RedMax PSZ2500 Owner's/Operator's Manual

Marque: RedMax

Modèle: PSZ2500

Catégorie: Tronçonneuses électriques

Taper: Owner's/Operator's Manual

OWNER/OPERATOR MANUAL

POLE SAW

848-A52-93A1 (501)

PSZ2500

The engine exhaust from this product

contains chemicals known to the State

of California to cause cancer, birth

defects or other reproductive harm.

WARNING

Before using our machine, please

read this manual carefully to

understand the proper use of your

unit.

WARNING

DRIVE UNIT 000000 and up CUTTING UNIT 000000 and up ENGINE UNIT 50100000 and up

APPLICABLE SERIAL NUMBERS :

SAFETY FIRST

Instructions contained in warnings within this

manual marked with a symbol concern

critical points which must be taken into

consideration to prevent possible serious

bodily injury, and for this reason you are

requested to read all such instructions

carefully and follow them without fail.

■ WARNINGS IN THE MANUAL

This mark indicates instructions which must be

followed in order to prevent accidents which could

lead to serious bodily injury or death.

This mark indicates instructions which must be

followed, or it leads to mechanical failure,

breakdown, or damage.

This mark indicates hints or directions useful in the

use of the product.

NOTE

IMPORTANT

WARNING

CONTENTS

1. Parts location …………………………………3

2. Specifications …………………………………3

3. Warning labels on the machine ……………4

4. Symbols on the machine ……………………5

5. For safe operation ……………………………6

6. Set up …………………………………………14

7. Fuel and chain oil ……………………………17

8. Operation ……………………………………19

9. Maintenance …………………………………22

10. Storage ………………………………………28

11. Troubleshooting guide ………………………28

12. Parts list ………………………………………29

2. Specifications

■ PSZ2500

Overall size(LxWxH)························································ 83.9(2130)x9.8(250)x12.2(310) in(mm)

Dry weight w/o bar and chain············································································ 11.1(5.05) lbs(kg)

Engine Type ········································································· Air-cooled 2-stroke gasoline

Model ··························································································· Zenoah GZ25N

Displacement ··········································································· 1.6cu-in (25.4cm

)

Max. output ······················································· 1.2Hp (0.9kW)at 7500/min

-1

(rpm)

Idle speed ············································································ 3000±200/min

-1

(rpm)

Fuel ··········································································· Mixture(Gasoline 50 : Oil 1)

Carburetor ······································································· Walbro Diaphragm type

Spark plug ······················································································· NGK CMR7A

Durability period ························································································ 300 hrs

Fuel tank capacity······························································································ 22.0 fl.oz (0.65)

Transmission··········································································· Centrifugal clutch, Rigid driveshaft

Reduction ratio ······················································································································· 0.94

Cutting head Guide bar : Type······································· OREGON DOUBLE GUARD 109666

: Size ·········································································· 12(300) in(mm)

Saw chain : Type ································································· OREGON 90SG44X

: pitch x guage ······································ 3/8x0.042(9.53x1.07) in(mm)

Sprocket············································································································ 7T

Oil pump ··························································································· Plunger type

Standard Accessories

Shoulder strap······························································································· 1 pc.

Goggle··········································································································· 1 pc.

Tool kit··········································································································· 1 pc.

Specifications are subject to change without notice.

1. Parts location

1. Grip

2. Shoulder strap hanger

3. Ignition switch

4. Throttle cable

5. Throttle lever

6. Throttle set button

7. Drive shaft housing

8. Gear case

9. Chain cover

 3 

10. Saw chain

11. Guide bar

12. Spark arrester

13. Starter knob

14. Fuel tank

15. Primer pump

16. Choke lever

17. Air cleaner cover

 4 

(1) Read owner's manual before operating

this machine.

(2) Wear head, eye and ear protection.

(3) Handling this machine improperly could

result in accidents causing serious

injury or death. Read this manual

carefully and practice using the machine

until you are fully acquainted with all

operations and have learned to use it

correctly.

(4) Keep all children, bystanders and

helpers 15 meters away from the

machine.

If warning label peel off or become soiled and

impossible to read, you should contact the

dealer from which you purchased the product

to order new labels and affix them in the

required location(s).

Never modify your machine.

We won't warrant the machine, if you use

the remodeled machine or you don't

observe the proper usage written in the

manual.

WARNING

IMPORTANT

(1) Lire le mode d’emploi avant d’utiliser

cette machine.

(2) Porter un casque de sécurité, des

lunettes de sécurité et un casque

antibruit.

(3) Lorsque cet l'appareil est utilisé

incorrectement, des accidents peuvent

entraîner des blessures graves ou

mortelles. Lire attentivement ce mode

d'emploi et s'entraîner avec le machine

pour se familiariser avec toutes les

fonctions afin de l'utiliser correctement.

(4) Interdire aux enfants ou à toute

personne de s’approcher dans un rayon

de 15 mètres de la débroussailleuse.

Si les étiquettes d’avertissement se décollent,

deviennent sales ou impossible à lire,

commander de nouvelles étiquettes auprès du

revendeur pour les remplacer.

Ne pas modifier la machine.

La garantie sera annulée si la machine a été

modifiée ou utilisée de manière non

conforme aux instructions de ce mode

d’emploi.

AVERTISSEMENT

IMPORTANT

3. Warning labels on the machine

For safe operation and maintenance, symbols are

carved in relief on the machine. According to these

indications, please be careful not to take a mistake.

(a) The port to refuel the "MIX GASOLINE"

Position: FUEL TANK CAP

(b) The direction to close the choke

Position: AIR CLEANER COVER

(d) If you turn the rod by screwdriver follow the

arrow to the “MAX” position, the chain oil flow

more, and if you turn to the “MIN” position, less.

Position: Bottom of the GEAR CASE

4. Symbols on the machine

IMPORTANT ENGINE INFORMATION

ENGINE FAMILY : 5KZXS.0254QR ; EM

ENGINE DISPLACEMENT : 25cc

REFER TO OWNER’S MANUAL FOR MAINTE-

NANCE SPECIFICATIONS AND ADJUSTMENTS.

MANUFACTURED :

THIS ENGINE CONFORMS TO

2005 U.S. EPA REGULATIONS

FOR SMALL NONROAD ENGINES.

COMPLIANCE PERIOD : CATEGORY A

CE MOTEUR EST CONFORME A LA

REGLEMENTATION U.S. EPA 2005 POUR

LES PETITS MOTEURS HORS-ROUTE.

DUREE DE CONFORMITE : CATEGORIE A

TYPE DE MOTEUR : 5KZXS.0254QR ; EM

CYLINDREE DU MOTEUR : 25 cc

SE REFERER AU MANUEL DE L’UTILISATEUR POUR LES

SPECIFICATIONS D’ENTRETIEN ET LES REGLAGES.

FABRIQUE PAR :

INFORMATION IMPORTANTE CONCERNANT LE MOTEUR

 5 

 6 

5. For safe operation

1. Read this manual carefully until you

completely understand and follow all safety

and operating instructions.

2. Keep this manual handy so that you may refer

to it later whenever any questions arise. Also

note, if you have any questions which cannot

be answered herein, contact the dealer from

whom you purchased the product.

3. Always be sure to include this manual when

selling, lending, or otherwise transferring the

ownership of this product.

4. Never allow children or anyone unable to fully

understand the directions given in the manual

to use the machine.

■ WORKING CONDITION

1. When using the product, you should wear proper

clothing and protective equipment.

(1) Helmet

(2) Ear protectors

(3) Protection goggles or face protector

(4) Thick work gloves

(5) Non-slip-sole work boots

2. And you should carry with you.

(1) Attached tools and files

(2) Properly reserved fuel

(3) Spare guide bar and saw chain

(4) Things to notify your working area (rope,

warning signs)

(5) Whistle (for collaboration or emergency)

(6) Hatchet or saw (for removal of obstacles)

3. Do not wear loose clothing, jewelry, short

trousers, sandals, or go barefoot. Do not wear

anything which might be caught by a moving

part of the unit. Secure hair so it is above

shoulder length.

■ WORKING CIRCUMSTANCE

1. Never start the engine inside a closed room or

building. Exhaust gases contain dangerous

carbon monoxide.

2. Never use the product,

a. when the ground is slippery or when you can’t

maintain a steady posture.

b. At night, at times of heavy fog, or at any other

times when your field of vision might be

limited and it would be difficult to gain a clear

view of the working area.

c. During rain storms, during lightning storms, at

times of strong or gale-force winds, or at any

other times when weather conditions might

make it unsafe to use the product.

■ WORKING PLAN

1. You should never use the product when under

the influence of alcohol, when suffering from

exhaustion or lack of sleep, when suffering from

drowsiness as a result of having taken cold

medicine or at any other time when a possibility

exists that your judgment might be impaired or

that you might not be able to operate the product

properly and in a safe manner.

2. When planning your work schedule, allow plenty

of time to rest. Limit the amount of time over

which the product is to be used continuously to

somewhere around 30~40 minutes per session,

and take 10~20 minutes of rest between work

sessions. Also try to keep the total amount of

work performed in a single day under 2 hours or

less.

1. If you don’t observe the working time, or

working manner (See ■ USING THE

PRODUCT), Repetitive Stress Injury(RSI)

could occur.

If you feel discomfort, redness and swelling

of your fingers or any other part of your

body, see a doctor before getting worse.

2. To avoid noise complaints, in general,

operate product between 8a.m. and 5p.m. on

weekdays and 9a.m. to 5p.m. weekends.

Check and follow the local regulations as to sound

level and hours of operations for the product.

NOTE

WARNING

5. For safe operation

 7 

 8 

■ BEFORE STARTING THE ENGINE

1. Make sure there is always good ventilation when

operating the pruner. Fumes from engine

exhaust can cause serious injury or death.

Never run the engine indoors!

2. The area within a perimeter of 50 feet (15m) of

the person using the product should be

considered a hazardous area into which no one

should enter. If necessary yellow warning rope,

warning signs should be placed around the

perimeter of the area. When work is to be

performed simultaneously by two or more

persons, care should also be taken to constantly

look around or otherwise check for the presence

and locations of other people working so as to

maintain a distance between each person

sufficient to ensure safety.

3. Check the condition of working area to avoid any

accident by hitting hidden obstacles such as

stumps, stones, cans, or broken grass.

Remove any obstacle before beginning work.

4. Inspect the entire unit for loose fasteners and

fuel leakage. Make sure that the cutting

attachment is properly installed and securely

fastened.

5. Always use the shoulder strap. Adjust the strap

for comfort before starting the engine. The strap

should be adjusted to fit your body according as

your working posture.

■ STARTING THE ENGINE

1. Keep bystanders and animals at least 50feet

(15m) away from the operating point. If you are

approached, immediately stop the engine.

2. The product is equipped with a centrifugal clutch

mechanism, so the cutting attachment begins to

rotate as soon as the engine is started by putting

the throttle into the start position. When starting

the engine, place the product onto the ground in

a flat clear area and hold it firmly in place so as

to ensure that neither the cutting part nor the

throttle come into contact with any obstacle

when the engine starts.

IMPORTANT

5. For safe operation

Never place the throttle into the high speed

position when starting the engine.

3. After starting the engine, check to make sure

that the cutting attachment stops rotating when

the throttle is moved fully back to its original

position. If it continues to rotate even after the

throttle has been moved fully back, turn off the

engine and take the unit to your authorized Red

Max servicing dealer for repair.

■ USING THE PRODUCT

Cut only materials recommended by the

manufacturer. And use only for tasks explained

in the manual.

1. Grip the handles firmly with both hands using

your whole hand. Place your feet slightly apart

(slightly further apart than the width of your

shoulders) so that your weight is distributed

evenly across both legs, and always be sure to

maintain a steady, even posture while working.

2. Maintain the speed of the engine at the level

required to perform cutting work, and never raise

the speed of the engine above the level

necessary.

3. Never operate the pruner at an angle greater

than 60° in order to reduce the risk of being

struck by falling objects during operation.

4. If the unit start to shake or vibrate, turn off the

engine and check the whole unit. Do not use it

until the trouble has been properly corrected.

5. Keep all parts of your body away from rotating

cutting attachment and hot surfaces.

6. Never touch the muffler, spark plug, or other

metallic parts of the engine while the engine is in

operation or immediately after shutting down the

engine. Doing so could result in serious burns or

electrical shock.

IMPORTANT

WARNING

5. For safe operation

 9 

 10 

• IF SOMEONE COMES

1. Guard against hazardous situations at all times.

Warn adults to keep pets and children away

from the area. Be careful if you are approached.

Injury may result from flying debris.

2. If someone calls out or otherwise interrupts you

while working, always be sure to turn off the

engine before turning around.

■ MAINTENANCE

1. In order to maintain your product in proper

working order, perform the maintenance and

checking operations described in the manual at

regular intervals.

2. Always be sure to turn off the engine before

performing any maintenance or checking

procedures.

The metallic parts reach high temperatures

immediately after stopping the engine.

3. When replacing any part, or when replacing the

oil or any lubricant, always be sure to use only

RedMax products or products which have

been certified by RedMax for use with the

RedMax product.

4. In the event that any part must be replaced or

any maintenance or repair work not described in

this manual must be performed, please contact a

representative from the store nearest RedMax

authorized servicing dealer for assistance.

5. Do not use any accessory or attachment other

than those bearing the RedMax mark and

recommended for the unit.

6. Under no circumstances should you ever take

apart the product or alter it in any way. Doing so

might result in the product becoming damaged

during operation or the product becoming unable

to operate properly.

WARNING

5. For safe operation

■ HANDLING FUEL

1. The engine of the RedMax product is designed

to run on a mixed fuel which contains highly

flammable gasoline. Never store cans of fuel or

refill the tank of the unit in any place where there

is a boiler, stove, wood fire, electrical sparks,

welding sparks, or any other source of heat or

fire which might ignite the fuel.

2. Never smoke while operating the unit or refilling

its fuel tank.

3. When refilling the tank, always turn off the

engine and allow it to cool down. Take a careful

look around to make sure that there are no

sparks or open flames anywhere nearby before

refueling.

4. Wipe spilled fuel completely using a dry rag if

any fuel spillage occurs during refueling.

5. After refueling, screw the fuel cap back tightly

onto the fuel tank and then carry the unit to a

spot 10 feet (3 m) or more away from where it

was refueled before turning on the engine.

■ TRANSPORTATION

1. Never transport the pruner nor set it down with

the engine running. An engine that's running

could be accidently accelerated causing the

chain to rotate.

2. Make sure the scabbard is in place when

transporting the pruner.

3. When carrying by hand, the chain should be

pointing backward.

4. Never transport the product over rough roads

over long distances by vehicle without removing

all fuel from the fuel tank. If doing so, fuel might

leak from the tank during transport.

 11 

 12 

■ KICKBACK AND PINCHING SAFETY

PRECAUTIONS

Beware of kickback!

Kickback can occur whenever the tip of the guide

bar touches an object while the saw is operating.

Kickback may force the bar up and back toward the

operator with lightning-like speed!

Beware of pinching.

Pinching the saw along the tip of the guide bar may

force the bar back rapidly toward the operator.

Pinching can occur whenever wood closes in

around the moving chain.

Both kickback and pinching may cause you to lose

control of the pole pruner which could result in

serious personal injury. Do not rely exclusively

on the safety device built into the pruner! You

must take several steps to keep your jobs free from

accident or injury:

1. Understand kickback and pinching! You can

reduce or eliminate the element of surprise.

Sudden surprises contributes to accidents.

2. Keep a firm grip on the pole pruner with both

hands whenever the engine is running. A firm

grip will help you reduce the affects of kickback

and pinching as well as maintain control of the

machine.

3. Make sure the area in which you are cutting is

free from obstructions. Do not let the nose of the

guide bar contact a log, branch, or any other

obstructions which could be hit while you

operation the pole pruner.

4. Cut at high engine speeds.

5. Follow the manufacturer's instructions for

sharpening and maintaining the chain.

6. Use only the replacement bar and chain or

equivalent as specified by the manufacturer.

WARNING

5. For safe operation

• Make sure the chain and sprocket are correctly

adjusted before operating the pruner (see page

15,16 for adjustment procedures). Never attempt

chain adjustment with the engine running!

• Always make sure the cutting attachment is

properly installed and firmly tightened before

operation.

• Never use a cracked or warped guide bar:

replace it with a serviceable one and make sure

it fits properly.

• If a saw blade should bind fast in a cut, shut off

the engine immediately. Push the branch or tree

to ease the bind and free the blade.

• Do not operate the pole pruner with the muffler

removed.

• When cutting a limb that is under tension, be

alert for springback so that you will not be struck

by the moving limb.

• Always stop the engine immediately and check

for damage if you strike a foreign object or if the

machine becomes tangled. Do not operate with

broken or damaged equipment.

• Do not make unauthorized modifications or

substitutions to the guide bar or chain.

• Never allow the engine to run at high RPM

without a load. Doing so could damage the

engine.

• Keep the pruner as clean as possible. Keep it

free of loose vegetation, mud, etc.

IMPORTANT

WARNING

5. For safe operation

 13 

 14 

■ MOUNTING ENGINE (SE1)

1. Push the driveshaft housing toward the clutch

housing and rotate it by hand to check that the

driveshaft is engaged with the gears.

2. Insert the driveshaft housing into the clutch

housing until it bottoms, and align the positioning

holes on the clutch housing and the shaft tube

and install the screw. When difficult to engage,

twist the engine slightly.

3. Fasten the clamp securely with two screws.

Tighten the screws gradually by turns.

■ CONNECTING THROTTLE WIRE

1. Remove the air cleaner cover.

2. Connect the end of the throttle wire to the joint

on the top of the carburetor. (SE2)

■ CONNECTING SWITCH WIRES

• Connect the switch wires between the engine

and the main unit. Pair the wires of the same

color.

■

ATTACHING THE PRUNING MECHANISM (SE3)

1. Remove the cap on the end of the main pipe.

2. Remove the screw screwed into the end of the

gear case.

3. Insert the end of the gear case into the main

pipe.

4. Line up the hole on the end of the gear case into

which the screw is to be inserted with the hole

on the main pipe, and screw the screw firmly in.

5. Using a wrench, screw in the bolt provided to fix

the mechanism into place.

(1) Main pipe

(2) Gear case

(3) Screw hole

(4) Fastening bolt

(5) Bolt

IMPORTANT

6. Set up

SE1

SE2

(1)

(2)

(3)

(4)

(5)

SE3

6. Set up

A standard package contains the items as shown

below. (SE4)

(1) Guide bar

(2) Saw chain

(3) Gase case

(4) Sprocket

(5) Chain tension adjust screw

(6) Nut

(7) Chain tensioner nut

(8) Chain cover

Install the guide bar and the saw chain on the gear

case as follows.

The saw chain has very sharp edges. Use

protective gloves for safety.

1. Loosen a nut and remove the chain cover.

2. Mount the guide bar then fit the saw chain

around the bar and sprocket.(SE5)

Pay attention to the correct direction of the saw

chain

3. Fit the chain tensioner nut into the lower hole of

the guide bar, then install the chain cover, and

fasten the mounting nut to finger tightness.

(SE5)(SE6)

(1) Hole

(2) Moving direction

(3) Chain tensioner nut

4. Adjust the chain tension by turning the tensioner

screw until the tie straps just touch the bottom

side of the bar rail. (SE7)

(1) Chain tension adjusting screw

(a) Loosen

(b) Tighten

WARNING

SE4

SE5

SE6

SE7

 15 

 16 

6. Set up

5. Tighten the mounting nut securely with the

bar tip held up (SE8)(TORQUE: 8.9~11.7

N.m./90~120 kg-cm). Then check the

chain for smooth rotation and correct

tension while moving it by hand. If

necessary, readjustment.

(1) Tighten

It is very important to maintain the proper

chain tension. Rapid wear of the guide

bar or the chain coming off easily can be

caused by improper tension. Especially

when using a new chain, take good care

of it since it should expand when first

used.

■ BALANCE UNIT

1. Put on strap and attach unit to strap.

2. Depending on the working posture, slide

clamp up or down until unit balances and

the strap fits your body.

WARNING

SE8

7. Fuel and chain oil

■ RECOMMENDED MIXING RATIO

GASOLINE 50:OIL 1

• 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.

• These engines are certified to operate on

unleaded gasoline.

• Make sure to use gasoline with a

minimum octane number of 89 RON

(USA/Canada: 87AL)

• If you use a gasoline of a lower octane

value than prescribed, there is a danger

that the engine temperature may rise and

an engine problem such as piston seizing

may consequently occur.

• Unleaded gasoline is recommended to

reduce the contamination of the air for the

sake of your health and the environment.

• Poor quality gasolines or oils may damage

sealing rings, fuel lines or fuel tank of the

engine.

■ HOW TO MIX FUEL

Pay attention to agitation.

1. Measure out the quantities of gasoline

and oil to be mixed.

2. Put some of the gasoline into a clean,

approved fuel container.

3. Pour in all of the oil and agitate well.

4. Pour In the rest of gasoline and agitate

IMPORTANT

• Gasoline is very flammable. Avoid

smoking or bringing any flame or

sparks near fuel. Make sure to stop the

engine and allow it cool before

refueling the unit. Select outdoor bare

ground for fueling and move at least

3m (10ft) away from the fueling point

before starting the engine.

• The RedMax engines are lubricated by oil

specially formulated for air-cooled 2-cycle

gasoline engine use. If RedMax oil is not

available, use an anti-oxidant added

quality oil expressly labeled for air-cooled

2-cycle engine use. (JASO FC GRADE

OIL or ISO EGC GRADE)

• Do not use BIA or TCW (2-stroke water-

cooling type) mixed oil.

WARNING

50:1 MIXING CHART

GASOLINE gal. 1 2 3 4 5

2-CYCLE OIL fl.oz 2.6 5.2 7.8 10.4 13

GASOLINE liter 1 2 3 4 5

2-CYCLE OIL ml 20 40 60 80 100

 17 

 18 

7. Fuel and chain oil

again for at least one minute. As some

oils may be difficult to agitate depending

on oil ingredients, sufficient agitation is

necessary for the engine to last long. Be

careful that, if the agitation is insufficient,

there is an increased danger of early

piston seizing due to abnormally lean

mixture.

5. Put a clear indication on the outside of the

container to avoid mixing up with gasoline

or other containers.

6. Indicate the contents on outside of

container for easy identification.

■ FUELING THE UNIT

1. Untwist and remove the fuel cap. Rest the

cap on a dustless place.

2. Put fuel into the fuel tank to 80% of the full

capacity.

3. Fasten the fuel cap securely and wipe up

any fuel spillage around the unit.

1. Select bare ground for fueling.

2. Move at least 10feet (3meters) away

from the fueling point before starting

the engine.

3. Stop the engine before refueling the

unit. At that time, be sure to sufficiently

agitate the mixed gasoline in the

container.

FOR YOUR ENGINE LIFE, AVOID;

1. FUEL WITH NO OIL(RAW GASOLINE) –

It will cause severe damage to the internal

engine parts very quickly.

2. GASOHOL – It can cause deterioration of

rubber and/or plastic parts and disruption

of engine lubrication.

3. OIL FOR 4-CYCLE ENGINE USE – It can

cause spark plug fouling, exhaust port

blocking, or piston ring sticking.

4. Mixed fuels which have been left

unused for a period of one month or

more may clog the carburetor and result

in the engine failing to operate properly.

WARNING

5. In the case of storing the product for a

long period of time, clean the fuel tank

after rendering it empty. Next, activate the

engine and empty the carburetor of the

composite fuel.

6. In the case of scrapping the used mixed

oil container, scrap it only at an authorized

repository site.

As lot details of quality assurance, read the

description in the section Limited Warranty

carefully. Moreover, normal wear and

change in product with no functional

influence are not covered by the warranty.

Also, be careful that, if the usage in the

instruction manual is not observed as to the

mixed gasoline, etc. described therein, it

may not be covered by the warranty.

■ CHAIN OIL

Use motor oil SAE 10W-30 all year round, or

SAE 30-40 in summer and SAE 20 in winter.

Do not use waste or regenerated oil that can

cause damage to the oil pump.

NOTE

■ STARTING ENGINE

The cutting head will start rotating upon the

engine starts.

1. Feed fuel and chain oil into their respective

tanks and tighten the caps securely. (OP1)

2. Rest the unit on a flat, firm place. Keep the

cutting head off the ground and clear of

surrounding objects as it will start rotating upon

starting of the engine.

3. Push the primer pump several times until

overflown fuel flows out in the clear tube. (OP2)

4. Move the choke lever to the closed position.

(OP3)

5. Set the ignition switch to the “start” position.

While pulling the throttle lever, push the set

button, and release the throttle, then the throttle

lever is in to the “start” position. (OP4)

6. While holding the unit firmly, pull out the starter

rope quickly until engine fires. (OP5)

(1) fuel (2) chain oil (3) choke lever (4) close

(5) open (6) ignition switch (7) start (8) stop

(9) throttle set button

• Avoid pulling the rope to its end or returning it by

releasing the knob. Such actions can cause

starter failures.

7. Move the choke lever downward to open the

choke. And restart engine. (OP3)

8. Allow the engine to warm up for a several

minutes before starting operation.

1. When restarting the engine immediately after

stopping it, leave the choke open.

2. Overchoking can make the engine hard to start

due to excess fuel. When the engine failed to

start after several attempts, open the choke and

repeat pulling the rope, or remove the spark plug

and dry it.

NOTE

IMPORTANT

WARNING

8. Operation

OP2

OP1

(3)

(4)

(5)

OP3

(6)

(9)

(7)

(8)

OP4

OP5

 19 

 20 

8. Operation

■ STOPPING ENGINE (OP4)

1. Release the throttle lever and run the engine for

a half minute.

2. Shift the ignition switch to the STOP position.

• Except for an emergency, avoid stopping the

engine while pulling the throttle lever.

■ CHECKING OIL SUPPLY

After starting the engine, run the chain at medium

speed and see if chain oil is scattered off as shown

in the figure. (OP6)

(1) Chain oil

The oil reservoir has a capacity sufficient to provide

about 40 minutes of cutting time (when set to

deliver the minimum flow rate, or about as long as

you'll get from a tank of fuel). Be sure to refill the oil

tank every time when refueling the saw.

■ ADJUSTING OIL FLOW RATE

Never fill the oil reservoir nor adjust the oiler

with the engine running.

An increase in bar oil flow rate will speed oil

consumption, requiring more frequent checks on

the oil reservoir. To ensure sufficient lubrication, It

may be necessary to check the oil level more

frequently than at fuel tank refills.

The guide bar and chain are lubricated

automatically by a pump that operates whenever

the chain rotates. The pump is set at the factory to

deliver a minimum flow rate, but it can be adjusted

in the field. A temporary increase in oil flow is often

desirable when cutting things like hardwood or

wood with a lot of pitch.

IMPORTANT

WARNING

NOTE

IMPORTANT

OP6

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RedMax PSZ2500 Owner's/Operator's Manual

Marque: RedMax

Modèle: PSZ2500

Catégorie: Tronçonneuses électriques

Taper: Owner's/Operator's Manual

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