Installing Guide Bar And Saw Chain - F.F. Group GCS 425T PRO Notice Originale

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IDENTIFICATION

1. Saw chain

2. Guide bar

3. Front hand guard

4. Throttle trigger

5. Throttle trigger lock lever

6. Rear handle

7. Primer bulb

8. Air ﬁ lter cover

9. Lock buckle

10. Starter handle

11. Spark plug

12. Front handle

13. Oil tank

14. Fuel tank

15. Guide bar scabbard

16. Clutch cover

17. Choke knob

18. Engine switch

GENERAL SAFETY RULES

Read this manual carefully before using the chain-

saw and take care of all safety instructions, in order

to prevent any injury and damage. Please forward

these safety instructions to any other person who

uses the chainsaw. Always use your common sense

to avoid all situations considered beyond your capa-

bility. Do not hesitate to contact with us if you have

any questions about the use of chainsaws. We will

provide you with advice as well as help, on how to

use the chainsaw safely.

PERSONAL PROTECTIVE EQUIPMENT

Always use personal protective equipment such as

safety glasses, helmet with visor, protective gloves,

protective clothes from chain cuts, protective boots

and hearing protection.

SAFETY EQUIPMENT ON THE CHAINSAW

Hand guard and chain brake

The chainsaw is equipped with a chain brake (Fig.

16) designed to stop the movement of the chain,

in the event of kickback. The chain brake has been

designed in order to prevent and reduce the risk of

accidents.

Make sure that the kickback zone of the bar never

touches any objects. The chain brake can be activat-

ed either manually by hand (push forward) or auto-

matically by the inertia, when the chainsaw hits an

object downwards. The activation of the chain brake

is achieved with very sudden and violent movement

of the hand guard, due to kickback.

The hand guard is also used to protect the hand hold-

ing the front handle, from the risk of hitting the chain,

if the hand loses the grip from the handle.

The chain brake is also used as a parking brake and

must be engaged before starting the chainsaw. The

chain brake must be deactivated immediately when

the chainsaw starts up.

Chain catcher

The chain catcher is used to catch the chain if it

jumps out of the bar, due to inappropriate tension of

the chain. The chain catcher protects the user from

serious injury. If the chain catcher is hurt, it must be

replaced with new one.

Vibration system

The chainsaw is equipped with anti-vibration ele-

ments, to minimize the vibration and make the oper-

ation easier. The anti-vibration system also protects

the user from excessive vibration, which can result to

circulatory damage or nerve damage. The symptoms

of circulatory damage are loss of ﬁ ngers feeling, pain,

loss of strength and changes on skin color. The vibra-

tion generated by the engine and the cutting equip-

ment is being reduced and prevented to be trans-

ferred on the handles of the chainsaw. The harder the

cutting wood is, the higher vibration level is and the

sharpened the chain is, the lower vibration level is.

CUTTING EQUIPMENT

The chain teeth must always be in a well sharpened

condition. Damaged or not properly sharpened

chain, may increase the risk of accidents. Manage and

maintain the correct depth gauge, since too large

clearance increases the risk of kickback. Manage and

maintain the correct tension of the chain. Slack chain

may lead to chain jump out of the bar and wear on the

bar, chain and drive sprocket. Manage and lubricate

properly the cutting equipment. Poor lubrication on

the chain may lead to the breakage of the chain, wear

on the bar and drive sprocket.

Chain sharpening

If you are not familiar with sharpening your chainsaw

chain, we propose to sharpen it professionally at

your nearest service center.

Always use protective glasses and gloves when

sharpening the chain. Use a round ﬁ le to sharpen the

cutters with outward strokes. After sharpening the

cutters, make sure that they have the same width

and length. The depth limiter must be lowered after

sharpening the cutters, using a ﬂ at ﬁ le.

Chain tensioning

The chain tension is very important and must be

checked before operating the chainsaw. The better

the chain is tensioned, the best cuts you make! (See

ﬁ tting bar and chain)

Chain lubrication

The chainsaw is equipped with automatic chain lu-

brication system. Always use chain oil indicated for

chain and bar lubrication, with good adhesion to the

chain. Waste engine oil must never being used, since

it can be dangerous for the user and can lead to the

oil pump damage.