Makita EA3200S Operator's Manual page 12

the k ickback r eaction. The t ype o f b ar a nd s aw c hain y ou
use i s a f actor i n t he f orce o f t he k ickback r eaction.
The s peed o f c ontact a t w hich t he c utter c ontacts
the o bject.
Kickback f orce i ncrease w ith t he r ate o f i mpact.
The contact angle between the nose of the bar
and t he f oreign o bject ( fig. 1 1).
Kickback is most pronounced in the upper quadrant
of t he b ar n ose.
MAKITA c hain t ypes a re d esigned t o r educe k ickback
forces.
The d epth g auges:
Improper lowering of the depth gauges also increases
the r isk o f a k ickback.
Saw c hain c utter s harpness:
A dull improperly sharpened chain may increase
the risk of kickback. Always cut with a properly
sharpened chain.
Devices f or r educing t he r isk o f k ickback i njury
MAKITA h ave d eveloped a s pecial c hain b rake t o r educe
the r isk o f k ickbacks.
This chain brake increases the safety factor on the
job, e .g. w hen t he s aw s uddenly b ucks u pwards t he c hain
stops r otating w ithin a f raction o f a s econd. A d eflection
guard o n t he d isengaging l ever o f t he c hain b rake a nd
a scoop rear handle ensure that the operator's hands
are fully protected at all times.
Kickback tendency increases as the radius or size of
the g uide b ar n ose i ncreases. M AKITA h ave d eveloped
guide b ars w ith s mall n ose r adius, t o r educe t he k ick-­
back t endency.
No c hain b rake p revents k ickback.
These b rakes a re d esigned o nly t o s top t he c hain,
if activated.
To e nsure a p roper o peration o f t he c hain b rake, i t
must be properly maintained. Furthermore, there
must be a sufficient distance between the opera-­
tor a nd t he b ar t o e nsure t hat t he c hain b rake h as
sufficient t ime t o a ctivate a nd s top t he c hain b efore
potential contact with the operator.
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WARNING!
WARNING!
To a void k ickback
The b est p rotection f rom p ersonal-­injury t hat m ay r esult
from k ickback i s t o a void k ickback s ituations:
1 . H old the chain saw firmly with both hands and
maintain a secure grip.
2 . B e a ware o f t he l ocation o f t he g uide b ar n ose a t
all times.
3 . Never bring the nose of the guide bar in contact
with any object. Do not cut limbs with the nose
of t he g uide b ar. B e e specially c areful w ith s mall,
tough l imbs, s mall s ize b rush a nd s aplings w hich
may easily catch the chain.
4 . Don't overreach.
5 . D on't c ut a bove s houlder h eight.
6 . Begin cutting and continue at full throttle.
7 . Cut only one log at a time.
8 . U se e xtreme c aution w hen r e-­entering a p revious
cut.
9 . Do not attempt plunge cuts (see page 15) if you are
not e xperienced w ith t hese c utting t echniques.
10. Be alert for shifting of the log or other forces that
may cause the cut to close and pinch the chain.
11. Maintain saw chain properly. Cut with a correctly
sharpened, properly tensioned chain at all times.
12. Stand to the side of the cutting path of the chain
saw.
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