30
TM
• Stop the motor and disconnect from power
supply.
• Pull the front handle all the way back and
depress the lower jaw lock button. Keep the
button depressed while releasing the
handle to lock the lower jaw in the open
position.
• Loosen the chain cover bolt to finger tight
using the combination wrench provided
then turn the chain tensioning screw
clockwise to tension the chain. Refer to
Replacing the Bar and Chain
for
additional information.
NOTE:
A cold chain is correctly tensioned
when there is no slack on the underside of
the guide bar, the chain is snug, but it can
be turned by hand without binding.
• Chain must be re-tensioned whenever the
flats on the drive links hang out of the bar
groove as shown in fig. 12
APPROX .050 in.
Fig. 13
Fig. 12
• During normal operation, the temperature
of the chain will increase. The drive links of
a correctly tensioned warm chain will hang
approximately . 050 in. out of the bar
groove, as shown in fig. 13
• Retighten the chain cover bolt securely.
• Return the lower jaw to the closed position
by pulling back on the front handle and
allowing the handle to move all the way
forward.
NOTE:
New chain tends to stretch; check
chain tension frequently and tension as
required.
NOTICE:
Chain tensioned while warm, can be too tight
upon cooling. Check the “cold tension” before
next use.
REPLACING THE BAR AND CHAIN
See Figures 11-17.
WARNING:
To avoid possible serious injury, stop the motor
and disconnect from power supply before
replacing the bar, chain, or performing any
maintenance operation.
BAR
CHAIN
COVER
CHAIN COVER BOLT
CHAIN
Fig. 14
Fig. 15
CHAIN
TENSIONING
PIN
BAR STUD
SLOT
BOLT
CHAIN
TENSIONING
PIN HOLE
BAR
SPROCKET
CHAIN
COVER
Croc Saw Manual.indb 30
24-04-14 11:18
