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ii i i ii i i iii i i i
OPERATION - SAFETY
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GENERAL SAFETY
WARNING:
IF SAW BECOMES PINCHED OR HUNG IN A
LOG, DO NOT TRY TO FORCE IT OUT. YOU
CAN LOSE CONTROL OF THE SAW
RESULTING IN INJURY AND/OR DAMAGE
TO THE SAW. STOP THE SAW, DRIVE A
WEDGE OF PLASTIC OR WOOD INTO THE
CUT UNTIL THE SAW CAN BE REMOVED
EASILY. RESTART THE SAW AND
CAREFULLY RE-ENTER THE CUT. TO
AVOID KICKBACK AND CHAIN DAMAGE,
DO NOT USE A METAL WEDGE. DO NOT
ATTEMPT TO RE-START YOUR SAW
WHEN IT IS PINCHED OR HUNG IN A LOG.
KICKBACK CAN OCCUR WHEN THE
MOVING CHAIN CONTACTS AN OBJECT
AT THE UPPER PORTION OF THE TIP OF
THE GUIDE BAR OR WHEN THE WOOD
CLOSES IN AND PINCHES THE SAW CHAIN
IN THE CUT. CONTACT AT THE UPPER
PORTION OF THE TIP OF THE GUIDE BAR
CAN CAUSE THE CHAIN TO DIG INTO THE
OBJECT AND STOP THE CHAIN FOR AN
INSTANT. THE RESULT IS A LIGHTNING
FAST, REVERSE REACTION WHICH KICKS
THE GUIDE BAR UP AND BACK TOWARD
_THE OPERATOR. IF THE SAW CHAIN IS
PINCHED ALONG THE TOP OF THE GUIDE
BAR, THE GUIDE BAR CAN BE DRIVEN
RAPIDLY BACK TOWARD THE OPERA-
TOR. EITHER OF THESE REACTIONS CAN
CAUSE LOSS OF SAW CONTROL WHICH
CAN RESULT IN SERIOUS INJURY.
AVOID REACTIVE PINCH FORCES
Pinch-Kickback and Pull-in occur when the chain is sud-
denly stopped by being pinched, caught, or by contact-
ing a foreign object in the wood. This sudden stopping of
the chain results in a reversal of the chain force used to
cut wood and causes the saw to move in the opposite
direction of the chain rotation. Pinch-Kickback drives the
saw straight back toward the operator. Pull-In pulls the
saw away from the operator. Either reaction can result in
loss of control and possibly serious injury.
TO AVOID PINCH-KICKBACK:
• Be extreme_ aware of situations or obstructions that
can cause material to pinch the top of or otherwise
stop the chain.
° Do not cut more than one log at a time.
° do not twist the saw as the bar is withdrawn from an
under-cut when bucking.
TO AVOID PULL-IN:
• Always begin cutting with the engine at full throttle and
the front saw frame against the wood.
• Use wedges made of plastic or wood, (never of metal)
to hold the cut open.
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