Generally
clothes should be close-fitting without restricting your
freedom of movement.
Machine′′
s safety equipment
In this section the machine’s safety features and their
function are explained. For inspection and maintenance
see instructions under the heading Checking, maintaining
and servicing chain saw safety equipment. See
instructions under the heading, What is what?, to find
where these parts are located on your machine.
The life span of the machine can be reduced and the risk
of accidents can increase if machine maintenance is not
carried out correctly and if service and/or repairs are not
carried out professionally. If you need further information
please contact your nearest servicing dealer.
Chain brake and front hand guard
Your chain saw is equipped with a chain brake that is
designed to stop the chain. Should kickback occur, the
chain brake reduces the risk of accidents, but only you
can prevent them.
!
WARNING! Most chain saw accidents
happen when the chain touches the
operator. You must use approved
personal protective equipment whenever
you use the machine. Personal protective
equipment cannot eliminate the risk of
injury but it will reduce the degree of
injury if an accident does happen. Ask
your dealer for help in choosing the right
equipment.
IMPORTANT! Sparks can come from the muffler, the bar
and chain or other sources. Always have fire
extinguishing tools available if you should need them.
Help prevent forest fires.
!
WARNING! Never use a machine with
defective safety components. Safety
equipment must be inspected and
maintained. See instructions under the
heading Checking, maintaining and
servicing chain saw safety equipment. If
your machine does not pass all the
checks, take the saw to a servicing
dealer for repair.
GENERAL SAFETY PRECAUTIONS
English 9
Take care when using your saw and make sure the
kickback zone of the bar never touches any object.
The chain brake (A) can either be activated manually
(by your left hand) or automatically by the inertia
release mechanism.
The brake is applied when the front hand guard (B) is
pushed forwards.
This movement activates a spring-loaded mechanism
that tightens the brake band (C) around the engine
drive system (D) (clutch drum).
The front hand guard is not designed solely to activate
the chain brake. Another important feature is that it
reduces the risk of your left hand hitting the chain if
you lose grip of the front handle.
The chain brake must be engaged when the chain
saw is started to prevent the saw chain from rotating.
Use the chain brake as a ”parking brake” when
starting and when moving over short distances, to
reduce the risk of moving chain accidentally hitting
your leg or anyone or anything close by.
To release the chain brake pull the front hand guard
backwards, towards the front handle.
Kickback can be very sudden and violent. Most
kickbacks are minor and do not always activate the
chain brake. If this happens you should hold the chain
saw firmly and not let go.
The way the chain brake is activated, either manually
or automatically by the inertia release mechanism,
depends on the force of the kickback and the position
of the chain saw in relation to the object that the
kickback zone of the bar strikes.
If you get a violent kickback while the kickback zone of
the bar is farthest away from you the chain brake is
designed to be activated by the inertia in the kickback
direction.
If the kickback is less violent or the kickback zone of
the bar is closer to you the chain brake is designed to
be activated manually by the movement of your left
hand.
In the felling position the left hand is in a position that
makes manual activation of the chain brake
impossible. With this type of grip, that is when the left
hand is placed so that it cannot affect the movement
GENERAL SAFETY PRECAUTIONS
10English
of the front hand guard, the chain brake can only be
activated by the inertia action.
Will my hand always activate the chain
brake during a kickback?
No. It takes a certain force to move the hand guard
forward. If your hand only lightly touches the front guard
or slips over it, the force may not be enough to trigger the
chain brake. You should also maintain a firm grip of the
chain saw handles while working. If you do and
experience a kickback, your hand may never leave the
front handle and will not activate the chain brake, or the
chain brake will only activate after the saw has swung
around a considerable distance. In such instances, the
chain brake might not have enough time to stop the saw
chain before it touches you.
There are also certain positions in which your hand
cannot reach the front hand guard to activate the chain
brake; for example, when the saw chain is held in felling
position.
Will my inertia activated chain brake
always activate during kickback in the
event of a kickback?
No. First your brake must be in working order. Testing the
brake is simple, see instructions under the heading
Checking, maintaining and servicing chain saw safety
equipment. We recommend you do before you begin each
work session. Second the kickback must be strong
enough to activate the chain brake. If the chain brake is
too sensitive it would activate all the time which would be
a nuisance.
Will my chain brake always protect me
from injury in the event of a kickback?
No. First, the chain brake must be in working order to
provide the intended protection. Second, it must be
activated during the kickback as described above to stop
the saw chain. Third, the chain brake may be activated but
if the bar is too close to you the brake might not have
enough time to slow down and stop the chain before the
chain saw hits you.
Only you and proper working technique can eliminate
kickback and its danger.
Throttle lockout
The throttle lockout is designed to prevent accidental
operation of the throttle control. When you press the lock
(A) (i.e. when you grasp the handle) it releases the throttle
control (B). When you release the handle the throttle
control and the throttle lockout both move back to their
original positions. This arrangement means that the
throttle control is automatically locked at the idle setting.
Chain catcher
The chain catcher is designed to catch the chain if it
snaps or jumps off. This should not happen if the chain is
properly tensioned (see instructions under the heading
Assembly) and if the bar and chain are properly serviced
and maintained (see instructions under the heading
General working instructions).
Right hand guard
Apart from protecting your hand if the chain jumps or
snaps, the right hand guard stops branches and twigs
from interfering with your grip on the rear handle.
Vibration damping system
Your machine is equipped with a vibration damping
system that is designed to reduce vibration and make
operation easier.
The machines vibration damping system reduces the
transfer of vibration between the engine unit/cutting
equipment and the machine
s handle unit. The body of the
chain saw, including the cutting equipment, is insulated
from the handles by vibration damping units.
GENERAL SAFETY PRECAUTIONS
English 11
Cutting hardwoods (most broadleaf trees) creates more
vibration than cutting softwoods (most conifers). Cutting
with cutting equipment that is blunt or faulty (wrong type
or badly sharpened) will increase the vibration level.
Stop switch
Use the stop switch to switch off the engine.
Muffler
The muffler is designed to keep noise levels to a minimum
and to direct exhaust fumes away from the user.
In areas with a hot, dry climate there is a high risk of fires.
These areas are sometimes subject to government rules
requiring among other things the muffler must be
equipped with an approved type of spark arrestor screen.
Spark arrestor muffler
The spark arrestor muffler controls the exhaust noise and
prevents hot, glowing particles of carbon from leaving the
muffler. Make sure the spark arrestor screen is in good
repair and properly seated in the muffler.
Certain internal combustion engines operated on forest,
brush and/or grass-covered areas in some states, are
required to be equipped with a spark arrestor. This
requirement also applies to all US Forest Service lands.
In some of these areas, the spark arrestor system must
be certified per USDA Forest Service Regulation SAE
J335. Check with your local state authorities fo specific
regulations in your area. Failure to follow these
regulations is in violation of the law.
Cutting equipment
This section describes how to choose and maintain your
cutting equipment in order to:
Reduce the risk of kickback.
Reduce the risk of the saw chain breaking or jumping
off the bar.
Obtain optimal cutting performance.
Extend the life of cutting equipment.
Avoid increasing vibration levels.
General rules
Only use cutting equipment recommended by us!
See instructions under the heading Technical data.
Keep the chain’s cutting teeth properly
sharpened! Follow our instructions and use the
recommended file gauge.
A damaged or badly
sharpened chain increases the risk of accidents.
Maintain the correct depth gauge setting! Follow
our instructions and use the recommended depth
gauge clearance.
Too large a clearance increases
the risk of kickback.
!
WARNING! Overexposure to vibration can
lead to circulatory damage or nerve
damage in people who have impaired
circulation. Contact your doctor if you
experience symptoms of overexposure to
vibration. Such symptoms include
numbness, loss of feeling, tingling,
pricking, pain, loss of strength, changes
in skin colour or condition. These
symptoms normally appear in the fingers,
hands or wrists. These symptoms may be
increased in cold temperatures.
!
WARNING! The exhaust fumes from the
engine are hot and may contain sparks
which can start a fire. Never start the
machine indoors or near combustible
material!
CAUTION! During operation, the muffler or catalytic
muffler and surrounding cover become hot. Never
suspend the saw on a lanyard with the engine running.
Always wear proper protective clothing to protect your
lower body from sharp saw chain and hot muffler.
Always keep exhaust area clear of flammable debris
during transportation or when storing, otherwise serious
property damage or personal injury may result.
!
WARNING! Never use a saw without a
muffler, or with a damaged muffler. A
damaged muffler may substantially
increase the noise level and the fire
hazard. Keep fire fighting equipment
handy. If a spark arrestor screen is
required in your area, never use the saw
without or with a broken spark arrestor
screen.
GENERAL SAFETY PRECAUTIONS
12English
Keep the chain properly tensioned! If the chain is
slack it is more likely to jump off and lead to increased
wear on the bar, chain and drive sprocket.
Keep cutting equipment well lubricated and
properly maintained!
A poorly lubricated chain is
more likely to break and lead to increased wear on the
bar, chain and drive sprocket.
Cutting equipment designed to reduce
kickback
The only way to avoid kickback is to make sure that the
kickback zone of the bar never touches anything.
By using cutting equipment with ”built-in” kickback
reduction and keeping the chain sharp and well-
maintained you can reduce the effects of kickback.
Bar
The smaller the tip radius the lower the chance of
kickback.
Chain
A chain is made up of a number of links, which are
available in standard and low-kickback versions.
Some terms that describe the bar and chain
To maintain the safety features of the cutting equipment,
you should replace a worn or damaged bar or chain with
a bar and chain combinations recommended by RedMax.
See instructions under the heading Technical Data for a
list of replacement bar and chain combinations we
recommend.
Bar
Length (inches/cm)
Number of teeth on bar tip sprocket (T).
Chain pitch (inches). The spacing between the drive
links of the chain must match the spacing of the teeth
on the bar tip sprocket and drive sprocket.
Number of drive links. The number of drive links is
determined by the length of the bar, the chain pitch
and the number of teeth on the bar tip sprocket.
Bar groove width (inches/mm). The groove in the bar
must match the width of the chain drive links.
Chain oil hole and hole for chain tensioner. The bar
must be matched to the chain saw design.
Chain
Chain pitch (inches)
Drive link width (mm/inches)
Number of drive links.
Maintenance of saw chain and guide bar
Chain
!
WARNING! Faulty cutting equipment or
the wrong combination of bar and saw
chain increases the risk of kickback!
Only use the bar/saw chain combinations
we recommend, and follow the filing
instructions. See instructions under the
heading Technical data.
IMPORTANT! No saw chain design eliminates the
danger of kickback.
!
WARNING! Any contact with a rotating
saw chain can cause extremely serious
injuries.
!
WARNING! Keep the chain’s cutting teeth
properly sharpened! Follow our
instructions and use the recommended
file gauge. A damaged or badly sharpened
chain increases the risk of accidents.
GENERAL SAFETY PRECAUTIONS
English 13
The cutting teeth need to be sharpened when:
Sawdust becomes powder-like
You need extra force to saw in
The cut way does not go straight
Vibration increases
Fuel consumpion increases
Sharpening cutting teeth
Make sure the saw chain is held securely, before filing!
Place your flle on the cutting teeth and push straight
forward. Keep the flle position as illustrated.
Use a round file of proper size for your chain.
After every cutting tooth has been set, check the depth
gauge and flle it to the proper level as illustrated.
1 Appropriate gauge checker
2 Make the shoulder round
3 Depth gauge standard
Make sure every cutting tooth has the same lenght and
egde angels as illustrated.
1 Cutting teeth lenght
2 Filing angle
3 Side plate angle
4 Top plate cutting angle
When the length of the cutting teeth has worn down to
only 5/32 inch (4 mm) the chain must be replaced.
Bar
Reverse the bar occasionally to prevent partial wear.
The bar rail should always be square. Check for wear of
the bar rail.
Tensioning the chain
The more you use a chain the longer it becomes. It is
therefore important to adjust the chain regularly to take up
the slack.
Check the chain tension every time you refuel. NOTE! A
new chain has a running-in period during which you
should check the tension more frequently.
Tension the chain as tightly as possible, but not so tight
that you cannot pull it round freely by hand.
Loosen the bar nuts that hold the clutch cover/chain
brake. Use the combination spanner. Then tighten the
bar nuts by hand as tight as you can.
Important Always wear gloves, when working with the
chain, in order to protect your hands from injury.
!
WARNING! Departure from the
sharpening instructions considerably
increases the risk of kickback.
Chain type 33 SL
File size 3/16" /4,8
!
WARNING! The risk of kickback is
increased if the depth gauge setting is
too large!
1
5
30°
10°
!
WARNING! A slack chain may jump off
the bar and cause serious or even fatal
injury.
GENERAL SAFETY PRECAUTIONS
14English
Raise the tip of the bar and stretch the chain by
tightening the chain tensioning screw using the
combination spanner. Tighten the chain until it does
not sag from the underside of the bar.
Use the combination spanner to tighten the bar nuts
while lifting the tip of the bar at the same time. Check
that you can pull the chain round freely by hand and
that it does not sag from the underside of the bar.
The position of the chain tensioning screw on our chain
saws varies from model to model. See instructions under
the heading What is what? to find out where it is on your
model.
Lubricating cutting equipment
Chain oil
Chain oil must demonstrate good adhesion to the chain
and also maintain its flow characteristics regardless of
whether it is warm summer or cold winter weather.
We recommend the use of our own oil for maximum chain
life. If our own chain oil is not available, standard chain oil
is recommended.
Never use waste oil! Using waste oil can be dangerous
to you and damage the machine and environment.
Filling with chain oil
All our chain saws have an automatic chain lubrication
system. On some models the oil flow is also
adjustable.
The saw chain oil tank and the fuel tank are designed
so that the fuel runs out before the saw chain oil.
However, this safety feature requires that you use the
right sort of chain oil (if the oil is too thin it will run out
before the fuel), and that you adjust the carburetor as
recommended (a lean mixture may mean that the fuel
lasts longer than the oil) and that you also use the
recommended cutting equipment (a bar that is too
long will use more chain oil).
Checking chain lubrication
Check the chain lubrication each time you refuel. See
instructions under the heading Maintenance of saw
chain and guide bar.
Aim the tip of the bar at a light coloured surface about
20 cm (8 inches) away. After 1 minute running at 3/4
throttle you should see a distinct line of oil on the light
surface.
If the chain lubrication is not working:
Check that the oil hole in the bar is not obstructed.
Clean if necessary.
Check that the groove in the edge of the bar is clean.
Clean if necessary.
Check that the oil hole in the bar is not obstructed.
Clean if necessary.
If the chain lubrication system is still not working after
carrying out the above checks and associated measures
you should contact your servicing dealer.
!
WARNING! Poor lubrication of cutting
equipment may cause the chain to snap,
which could lead to serious, even fatal
injuries.
IMPORTANT! When using vegetable based saw chain
oil, dismantle and clean the groove in the bar and saw
chain before long-term storage. Otherwise there is a risk
of the saw chain oil oxidizing, which will result in the saw
chain becoming stiff and the bar tip sprocket jamming.
GENERAL SAFETY PRECAUTIONS
English 15
Chain drive sprocket
The clutch drum is fitted with one of the following drive
sprockets:
A Spur sprocket (the chain sprocket is welded on the drum)
B Rim sprocket (replaceable)
Regularly check the degree of wear on the drive sprocket.
Replace if wear is excessive. Replace the drive sprocket
whenever you replace the chain.
Needle bearing lubrication
Both versions of sprockets have a needle bearing on the
drive shaft, which has to be greased regularly (once a
week). CAUTION! Use only high quality bearing grease or
engine oil.
See instructions under the heading Maintenance, Needle
bearing lubrication.
Checking wear on cutting equipment
Check the chain daily for:
Visible cracks in rivets and links.
Whether the chain is stiff.
Whether rivets and links are badly worn.
Replace the saw chain if it exhibits any of the points
above.
We recommend you compare the existing chain with a
new chain to decide how badly the existing chain is worn.
File all the teeth to the same length. When the length of
the cutting teeth is reduced to 5/32 inch (4 mm) the chain
is worn out and should be replaced.
Bar
Check regularly:
Whether there are burrs on the edges of the bar.
Remove these with a file if necessary.
Whether the groove in the bar has become badly
worn. Replace the bar if necessary.
Whether the tip of the bar is uneven or badly worn. If
a hollow forms on the underside of the bar tip this is
due to running with a slack chain.
To prolong the life of the bar you should turn it over
daily.
!
WARNING! Most chain saw accidents
happen when the chain touches the
operator.
Wear personal protective equipment. See
instructions under the heading Personal
protective equipment.
Do not tackle any job that you feel you
are not adequately trained for. See
instructions under the headings
Personal protective equipment, How to
avoid kickback, Cutting equipment and
General working instructions.
Avoid situations where there is a risk of
kickback. See instructions under the
heading Machine
′′
s safety equipment.
Use the recommended protective
equipment and check its condition. See
instructions under the heading General
working instructions.
Check that all the chain saw safety
features are working. See instructions
under the headings General working
instructions and General safety
precautions.
ASSEMBLY
16English
Fitting the bar and chain
Check that the chain brake is in disengaged position by
moving the front hand guard towards the front handle.
Remove the bar nuts and remove the clutch cover (chain
brake). Take off the transportation ring (A).
Note: If clutch cover is difficult to remove, replace bar
nuts, engage brake and rerelease (an audible click will be
heard if released properly).
Fit the bar over the bar bolts. Place the bar in its rearmost
position. Place the chain over the drive sprocket locate it
in the groove on the bar. Begin on the top edge of the bar.
Make sure that the edges of the cutting links are facing
forward on the top edge of the bar.
Fit the clutch cover and locate the chain adjuster pin in the
hole in the bar. Check that the drive links of the chain fit
correctly over the drive sprocket and that the chain is
correctly located in the groove in the bar. Tighten the bar
nuts finger tight.
Tension the chain by turning the chain tensioning screw
clockwise using the combination wrench.
The chain is correctly tensioned when it does not sag from
the underside of the bar, but can still be turned easily by
hand. Hold up the bar tip and tighten the bar nuts firmly
with the combination wrench.
When fitting a new chain, the chain tension has to be
checked frequently until the chain is run-in. Check the
chain tension regularly. A correctly tensioned chain
ensures good cutting performance and long life.
!
WARNING! Always wear gloves, when
working with the chain, in order to
protect your hands from injury.
FUEL HANDLING
English 17
Fuel
Note! The machine is equipped with a two-stroke engine
and must always be run using a mixture of gasoline and
two-stroke oil. It is important to accurately measure the
amount of oil to be mixed to ensure that the correct
mixture is obtained. When mixing small amounts of fuel,
even small inaccuracies can drastically affect the ratio of
the mixture.
Gasoline
Use good quality unleaded gasoline.
CAUTION! Engines equipped with catalytic
converters must be run on unleaded fuel
mixtures.
Leaded gasoline will destroy the catalytic
converter and it will no longer serve its purpose.
Gasoline requirements
All 2-Stroke RedMax products are powered by
Zenoah Professional-Commercial Duty, Hi-
Performance, Hi-RPM, Air Cooled 2-Stroke engines.
RedMax/Zenoah – Hi-Performance 2-stroke engines
produce higher HP outputs as compared to standard
Home Owner Duty or Light Commercial Duty
production engines offered by most manufacturers.
Exhaust emission are controlled by the fundamental
engine parameters and components (eq. carburation,
ignition timing and port timing) without addition of any
major hardware or the introduction of an inert material
during combustion.
The RedMax/Zenoah engines are registered and
certified with CARB (California Air Resources Board)
and EPA (Environmental Protection Agency) to
operate on CLEAN Mid-grade 89 octane or Premium,
unleaded (lead-free) gasoline and RedMax air-cooled
"MaxLife", synthetic blend Premium two-stroke engine
oil mixed at 50:1 ratio.
Unleaded gasoline is recommended to reduce the
contamination of the air for the sake of your health and
the environment.
This Hi-Performance Air Cooled 2-stroke Engine
requires the use of Minimum 89 Octane (R+M)/2
(Midgrade or Premium) clean gasoline. Gasoline may
contain maximum of 10% Ethanol (grain alcohol) or up
to 15% MTBE (Methyl tertiarybutylether). Gasoline
containing Methanol (Wood Alcohol) is NOT
approved.
CAUTION! Gasoline with an octane rating lower than 89
will greatly increase the engines operating temperature.
Low octane gasoline will cause detonation (knock)
resulting in piston seizures and major internal engine
components damage.
Poor quality gasolines or oils may damage sealing rings,
fuel lines or fuel tank of the engine.
CAUTION! Alternative fuels, such as E-15 (15%
ethanol), E-20 (20% ethanol), E-85 (85% ethanol) are
NOT classified as gasoline and are NOT approved for use
in RedMax 2-stroke gasoline engines. Use of alternative
fuels will cause major engine performance and durability
problems such as: improper clutch engagements,
overheating, vapor lock, power loss, lubrication
deficiency, deterioration of fuel lines, gaskets and internal
carburetor components, etc... Alternative fuels cause high
moisture absorption into the fuel/oil mixture leading to oil
and fuel separation.
Oil requirements
Use only RedMax "MaxLife", Synthetic blend
Premium air-cooled two-stroke engine oil or oil
certifiedto ISO-L-EGD (ISO/CD1378) standard AND
one that is JASO-FD registered. RedMax air-cooled
"MaxLife", Synthetic blend Premium two stroke
engine oil and ISO-L-EGD (ISO/CD1378) AND JASO-
FD oils arefully compatible with gasoline’s containing
10% Ethanol. RedMax air-cooled "MaxLife",
Synthetic blend Premium two stroke engine oil and
ISO-L-EGD (ISO/CD1378) AND JASO-FD oils are
Universal and should be mixed at 50:1 ratio for all 2
stroke air cooled engines sold in the past regardless
of mixing ratios specified in those manuals.
If the oil is registered with JASO, the JASO Logo with
FD and registration number will be displayed on the
container. The highest JASO rating is "FD", which
equals the ISO-L-EGD rating. Lower ratings are "FC",
"FB" and "FA".
!
WARNING! Always ensure there is
adequate ventilation when handling fuel.
!
WARNING! Gasoline is very flammable.
Avoid smoking or bringing any flame or
sparks near fuel. Make sure to stop the
engine and allow it to cool before
refueling the unit. Select outdoor bare
ground for fueling and move at least 10 ft
(3 m) away from the fueling point before
starting the engine.
IMPORTANT! If octane rating of the Mid Grade gasoline
in your area is lower than 89 Octane use Premium
Unleaded Gasoline. The majority of all 2-stroke engine
manufacturers in the USA and Canada recommend
using gasoline with 89 Octane or higher.
IMPORTANT! Failures caused by operating engines on
gasoline with octane rating lower than 89 are not
covered by the RedMax Two-Stroke engine warranty.
FUEL HANDLING
18English
Engine problems due to inadequate lubrication
caused by failure to use ISO-L-EGD certified and
JASO FD registered oil such as "MaxLife", RedMax
Synthetic blend Premium 2-stroke oil WILL VOID THE
REDMAX TWO-STROKE ENGINE WARRANTY.
CAUTION! Do not use NMMA (National Marine
Manufacturers Association), BIA (Boating Industry
Association), and TCW (two cycle water cooled) oils
designed for mopeds or outboard water cooled marine
engines. Do not use API (American Petroleum Institute),
TC (Two Cycle) labeled oils. The API-TC test standard
has been discontinued by API in 1995 and it no longer
exists.
Gasoline/oil mixture storage recommendations
Store your gasoline or gasoline/oil mixture in a cool dry
area in a tightly sealed approved container to limit the
entry of moisture and additional air (oxygen). Moisture
and air cause the development of varnish and gum,
making the fuel stale. Stored gasoline and gasoline/oil
mixture ages and loses its octane rating and volatility. Do
not mix more gasoline/oil than you intend to use in 30
days, and 60 days when fuel stabilizer is added. RedMax
air-cooled "Max Life" synthetic blend Premium two-stroke
engine oil "contains fuel stabilizer" and will automatically
extend your gasoline/oil mixture life up to 60 days.
Mixing ratio
1:50 (2%) for all engines.
Mixing
Always mix the gasoline and oil in a clean container
intended for fuel.
Always start by filling half the amount of the gasoline
to be used. Then add the entire amount of oil. Mix
(shake) the fuel mixture. Add the remaining amount of
gasoline.
Mix (shake) the fuel mixture thoroughly before filling
the machine’s fuel tank.
Do not mix more than one month’s supply of fuel at a
time.
If the machine is not used for some time the fuel tank
should be emptied and cleaned.
Chain oil
We recommend the use of special RedMax bar and
chain oil with good adhesion characteristics.
Never use waste oil. This results in damage to the oil
pump, the bar and the chain.
It is important to use oil of the right grade (suitable
viscosity range) to suit the air temperature.
In temperatures below 32°F (0°C) some oils become
too viscous. This can overload the oil pump and result
in damage to the oil pump components.
Contact your service agent when choosing chain oil.
Gasoline, litre Two-stroke oil, litre
2% (1:50)
5 0,10
10 0,43/0,20
15 0,30
20 0,40
US gallon US fl. oz.
1 2 1/2
2 1/2 6 1/2
5 12 7/8
FUEL HANDLING
English 19
Fueling
Clean the area around the fuel cap. Clean the fuel and
chain oil tanks regularly. The fuel filter must be replaced
at least once a year. Contamination in the tanks causes
malfunction. Make sure the fuel is well mixed by shaking
the container before refuelling. The capacities of the chain
oil tank and fuel tank are carefully matched. You should
therefore always fill the chain oil tank and fuel tank at the
same time.
Fuel safety
Never refuel the machine while the engine is running.
Make sure there is plenty of ventilation when refuelling
or mixing fuel (gasoline and 2-stroke oil).
Move the machine at least 10 ft (3 m) from the
refuelling point before starting it.
Never start the machine:
1 If you have spilled fuel or chain oil on the machine.
Wipe off the spillage and allow remaining fuel to
evaporate.
2 If you have spilled fuel on yourself or your clothes,
change your clothes. Wash any part of your body that
has come in contact with fuel. Use soap and water.
3 If the machine is leaking fuel. Check regularly for
leaks from the fuel cap and fuel lines.
Transport and storage
Always store the chain saw and fuel so that there is no
risk of leakages or fumes coming into contact with
sparks or naked flames from electrical equipment,
electric motors, relays/switches, boilers and the like.
Always store fuel in an approved container designed
for that purpose.
For longer periods of storage or for transport of the
chain saw, the fuel and chain oil tanks should be
emptied. Ask where you can dispose of waste fuel and
chain oil at your local gas station.
Ensure the machine is cleaned and that a complete
service is carried out before long-term storage.
The bar guard must always be fitted to the cutting
attachment when the machine is being transported or
in storage, in order to prevent accident contact with
the sharp chain. Even a non-moving chain can cause
serious cuts to yourself or persons you bump into with
an exposed chain.
Long-term storage
Empty the fuel/oil tanks in a well ventilated area. Store the
fuel in approved cans in a safe place. Fit the bar guard.
Clean the machine. See instructions under the heading
Maintenance schedule.
!
WARNING! Taking the following
precautions, will lessen the risk of fire:
Do not smoke and do not place any hot
objects in the vicinity of fuel.
Always stop the engine and let it cool for
a few minutes before refuelling.
When refuelling, open the fuel cap slowly
so that any excess pressure is released
gently.
Tighten the fuel cap carefully after
refuelling.
Always move the machine away from the
refuelling area before starting.
!
WARNING! Fuel and fuel vapor are highly
flammable. Take care when handling fuel
and chain oil. Be aware of the risks of
fire, explosion and those associated with
inhalation.
!
WARNING! Never use a machine with
visible damage to the spark plug guard
and ignition cable. A risk of sparking
arises, which can cause a fire.
STARTING AND STOPPING
20English
Starting and stopping
Cold engine
Starting: The chain brake should be activated when
starting the chain saw. Activate the chain brake by
pushing the front hand guard forwards.
Ignition; choke: Set the choke control in the choke
position. This should automatically set the stop switch to
the start position.
Start throttle: The correct choke/start throttle setting is
obtained by moving the control to the choke position.
Air purge: If the machine is fitted with an air purge (A):
Press the air purge repeatedly until fuel begins to fill the
bulb. The bulb need not be completely filled.
Decompression valve: If the machine is fitted with a
decompression valve (B): Press the valve to reduce the
pressure in the cylinder and make starting easier. You
should always use the decompression valve when
starting the machine. Once the machine has started the
valve will automatically return to its original setting.
Warm engine
Use the same procedure as for starting a cold engine but
without setting the choke control in the choke position.
The correct choke/start throttle setting is obtained by
moving the choke control to the choke position and then
pushing it in again.
Starting
Grip the front handle with your left hand. Hold the chain
saw on the ground by placing your right foot through the
rear handle. Pull the starter handle with your right hand
and pull out the starter cord slowly until you feel a
resistance (as the starter pawls engage) then pull firmly
and rapidly.
Never wrap the starter cord around your
hand
CAUTION! Do not pull the starter cord all the way out and
do not let go of the starter handle when the cord is fully
extended. This can damage the machine.
Push in the choke control as soon as the engine fires and
make repeated starting attempts. Immediately press and
release the throttle when the engine starts. That will
disengage the throttle latch.
!
WARNING! Note the following before
starting:
The chain brake must be engaged when
the chain saw is started to reduce the
chance of contact with the moving chain
during starting.
Never start a chain saw unless the bar,
chain and all covers are fitted correctly.
Otherwise the clutch can come loose and
cause personal injuries.
Place the machine on firm ground. Make
sure you have a secure footing and that
the chain cannot touch anything.
Keep people and animals well away from
the working area.
B
A
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