Oleo-Mac GST 250 5029-9001E2T - Инструкция по эксплуатации - Страница 36

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visibility and light to see clearly.

 - Stop the engine before setting the chainsaw 

down.

 - B e par ticular ly cautious and aler t when 

wearing ear protectors, as these can restrict 
your ability to hear sounds indicating danger 
(shouts, signals, warnings, etc.)

 - Be extremely careful when working on slopes 

or uneven surfaces.

 - Do not cut above chest height, as a saw held 

higher is difficult to control against kickback 
forces.

 - Do not cut from a ladder, this is extremely 

dangerous.

 - Stop the saw if the chain strikes a foreign 

object. Inspect the saw and repair parts as 
necessary.

 - Keep the chain out of dirt and sand. Even a 

small amount of dirt will quickly dull a chain 
and increase the possibility of kickback.

 - Always keep the handles dry and clean.
 - When cutting a limb that is under tension, be 

alert for springback so you will not be struck 
when the tension in the wood fibre is released.

 - Take great care when cutting small branches or 

shrubs which can block the chain, be thrown 
back towards you or cause you to lose your 
balance.

PRECAUTIONS FOR USING THE MACHINE
1.  T h e   s p e c i a l l y   s h a p e d   h a n d g r i p   o n   t h e 

machine calls for particular care when dealing 
with kickback.

2.  Extreme care should be taken at the end of a 

cutting operation in relation to the machine 
suddenly dropping. This eventuality is difficult 
to control with this type of handgrip.

3.  Attention should be paid to chain sliding. 

Instead of penetrating the tree trunk, the 
chain may slide forward and the operator will 
not be able to fully control this action.

4.  Tree maintenance operators must be trained 

i n   t h e   c o r r e c t   o p e r a t i v e   t e c h n i q u e s 
concerning safety at work, i.e.: headgear, 

safety harnesses, cables and spring-clips, as 
well as all of the other safety devices that are 
n o r m a l l y   u s e d   a n d   m u s t   b e   t r a i n e d 
professionally in tree climbing.

5.  The  ISO 11681-2 regulation permits that, in 

hands of a trained operator, it can be used an 
one hand, carefully using a safe way of work 
( o n l y   fo r   t re e   s u rg e r y ) .   Fo r   a l l   o t h e r 
operations it is compulsory to use it with 
t w o   h a n d s   i n   t h e   s a m e   w a y   a s   a 
conventional chain saw.
WARNING! - WE STRONGLY RECOMMEND 
NOT TO USE THIS CHAIN SHOW WITH ONE 
HAND ONLY.
Using the chain saw with only one hand is 
e x t r e m e l y   d a n g e r o u s ,   a s   t h i s   w i l l 
significantly increase the possible occurrence 
of the dangers listed (1÷4) above.

6.  Release machine from hook point while 

refuelling.

8. MAINTENANCE

WARNING - Always wear protective gloves 
during maintenance operations. Do not 

carry out maintenance when the engine is hot.

CHAIN SHARPENING
The pitch of the chain is ¼”x.050” of 3/8”x.050”. 
Sharpen the chain using protective gloves and a 
round file of Ø 4 mm (5/32”).

  WARNING - Do not fit tho chain ¼” on the 

3/8” pinion or vice versa.

Always sharpen the cutters only with outward 
strokes observing the values given in Fig. 23.
After sharpening, the cutting links must all have 
the same width and length.