Shindaiwa 280TS_280TCS Manuel utilisateur

1Top cover

SHINDAIWA OWNER'S/OPERATOR'S

MANUAL

CHAIN SAW

English

(Original instructions)

Français

Deutsch

WARNING

This chain saw is designed especially for tree service by a

trained operator.

Read the instructions carefully and follow the rules for safe

operation.

Failure to do so could result in serious injury.

2

Introduction

2Introduc tion

This chain saw is designed for cutting wood or wood products.

Do not cut solid metal, sheet metal, plastic or any non-wood materials.

National or local regulation can restrict the use of this chain saw.

It is important for you to understand all safety precautions correctly before using your chain saw.

Misuse of the chain saw can cause serious bodily injury.

Never let children operate the saw.

This manual shows rules of safe operation, proper use, servicing, and maintenance of your shindaiwa chain saw.

Follow these instructions in order to maintain a good operating condition and a long service life.

For future reference, you should keep this operator's manual.

If this operator's manual has become illegible through impairment or is lost, please purchase a new one from your shindaiwa deal-

er.

When renting or lending this machine to a person who will operate it, always include this operator's manual, which provides expla-

nation and instructions.

When transferring a product, please deliver it attaching the operator's manual.

Specifications, descriptions and illustrative material in this literature are as accurate as known at the time of publication, but are

subject to change without notice.

Illustrations may include optional equipment and accessories, and may not include all standard equipment.

The unit is delivered with guide bar and saw chain separated.

Install guide bar and chain.

If there is any clause in this manual that is hard to be understood, please contact your shindaiwa dealer.

Manufacturer

YAMABIKO CORPORATION

1-7-2 SUEHIROCHO, OHME, TOKYO 198-8760, JAPAN

Authorized Representative in Europe

CERTIFICATION EXPERTS B.V.

Stationsplein 30, 1382AD Weesp, The Netherlands

3

Contents

Decals and symbols............................................................................................................ 4

Rules for safe operation...................................................................................................... 5

0. Tree service chain saw.............................................................................................. 5

1. General precautions .................................................................................................. 8

2. Kickback safety precautions .................................................................................... 11

3. Other safety precautions.......................................................................................... 12

Description........................................................................................................................ 14

Assembly .......................................................................................................................... 15

Mounting guide bar and chain ..................................................................................... 15

Operation .......................................................................................................................... 16

Fuel and lubricant ........................................................................................................ 16

Chain lubricant............................................................................................................. 16

Cap indication.............................................................................................................. 16

Starting the cold engine............................................................................................... 17

Starting the warm engine............................................................................................. 18

Running ....................................................................................................................... 18

Stopping the engine.....................................................................................................19

Checking chain tension................................................................................................ 19

Chain lubrication test ................................................................................................... 19

Pre cutting test............................................................................................................. 19

Correct use of chain brake................................................................................................ 20

Chain brake ................................................................................................................. 20

Checking the brake function of the brake .................................................................... 21

Release the chain brake.............................................................................................. 21

Non-manual chain brake.............................................................................................. 21

Cutting instruction .............................................................................................................22

General........................................................................................................................22

Felling a tree................................................................................................................ 23

Limbing ........................................................................................................................24

Bucking........................................................................................................................ 24

Tension and compression in timber............................................................................. 25

Service maintenance guide .............................................................................................. 26

Troubleshooting ................................................................................................................ 27

Saw chain maintenance.................................................................................................... 28

Service.............................................................................................................................. 30

Air filter ........................................................................................................................30

Check fuel system ....................................................................................................... 30

Fuel filter......................................................................................................................30

Oil filter ........................................................................................................................30

Spark plug ................................................................................................................... 30

Guide bar..................................................................................................................... 31

Sprocket / Clutch drum ................................................................................................ 31

Carburettor .................................................................................................................. 31

Automatic oiler............................................................................................................. 31

Cylinder fins (Cooling system)..................................................................................... 31

Silencer........................................................................................................................32

Replacement guide bar and chain............................................................................... 32

Storage .............................................................................................................................33

Long term storage (Over 30 days)............................................................................... 33

Disposal procedure........................................................................................................... 34

Specifications.................................................................................................................... 35

Declaration of conformity .................................................................................................. 36

4

Decals and symbols

DANGER WARNING CAUTION

This symbol accompanied by the

word "DANGER" calls attentions to

an act or a condition which will

lead to serious personal injury or

death of operators and bystanders.

This symbol accompanied by the

word "WARNING" calls attentions

to an act or a condition which can

lead to serious personal injury or

death of operators and bystanders.

"CAUTION" indicates a potentially

hazardous situation which, if not

avoided, may result in minor or

moderate injury.

Circle and slash symbol

means whatever is

shown is prohibited.

NOTE IMPORTANT

This enclosed message provide tips

for use, care and maintenance of the

unit.

Framed text featuring the word "IM-

PORTANT" contains important infor-

mation about the use, checking,

maintenance and storage of the prod-

uct described in this manual.

Symbol form / shape Symbol description / application Symbol form / shape Symbol description / application

Carefully read the operator's manual Chain brake operation

This chain-saw is for trained tree

service operators only.

Oil and petrol mixture

One handed operation of the saw can

be dangerous.

Chain oil fill

Appropriate ear, eye, and head

protection must be worn.

Chain oiler adjustment

Use appropriate protection for foot-

leg and hand-arm.

Purge bulb (Primer)

Warning!

Kickback may occur!

Carburettor adjustment

- Idle speed

Beware of high-temperature areas Recommended maximum speed

Emergency stop Guaranteed sound power level

Locate this safety decal on your unit.

The complete unit illustration found in the "Description"

section will help you locate them.

Make sure the decal is legible and that you understand and

follow the instructions on it.

If a decal cannot be read, a new one can be ordered from

your shindaiwa dealer.

5

Rules for safe operation

0. Tree service chain saw

 The saw is specially designed for tree service, i.e. for off-ground working in trees, and

when being used as such should only be used be trained operators.

One handed operation of the saw can be dangerous.

 If working off the ground the operator must be trained in safe climbing techniques and use

of all recommended safety equipment such as harness, loops, strops, ropes and karabiners

for himself and for the saw.

 When hoisting a chain saw using a rope tied to a lifting hook for operation on a tree, ensure

that the lifting hook is not strained by excessive force.

General requirements

Operators of tree service chain-saws working at height from a rope and harness should never

work alone.

A ground worker trained in appropriate emergency procedures should assist them.

Operators of tree service chain-saws for this work should be trained in general safe climbing

and work positioning techniques and be properly equipped with harnesses, ropes, strops, car-

abiners and other equipment for maintaining secure and safe working positions for both them-

selves and the saw.

Preparing to use the saw in the tree

The chain-saw should be checked, fuelled, started and warmed up by the ground worker and

then switched off before it is sent up to the operator in the tree.

The chain-saw should be fitted with a suitable strop for attachment to the operator's harness:

Example of attachment of chain-saw to operator's harness

 secure the strop around the attachment point on the rear of the saw;

 provide suitable karabiners to allow indirect (i.e. via the strop) and direct attachment (i.e. at

the attachment point on the saw) of the saw to the operator's harness;

 ensure the saw is securely attached when it is being sent up to the operator;

 ensure the saw is secured to the harness before it is disconnected from the means of as-

cent.

The ability to directly attach the saw to the harness reduces the risk of damage to equipment

when moving around the tree.

Always switch the saw off when it is directly attached to the harness.

Example of attachment of chain-saw to centre rear mid-point on harness

The saw should only be attached to the recommended attachment points on the harness.

These may be at mid-point (front or rear) or at the sides.

Where possible, attach the saw to centre rear mid-point to keep it clear of climbing lines and

to support its weight centrally down the operator's spine.

When moving the saw from any one attachment point to another, operators should ensure it

is secured in the new position before releasing it from the previous attachment point.

NOTE

When replacing guide bar or saw chain, ask your shindaiwa dealer.

6

Using the chain-saw in the tree

An analysis of accidents with these saws during tree service operations shows the primary

cause as being inappropriate one-handed use of the saw.

In the vast majority of accidents, operators fail to adopt a secure work position that allows them

to hold both handles of the saw.

This results in an increased risk of injury due to

 not having a firm grip on the saw if it kicks back,

 a lack of control of the saw such that it is more likely to come into contact with climbing lines

and the operator's body (particularly the left hand and arm), and

 loss of control owing to an insecure work position and resulting in contact with the saw

(unexpected movement during operation of the saw).

1. Securing the work position for two-handed use

In order to allow the saw to be held with both hands, as a general rule operators should aim

for a secure work position in which they operate the saw at

 hip level, when cutting horizontal sections, and

 solar plexus level, when cutting vertical sections.

Example of redirection of the main line via supplementary anchor point

Where the operator is working close into vertical stems with low lateral forces on the work po-

sition, then a good footing could be all that is needed to maintain a secure work position.

However, as operators move away from the stem, they will need to take steps to remove or

counteract the increasing lateral forces by, for example, a redirect of the main line via a sup-

plementary anchor point or using an adjustable strop direct from the harness to a supplemen-

tary anchor point.

Example of temporary foot stirrup created from endless sling

Gaining a good footing at the working position can be assisted by the use of a temporary foot

stirrup created from an endless sling.

2. Starting the saw in the tree

When starting the saw in the tree, the operator should

 apply the chain brake before starting,

 hold the saw on either the left or right of the body when starting,

1. on the left side, hold the saw with the left hand on the front handle and thrust the saw away

from the body while holding the pull starter cord in the right hand, or

2. on the right side, hold the saw with the right hand on either handle and thrust the saw

away from the body while holding the pull starter cord in the left hand.

The chain brake should always be engaged before lowering a running saw onto its strop.

Operators should always check that the saw has sufficient fuel before undertaking critical cuts.

7

3. One-hand use of the chain-saw

Operators should not use tree service chain-saws one-handed when work position is unstable

or in preference to a handsaw when cutting small diameter wood at the branch tips.

Tree service chain-saws should only be used one-handed where

 operators cannot gain a work position enabling two-handed use, and

 they need to support their working position with one hand, and

 the saw is being used at full stretch, at right angles to and out of line with the operator's

body.

Example of one-handed chain-saw use

Operators should never

 cut with the kickback zone at the tip of the chain-saw guide bar,

 "hold and cut" sections, or

 attempt to catch falling sections.

4. Freeing a trapped saw

It the saw become trapped during cutting, operators should

 switch off the saw and attach it securely to the tree inboard (i.e. towards the trunk side)

of the cut or to a separate tool line,

 pull the saw from the kerf whilst lifting the branch as necessary,

 if necessary, use a handsaw or second chain saw to release the trapped saw by cutting a

minimum of 30 cm away from the trapped saw.

Whether a handsaw or a chain-saw is used to free a trapped saw, the release cuts should al-

ways be outboard (toward the tips of the branch), in order to prevent the saw being taken with

the section and further complicating the situation.

8

1. General precautions

Operator's manual

 Read the operator's manual for your chain saw carefully.

Be thoroughly familiar with the chain saw's controls and how to use the chain saw properly.

Failure to follow instructions could lead to personal injury.

 If you have any questions or problems, please contact your shindaiwa dealer.

Physical condition

 Do not operate a chain saw when you are fatigued or under the influence of alcohol or

drugs.

 You should be in good physical and mental health in order to handle your chain saw safely.

Errors in judgement or execution can be serious or fatal.

If you have any physical condition which strenuous work could worsen, check with your phy-

sician before using a chain saw.

Do not operate when ill or fatigued, or under the influence of any substance or medication

which could affect your vision, dexterity or judgement.

Personal equipment

 Always wear approved goggles to protect your eyes.

Wood chips, dust, snapping branches and other debris can be thrown by the cutting chain

into the operator's facial area.

Goggles may also offer limited protection in the event of the cutting chain hitting the oper-

ator in the eye area.

If conditions warrant that a ventilated face shield be worn, goggles must be worn under-

neath it.

 shindaiwa advises wearing hearing protection at all times.

If not followed, hearing loss can occur.

You should reduce the risk of hearing damage by wearing either "headset" type protectors

or ear plugs which are approved by an authorized organization.

 All persons who make part of their living using chain saws should be tested periodically

for hearing deterioration.

 Always wear a helmet when working with a chain saw.

A safety hard helmet is highly recommended when felling or working under trees, or when

objects can fall on you.

 Wear heavy duty, non-slip gloves for improved grip, and also for protection against cold

and vibration.

 Safety tip shoes or boots with non-slip sole should be worn.

 Never wear loose clothing, unbuttoned jackets, flared sleeves and cuffs, scarves, tie-

strings, neckties, cords, chains, jewellery, etc. which could snag the saw chain or under-

brush.

 Clothing should be of sturdy, protective material.

It should be snug-fitting to resist snagging, but roomy enough for freedom of movement.

 Trouser legs should not be flared or cuffed, and should be either tucked into the boot tops

or trimmed short.

 Safety vests, leg chaps and logger's pants of ballistic material are available.

It is the operator's responsibility to wear such additional protection if conditions warrant it.

 Never operate a chain saw when you are alone.

Arrange to have someone remain within calling distance in case you need help.

CAUTION

Stuffing ears with cotton is not recommended.

9

Fuel

1. Oil tank cap

2. Fuel tank cap

A: Loosening direction

B: Tightening direction

 Use an appropriate type of fuel container.

Bring an extinguisher or shovel in case of fire.

Despite the precautions which can be taken, operating a chain saw, or just working in the

forest, presents dangers.

 Do not smoke or bring flame or sparks near to fuel supplies.

 The fuel tank may be under pressure.

Always loosen the fuel cap and wait for pressure to be equalized before removing the cap.

 When fuel tank cap or oil tank cap is difficult to remove by fingers, put the attached

socket wrench into the groove of cap and turn it anticlockwise.

 Fill the fuel tank outdoors over bare ground and install the fuel cap securely.

Do not pour fuel indoors.

 Wipe any spilled fuel off the unit.

 Never refuel while the engine is still hot, or fuel a running engine.

 Do not store the unit with fuel in its tank, because a fuel leak could start a fire.

 Always fill up the chain oil first, then fill up the fuel mixture.

DANGER

 Petrol and fuel are extremely flammable.

If spilled or ignited by ignition source, it can cause fire and serious injury or

property damage.

Extreme caution is required when handling petrol or fuel.

 After refuelling, tighten fuel cap firmly and check for leakage.

In case of fuel leakage, repair before starting operation since there is a danger of

fire.

NOTE

Do not press socket wrench forcefully, since tank cap is plastic.

Pressing forcefully can damage tank cap.

If tank cap is damaged, do not start engine and ask your shindaiwa dealer for replacement.

10

Starting engine

 Move the chain saw at least 3 m from the fuelling point before starting the engine.

 Do not allow other persons to be near the chain saw when you are starting or cutting with

the chain saw.

Keep bystanders and animals out of the work area.

Do not let anyone hold wood for you to cut.

 Do not start cutting until you have a clear work area, secure footing and a planned retreat

path from the falling tree.

 Before you start the engine, make sure that the saw chain is not contacting anything.

 Keep the handles dry, clean, and free of oil or fuel mixture.

 Operate the chain saw only in well-ventilated areas.

Exhaust gas, oil mist (from chain saw lubrication) or saw dust is harmful to health.

 When starting the chain saw place the unit on a flat ground and hold the front handle with

left hand and hold firmly the rear end of rear handle with right knee and pull starter handle

with right hand.

Transportation

1. Guide bar cover

 When transporting your chain saw, use the appropriate guide bar cover.

 Carry the chain saw with the engine stopped, the guide bar and saw chain to the rear, and

the silencer away from your body.

Transport and storage

 Always keep the engine shut off and make it certain that cutting device is securely cov-

ered. When transporting the machine, properly secure it to prevent flipping over, fuel

spillage and damage to the unit.

DANGER

Do not drop start the chain saw, drop start puts chain saw in an insecure position and

can result in injury.

Start the chain saw in a correct manner.

11

2. Kickback safety precautions

1. High kickback

 In some cases, tip contact may cause a lightning-fast reverse reaction, kicking the guide

bar up and back toward the operator (this is called a rotational kickback).

Pinching the saw chain along the top of the guide bar may push the guide bar rapidly back

toward the operator (this is called a linear kickback).

 Either or these reactions may cause you to lose control of the saw and come in contact

with the moving chain, which could result in serious personal injury.

As a chain saw user, you should take several steps to keep your cutting jobs free from ac-

cident or injury.

 With a basic understanding of kickback, you can reduce or eliminate the element of sur-

prise.

Sudden surprise contributes to accidents.

Understand that rotational kickback is preventable by keeping an unshielded bar nose from

touching an object or the ground.

 Do not operate a chain saw with one hand!

Serious injury to the operator, helpers or bystanders may result from one-handed operation.

For proper control, always use two hands when operating a chain saw, one of which oper-

ates the trigger.

Otherwise, this can result in the chain saw "skating" or skidding, which can result in person-

al injury due to loss of control.

Be alert for the phenomena "skating" and "bouncing", greater risk from kickback.

Be cautious not to lose balance of your body due to "drop" at the end of a cut.

 Keep a good firm grip on the saw which both hands, with the right hand on the rear han-

dle 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.

Two hands must be used to control the saw at all times.

 Do not overreach or cut above chest height.

 Make sure that the area in which you are cutting is free from obstructions.

Do not let the bar nose contact a log, branch, or any other obstruction which could be hit

while you are operating the saw.

 Cutting at high engine speeds may reduce the likelihood of kickback.

But cutting at part-throttle or low engine speeds may be preferable to control the chain saw

in tight situations and may also reduce the likelihood of kickback.

 Follow manufacturer's sharpening and maintenance instructions for the saw chain.

 Use only replacement guide bars and chains specified by the manufacturer, or the ac-

ceptable equivalents of these guide bars and chains.

DANGER

Kickback safety precaution for chain saw users: 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.

12

3. Other safety precautions

Vibration and cold

It is believed that a condition called Raynaud's Phenomenon, which affects the fingers of cer-

tain individuals, may be brought about by exposure to cold and vibration.

Accordingly, your shindaiwa chain saw has an anti-vibration device designed to reduce the

intensity of vibration received through the handles.

Exposure to cold and vibration may cause tingling and burning followed by loss of colour and

numbness in the fingers. (White finger syndrome)

We strongly recommend you take the following precautions because the minimum exposure

which might trigger the ailment is unknown.

 Keep your body warm, especially the head and neck, feet and ankles, and hands and

wrists.

 Maintain good blood circulation by performing vigorous arm exercises during frequent

work breaks and also by not smoking.

 Limit the number of hours of chain saw operation.

Try to fill a part of each work day with jobs other than chain sawing.

 If you experience discomfort, redness and swelling of the fingers, followed by whitening

and loss of feeling, consult your physician before further exposing yourself to cold and

vibration.

Repetitive stress injuries

It is believed that over-using the muscles and tendons of the fingers, hands, arms and shoul-

ders may cause soreness, swelling, numbness, weakness and extreme pain to the areas just

mentioned.

To reduce the risk of repetitive stress injury, do the following:

 Avoid using your wrist in a bent, extended or twisted position.

Instead, try to maintain a straight wrist position.

Also, when grasping, use your whole hand, not just the thumb and index finger.

 Take periodic breaks to minimize repetition and rest your hands.

 Reduce the speed and force in which you do the repetitive movement.

 Do exercises to strengthen the hand and arm muscles.

 See a doctor if you feel tingling, numbness or pain in the fingers, hands, wrists or arms.

Relative to EU directive "Vibration"

EU Directive "Vibration" (2002/44/EC) was designed to protect people from safety and health

risks arising from mechanical vibration of a machine by enforcing employers to limit a stand-

ardized 8 hour daily vibration exposure level, A(8).

Any person or organization that employs a person to operate a machine has to take the A(8)

value into account when letting the person use it.

Mechanical vibration values (equivalent vibration value) of this machine, which shall be used

as a guide to simplify the calculation of A(8) value, are as follows:

MODEL Type

Front / Left handle (m/s

2

)2.62.6

Rear / Right handle (m/s

2

)2.82.8

13

Machine conditions

 Do not operate a chain saw that is damaged, improperly adjusted, or not completely and

securely assembled.

Do not operate the chain saw with a loose or defective silencer.

Be sure that the saw chain stops moving when the throttle control trigger is released.

 If your saw is subjected to high loads due to a fall or impact, always perform inspection

and operation check in order to confirm if there is anything wrong before continuing work.

Cutting

 Do not operate a chain saw in a tree unless you have been specifically trained to do so.

 Keep all parts of your body away from the saw chain when the engine is running.

 Use extreme caution when cutting small-size brush and saplings because slender ma-

terial may catch the saw chain and be whipped toward you or pull you off balance.

 Stay on the uphill side when bucking or limbing logs which might roll when cut.

 When cutting a limb that is under tension, be alert for spring-back so that you will not be

struck by the limb or chain saw when the tension in the wood fibres is released.

 Cutting while on a ladder is extremely dangerous because the ladder can slip and your

control of the chain saw is limited.

Working aloft should be left to professionals.

 Keep both feet on the ground.

Do not work from off-the-ground positions.

 Stop the engine before setting the chain saw down.

Wood practices

 Operating a chain saw safely requires a chain saw in proper working order, sound judge-

ment, and knowledge of the methods which should be applied in each cutting situation.

 Do not let any person use your saw unless he has read this operator's manual and fully

understands its instructions.

 Use your saw only to cut wood or wood products.

Do not cut solid metal, sheet metal, plastics or any non-wood materials.

Services

 All chain saw service operations, other than items listed in the operator's manual main-

tenance instructions, should be performed by competent service personnel.

(For example, 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 could cause the flywheel

to burst.)

WARNING

Do not modify a chain saw in any way.

Only attachments and parts supplied by shindaiwa or expressly approved by shindai-

wa for use with the specific shindaiwa chain saw models are authorized.

Although certain unauthorized attachments are useable with the shindaiwa power-

head, their use may, in fact, be extremely dangerous.

CAUTION

Do not touch hot surfaces of cylinder cover and silencer after you used the chain saw.

14

Description

1. Front hand guard - Guard between the front handle and

the saw chain for protecting the hand from injuries and

aiding in control of the chain saw if the hand slips off the

handle.

This guard is used to activate the chain brake which is to

stop the saw chain rotation.

2. Rear handle (for the right hand) - Support handle

located on the top of the engine housing.

3. Choke control knob - Device for enriching the fuel / air

mixture in the carburettor to aid cold starting.

4. Safety decal - Part number X505-007710

5. Silencer cover - Cover the silencer not to make operator

touch to hot surface of silencer.

6. Clutch cover - Protective cover to the guide bar, saw

chain, clutch and sprocket when the chain saw is in use.

7. Chain tension adjuster - Device to adjust chain tension.

8. Chain catcher - A projection designed to reduce the risk

of the operator's right hand from being hit by a chain

which has broken or derailed from the guide bar during

cutting.

9. Guide bar - The part that supports and guides the saw

chain.

10. Chain - Chain, serving as a cutting tool.

11. Front handle (for the left hand) - Support handle

located at the left side of the engine housing.

12. Fuel tank cap - For closing the fuel tank.

13. Oil tank cap - For closing the oil tank.

14. Starter handle - The grip of the starter, for starting the

engine.

15. Air cleaner cover - Covers air filter.

16. Cleaner cover knob - Device for installing the air

cleaner cover.

Turn cleaner cover knob clockwise to tighten.

Tighten it firmly with hand.

17. Purge bulb (primer pump) - When starting engine, push

primer pump 3 or 4 times.

18. Safety decal - Part number X505-002441

19. Throttle trigger - Device activated by the operator's

finger, for controlling the engine speed.

20. Throttle trigger lockout - A safety lever which must be

depressed before the throttle trigger can be activated in

order to prevent the accidental operation of the throttle

trigger.

21. Ignition switch - Device for connecting and

disconnecting the ignition system and thus allowing the

engine to be started or stopped.

22. Type and serial number

23. Lifting hook - If working off the ground the operator must

be trained in safe climbing techniques and use of all

recommended safety equipment.

24. Operator's manual - Included with unit.

Read before operation and keep for future reference to

learn proper, safe operating techniques.

25. Tools - 13 x 19 mm T-wrench (combination screwdriver

/ spark plug socket).

26. Guide bar cover - Device for covering the guide bar and

saw chain during transport and other times when the

chain saw is not in use.

15

Assembly

Mounting guide bar and chain

1. Release chain brake

2. A nut

3. Clutch cover

Install guide bar and chain as follows.

 Unscrew a nut and remove clutch cover.

 Mount the bar and slide toward clutch to make saw chain installation easier.

4. Guide bar

5. Clutch

6. Bar hole

7. Spiked bumper; option (Part number C304-000070)

8. Tension adjuster

9. Direction to tension the chain

 Install saw chain as shown.

(Ensure cutters are pointing in the right direction)

 Release the chain brake, and install the clutch cover (and spiked bumper; option) over

the guide bar stud.

Tighten the nut finger tight.

Ensure that chain tension adjuster fits into bar hole.

 Hold the bar nose up and turn the adjuster clockwise until the chain fits snugly against

the underside of the bar.

A: Proper tension

B: Improper tension

 Tighten a nut with the bar nose held up.

 Pull the chain around the bar by hand.

Loosen the adjustment if you feel tight spots.

WARNING

For your own safety, always stop the engine before performing any of the following

operations.

CAUTION

1. All adjustments should be made cold.

2. Always wear gloves when working on chain.

3. Do not operate with a loose chain.

NOTE

Move the chain brake lever (Front hand guard) fully rearward to remove or install the clutch

cover to the chain saw.

16

Operation

Fuel and lubricant

 Fuel is a mixture of regular grade petrol and an air-cooled 2-stroke engine oil of reputable

brand name.

Minimum 89 Octane unleaded petrol is recommended.

Do not use fuel containing methyl alcohol or more than 10 % of ethyl alcohol.

 Recommended mixture ratio; 50 : 1 (2%) for ISO-L-EGD Standard (ISO/CD13738),

JASO FC, FD grade and shindaiwa 50 : 1 oil.

- Do not mix directly in engine fuel tank.

- Avoid spilling petrol or oil.

Spilled fuel should always be wiped up.

- Handle petrol with care, it is highly inflammable.

- Always store fuel in approved container.

Chain lubricant

 Proper lubrication of the chain while in operation minimizes friction between the chain,

the guide bar and sprocket and also clutch components such as needle bearing and

clutch assembly.

Use shindaiwa genuine chain oil or shindaiwa recommended chain oil specially

formulated for bars and chains for proper lubrication.

These oils contain tackifiers, anti-aging and anti-oxidizing agents.

Consult your shindaiwa dealer for the proper chain oil.

 Never use waste or reclaimed oil to avoid various malfunctions on oil system, clutch

system, chain and guide bar.

Lubrication problems caused by the use of improper oil will void the warranty.

 Especially, vegetable based chain oil quickly turns to resin and adheres to oil pump,

chain, guide bar, clutch needle bearing and clutch assembly.

It causes malfunctions and shorten product life.

Flush chain oil system with mineral or chemical based chain oil after use, if it is required to

use vegetable oil due to local / municipal rule or any other reason.

 For a short time emergency operation, fresh SAE 10W-30 motor oil can be used.

Cap indication

Fuel and oil tanks are indicated by the following illustrations.

Fuel tank cap

(Red)

Chain oil tank cap

(Black)

CAUTION

Whenever opening up the fuel tank, always loosen the cap very slowly and wait for

the tank pressure to be equalized before removing the cap.

17

Starting the cold engine

A: Starter handle

1. Chain brake ACTIVATED position

2. Ignition switch (Run)

3. Choke control knob (Close)

4. Purge bulb (Primer pump)

5. Choke control knob (Open)

 Fill the fuel tank with fuel mixture.

It is not permitted to fill fuel above the shoulder level of fuel tank.

 Fill the chain oil tank with lubricant.

 Press hand guard forward.

(Chain brake ACTIVATED position)

 Place ignition switch in run position.

 Turn choke control knob anticlockwise (close).

 Push primer pump until fuel is visible in primer pump.

 Securely hold the chain saw.

When starting the chain saw place the unit on a flat ground and hold the front handle with

left hand and hold firmly the rear end of rear handle with right knee and pull starter handle

with right hand.

 Make sure guide bar and saw chain are not touching anything when starting the saw.

 Pull starter handle several times until first firing sound is heard.

 Turn choke control knob clockwise (open).

 Pull starter handle again.

WARNING

 After choke control knob is turned and then knob is returned to original position,

throttle remains a little open (latch condition).

 If engine is started in this latch condition, chain starts to turn.

Do not start engine before chain brake is activated.

CAUTION

1. After starting the engine, immediately squeeze and release throttle trigger for

disengaging throttle latch and returning engine to idle, and pull front hand guard

towards the operator immediately. (Chain brake RELEASED position)

2. Do not increase engine speed while chain brake is engaged.

3. Use the chain brake only in starting the engine or in emergencies.

4. Never use throttle latch for cutting.

Use it only when starting the engine.

NOTE

Do not pull starter rope out to the maximum position.

Do not allow starter handle to snap back against the casing.

18

Starting the warm engine

1. Chain brake ACTIVATED position

 Confirm there is fuel and chain oil in the tanks.

 Press hand guard forward.

(Chain brake ACTIVATED position)

 Place ignition switch in run position.

 Securely hold the chain saw.

 Pull starter handle.

 Choke may be used if necessary, but after first firing sound pull throttle trigger a little to

release throttle latch and choke.

After choke control knob is turned and then knob is returned to original position, throttle re-

mains a little open (latch condition).

Running

1. Chain brake RELEASED position

2. Throttle trigger lockout

3. Throttle trigger

 After engine starts, allow it to idle for a few minutes.

 Pull front hand guard towards the operator immediately.

(Chain brake RELEASED position)

 Squeeze throttle trigger gradually to increase engine revolution.

 The chain starts moving when the engine reaches 4400 r/min approximately.

 Ensure proper acceleration and lubrication of saw chain and guide bar.

 Do not run the engine at high speed unnecessarily.

 Be sure that saw chain stops moving when throttle trigger is released.

19

Stopping the engine

1. Throttle trigger

2. Ignition switch

 Release throttle trigger and allow engine to idle.

 Place ignition switch in STOP position.

Checking chain tension

 Chain tension should be checked frequently during work and corrected if necessary.

 Tension the chain as tight as possible, but so it can still be pulled easily along the bar by

hand.

Chain lubrication test

 Hold the chain just above a dry surface and open the throttle to half speed for 30 sec-

onds.

A thin line of "thrown" oil should be seen on the dry surface.

Pre cutting test

 Familiarize yourself with your chain saw before you start actual cutting.

 For this purpose it may be wise to practice by cutting some small logs or limbs several

times.

 Do not allow either people or animals into the work area.

Multiple operators - Keep a safe distance between two or more operators when working to-

gether simultaneously.

NOTE

If engine does not stop, turn choke control knob anticlockwise to stop engine.

Return the unit to your authorized shindaiwa dealer to check and repair ignition switch

before starting the engine again.

WARNING

Make sure that the engine is shut off when checking chain tension.

NOTE

Always loosen clutch cover nut before turning the chain tension adjuster, otherwise the

clutch cover and tensioner will be damaged.

20

Correct use of chain brake

Chain brake

The chain brake's function is to stop chain rotation after a kickback.

It neither prevents nor reduces kickback.

Do not depend on the chain brake for protection against kickback.

Even with a chain brake, depend on your own good sense and proper cutting methods just as

though there were no chain brake.

Even with normal use and proper maintenance, the response time of the brake may lengthen.

The following may interfere with the brake's ability to protect the operator:

 Saw wrongly held too close to operator's body.

Kickback time may be too fast even for a perfectly maintained brake to work in time.

 The operator's hand may not be in position to contact the hand guard.

Brake will not be tripped.

 Lack of proper maintenance lengthens the brake's stopping time, making it less effective.

 Dirt, grease, oil, pitch, etc. getting into the working parts of the mechanism may lengthen

the stopping time.

 Wear and fatigue of the activating brake spring, and wear of the brake / clutch drum and

pivot points may lengthen the brake's stopping time.

 A damaged hand guard and lever may render the brake inoperative.

DANGER

Kickback motion is very hazardous.

If the tip of the bar touches wood or the like, the guide bar kicks back in an instant.

The chain brake reduces the possibility of injury due to kickback.

Always check that chain brake works properly before use.

NOTE

 For practice, while cutting a small tree, push the front guard forward to engage the

brake.

 At all times, confirm whether the brake works properly before each task.

 If the chain brake is clogged with wood chips, function of the brake deteriorates a little.

Always keep the device clean.

 Do not increase engine revolutions while the chain brake is engaged.

 Chain brake is used in emergencies.

Do not use it unless absolutely necessary.

 When using throttle latch at starting, keep the chain brake in position.

And after starting the engine, release the brake immediately.

 Never test the brake in an area where petrol fumes are present.

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