Service and Maintenance
FX66, FX85/R, FX110/R, FX140/R
PTO Skidding Winch
38
7.5 Drive Chain Tension
The winch is designed with a roller chain to transmit
the power between the PTO input and the clutch /
winch. The chain tension is automatically set through a
spring-loaded sliding tensioner.
The chain tensioning system is designed with an
internal compression spring to set maximum chain
tension during operation. No adjustment is requried.
00603
Fig. 38 –
Chain Tensioner
7.5.1 Drive Chain Replacement
If replacing the roller chain, follow this procedure to
release tension on the chain:
1.
Turn in (tighten) the adjusting nut on tension bolt
until chain tension is released (minimum chain
tension).
2.
Remove the old chain and install the new chain.
3.
To set the chain to maximum tension, turn out the
adjusting nut on tension bolt within 1/4" (6 mm)
from end of tension bolt.
7.6 Clutch Adjustment
Adjust the clutch using the following method if it begins
to slip or goes out of adjustment.
00604
1
2
Fig. 39 –
Clutch Adjustment
1. Jam Nut
2.
Socket Head Capscrew
Procedure
1.
Loosen the three jam nuts on the front side of the
winch.
2.
Turn socket head capscrews inward by hand until
they just contact the pressure plates.
3.
Tighten bolts equally until the desired amount of
free play is felt on clutch lever. Pull on rope to feel
free play in clutch and adjust as required.
4.
Tighten jam nuts.
5.
Check clutch setting before resuming work. Start
PTO and check for drag on the clutch.
Drag can cause the cable to inch in without the rope
being pulled. If the cable is inching in with the clutch
disengaged, go through the above steps again to
readjust.
Summary of Contents for FX110R
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