Zenoah G2500, G2500 OPS User Manual

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Zenoah G2500, G2500 OPS User Manual

G2500 / G2500 OPS

848C1B93A1 (704)

G

B

OWNER’S MANUAL

CHAIN SAWS

G2500

G2500 OPS

(One-Push-Start)

GB-1

G2500 / G2500 OPS

EXPLANATION OF SYMBOLS AND SAFETY WARNINGS

Read operator's instruction

Wear head, eye and ear

book before operating this

protection.

machine.

 

Use the chain saw

Warning! Danger of

with two hands.

kickback.

Read, understand and

Use appropriate protections

follow all warnings.

for foot-leg and hand-arm.

Never touch hot surface.

This saw is for trained tree

service operators only.

 

G2500

WARNING!!!

RISK OF DAMAGING HEARING

Wear head, eye and ear protection.

G2500 OPS

WARNING!!!

RISK OF DAMAGING HEARING

Wear head, eye and ear protection.

MODEL

SOUND LEVEL

VIBRATION LEVEL

 

 

EN 608-ISO 7182

2000/14/EC

EN608-ISO 7505

 

 

LpA

LwA

Front handle

Rear handle

 

 

guaranteed

 

 

 

 

 

 

G2500

25.4 cm3

97.4 dB(A)

110 dB(A)

4.3 m/s2

7.0 m/s2

G2500 OPS

25.4 cm3

96.5 dB(A)

112 dB(A)

6.2 m/s2

5.1 m/s2

 

APPROVAL NUMBER OF CE EXHAUST EMISSION REGULATION (2002/88/EC) e13*97/68SH2G3*2002/88*0085*03

GB-2

DECLARATION OF CONFORMITY TO MACHINES DIRECTIVE

(Directive 98/37/EC, 89/336/EEC)

and to the regulations governing transposition Internal control production

MANUFACTURER : ZENOAH CO.,LTD

No. 9, 1-Chome

MINAMIDAI, KAWAGOE City

SAITAMA, JAPAN

DECLARES THAT THE DESIGN OF THE MACHINE DESCRIBED BELOW :

Model

: G2500

Serial no.

:

110001 and up

Make

:

ZENOAH

CONFORMS TO THE REQUIRMENTS OF THE MODIFIED MACHINES DIRECTIVE (Directive 98/37/EC) AND TO THE NATIONAL REGULATIONS GOVERNING ITS TRANSPOSITION ABROAD : AND

THAT IT HAS BEEN ISSUED WITH A “CE” CERTIFICATE, NO. M. 0303. 02. 2737

BY THE ISTITUTO CERTIFICAZIONE EUROPEA PALAZZO DEL VESCOVO - V. GARIBALDI, 20 40011 ANZOLA DELL’ EMILIA - ITALY

Signed in Saitama, Japan

1st April 2007

Masahiko GOUDA

General Manager, Quality Assurance Department

G2500 / G2500 OPS

 

G

DECLARATION OF CONFORMITY TO MACHINES DIRECTIVE

B

(Directive 98/37/EC, 89/336/EEC)

and to the regulations governing transposition Internal control production

MANUFACTURER : ZENOAH CO.,LTD

No. 9, 1-Chome

MINAMIDAI, KAWAGOE City

SAITAMA, JAPAN

DECLARES THAT THE DESIGN OF THE MACHINE DESCRIBED BELOW :

Model

: G2500 OPS

Serial no.

:

510001 and up

Make

:

ZENOAH

CONFORMS TO THE REQUIRMENTS OF THE MODIFIED MACHINES DIRECTIVE (Directive 98/37/EC) AND TO THE NATIONAL REGULATIONS GOVERNING ITS TRANSPOSITION ABROAD : AND

THAT IT HAS BEEN ISSUED WITH A “CE” CERTIFICATE, NO. U3 2592658 01 BY TÜV Rheinland Group - TÜV Rheinland InterCert kft. Product Certification - H-1061 Budapest Paulay Ede u. 52 - HUNGARY

Signed in Saitama, Japan

1st April 2007

Masahiko GOUDA

General Manager, Quality Assurance Department

Contents

 

1.

For Safe Operation ...................................................................

4

2.

Explanation of Symbols on the Machine ..................................

8

3.

Installing Guide Bar and Saw Chain .........................................

9

4.

Fuel and Chain Oil ..................................................................

10

5.

Operating the Engine .............................................................

11

6.

Sawing ....................................................................................

13

7.

Maintenance ...........................................................................

15

8.

Maintenance of Saw Chain and Guide Bar ............................

16

9.

Troubleshooting Guide ...........................................................

17

10.

Disposal ..............................................................................................

17

11.

Specifications .........................................................................

18

12.

Limited Warranty .....................................................................

19

GB-3

G2500 / G2500 OPS

1. For safe operation

WARNING

This chainsaw has been especially designed for tree maintenance and should therefore only be used by trained operators when working on trees.

1. Never operate a chain saw when you are fatigued, ill, or upset, or under the influence of medication that may make you drowsy, or if you are under the influence of alcohol or drugs.

2. Use safety footwear, snug fitting clothing and eye, hearing and head protection devices.

Use the vibration-proof glove. 3. Keep the saw chain sharp and

the saw, including the AV system, well maintained. A dull chain will increase cutting time, and pressing a dull chain through wood will increase the vibrations transmitted to your hands. A saw with loose components or with damaged or worn AV buffers will also tend to have higher vibration levels.

4.All the above mentioned precautions do not guarantee that you will not sustain whitefinger dis-

ease or carpal tunnel syndrome. Therefore, continual and regular users should monitor closely the condition of their hands and fingers.

If any of the above symptoms appear, seek medical advice imme-

diately.

5. Always use caution when han-

dling fuel. Wipe up all spills and

then move the chain saw at least 3 m from the fueling point before starting the engine.

6. Eliminate all sources of sparks or flame (i.e. smoking, open flames, or work that can cause sparks)

in the areas where fuel is mixed,

poured, or stored.

7. Do not smoke while handling fuel

or while operating the chain saw.

8. Do not allow other persons to be

near the chain saw when starting or cutting. Keep bystanders and animals out of the work area. Children, pets and bystanders should be a minimum of 10 m

away when you start or operate

the chain saw.

9. Never start cutting until you have

a clear work area, secure foot-

ing, and a planned retreat path

from the falling tree. GB-4

10.Always hold the chain saw firmly with both hands when the engine

is running. Use a firm grip with thumb and fingers encircling the chain saw handles.

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

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

13.This product is provided with a centrifugal clutch. Accordingly, the saw chain starts to rotate the moment the choke knob is set to the “START” position (first step) to start the engine. At the start, put the machine body on the flat ground and pull the starter rope while holding the machine body securely so that the saw chain cannot touch the ground and surrounding obstacles.

14.Don’t pull the starter rope while pulling the throttle lever (“Start while pulling”) in the status where the chain saw is hung with one hand.

Doing this operation is strictly prohibited.

15.If the saw chain continues to rotate, stop the engine, and then readjust the idle adjustment screw after confirming that there is no hitch on the throttle lever motion.

16.Always carry the chain saw with the engine stopped, the guide bar and saw chain to the rear, and the muffler away from your body.

17.Always inspect the chain saw before each use for worn, Ioose, or

damaged parts. Never operate a chain saw that is damaged, improperly adjusted, or is not completely and securely assembled. Be sure that the saw chain stops moving when the throttle control trigger is released.

(3)

(2)

(1)

(1)muffler guard

(2)guide bar

(3)saw chain

18.All chain saw service, other than the items listed in the Owner’s Manual, should be performed by competent chain saw service personnel. (E.g., 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 which could subsequently cause the flywheel to disintegrate.)

19.Always shut off the engine before setting it down.

20.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.

21.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.

22.Never cut in high wind, bad weather, when visibility is poor or in very high or low temperatures. Always check the tree for dead branches which could fall during the felling operation.

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

24.Operate the chain saw only in well ventilated areas. Never start or run the engine inside a closed room or building. Exhaust fumes contain dangerous carbon monoxide.

25.Do not operate the chain saw in a tree unless specially trained to do so.

26.Guard against kickback. Kickback is the upward motion of the guide bar which occurs when the saw chain at the nose of the guide bar contacts an object. Kickback can lead to dangerous loss of control of the chain saw.

27.When transporting your chain saw, make sure the appropriate guide bar scabbard is in place.

28.Never touch the muffler guard, guide bar or saw chain with bare hands while the engine is in operation or immediately after shutting down the engine. Doing so could result in serious burns because of high temperature.

 

G2500 / G2500 OPS

 

 

KICKBACK SAFETY PRECAU-

 

 

TIONS FOR CHAIN SAW US-

 

 

ERS

 

 

WARNING

 

Kickback may occur when the

 

 

nose or tip of the guide bar

G

 

touches an object, or when the

B

 

wood closes in and pinches the

 

 

saw chain in the cut. Tip contact

 

 

in some cases may cause a light-

 

 

ning fast reverse reaction,kicking

 

 

the guide bar up and back to

 

 

wards the operator. Pinching the

 

 

saw chain along the top of the

 

 

guide bar may push the guide

 

 

bar rapidly back towards the op-

 

 

erator. Either of these reactions

 

 

may cause you to Iose control of

 

 

the saw, which could result in se-

 

 

rious personal injury.

 

Do not rely exclusively on the

 

 

safety devices built into your saw.

 

 

As a chain saw user you should

 

 

take several steps to keep cut-

 

 

ting jobs free from accident or

 

 

injury.

 

(1)

With a basic understanding of

 

 

kickback you can reduce or

 

 

eliminate the element of surprise.

 

 

Sudden surprise contributes to

 

 

accidents.

 

(2)

Keep a good 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 kick-

 

 

back and maintain control of the

 

 

saw.

 

(3)

Make certain that 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 obstruction

 

 

which could be hit while you are

 

 

operating the saw.

 

(4)

Cut at high engine speeds.

 

(5)

Do not overreach or cut above

 

 

shoulder height.

 

(6)Follow the manufacturer’s sharpening and maintenance instructions for the saw chain.

(7) Only use replacement bars and

chains specified by the manufacturer or the equivalent.

GB-5

G2500 / G2500 OPS

WORKING WITH TREE SERVICE CHAIN-SAWS FROM A ROPE AND HARNESS

This chapter sets out working practices to reduce the risk of injury from tree service chainsaws when working at height from a rope and harness. While it may form the basis of guidance and training literature, it should not be regarded as a substitute for formal training.

General requirements working at height

Operators of tree service chainsaws working at height from a rope and harness should never work alone. A competent ground worker trained in appropriate emergency procedures should assist them.

Operators of tree service chainsaws for this work should be trained in general safe climbing and work positioning techniques and shall properly equipped with harnesses, ropes, strops, karabiners and other equipment for maintaining secure and safe working positions for both themselves and the saw.

Preparing to use the saw in the tree

The chainsaw should checked, fuelled, started and warmed up by the ground worker before it is sent up to the operator in the tree. The chainsaw should be fitted with a suitable strop for attaching to the operator’s harness:

a)choke the strop around the attachment point on the rear of the saw (A);

b)provide suitable karabiners to allow indirect (i.e. via the strop) and direct attachment (i.e. at the attachment point on the saw) of saw to the operators harness;

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

d)ensure the saw it secured to the harness before it is disconnected from the means of ascent.

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 attaching the saw to centre rear mid-point will keep it clear of climbing lines and support its weight centrally down the operator’s spine.

When moving the saw from any attachment point to another, operators should ensure it is secured in the new position before releasing it from the previous attachment point.

Using the chainsaw 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 witch 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 liable to contact climbing lines and operators body (particularly the left hand and arm)

losing control from insecure work position resulting in contact with the saw (unexpected movement during operation of the saw)

Securing the work position for two-handed use

To allow the operator to hold the saw with both hands, they should as general rule, aim for secure work position where they are operating the saw at:

hip level when cutting horizontal sections;

solar plexus level when cutting vertical sections.

Where the operator is working close into vertical stems with a low lateral forces on their work position, then a good footing may 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 re-direct of the main line via a supplementary anchor point or using an adjustable strop direct from the harness to a supplementary anchor point.

GB-6

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