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26
CARE AND MAINTENANCE
Adjusting the chain tension
WARNING
Never touch or adjust the chain while the motor is running. The chain saw is very sharp. Always wear
protective gloves when performing maintenance on chain.
• Loosen the chain cover lock nuts (J) with the
supplied wrench (O). The chain cover lock nuts (J)
do not have to be completely removed in order to
adjust the chain tension.
• Rotate the chain adjustment screw (K) clockwise
to increase the chain tension and rotate counter-
clockwise to decrease the chain tension.
• Once the chain is at the desired tension, tighten
the chain cover lock nuts (J).
Note: During normal saw operation, the temperature
of the chain increases. The drive links of a correctly
tensioned warm chain will hang approximately 1/16 in.
(1,58 mm) out of the bar groove.
Note: New chains tend to stretch; check the chain
tension frequently and tension as required.
J
K
O
1/16 in. (1,58 mm)
16. Hold the tip of the guide bar up and tighten the
chain cover lock nuts (J) by turning them with
the wrench (O). The chain is correctly tensioned
when there is no sag on the underside of the
guide bar, the chain is snug, but it can be turned
by hand without binding.
Note: If the chain is too tight, it will not
rotate. Loosen the chain cover lock nuts (J)
slightly and turn the chain adjustment screw 1/4
turn counterclockwise. Lift the tip of the guide bar
up and retighten the chain cover lock nuts (J).
Ensure that the chain will rotate without binding.
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