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1. Remove the wire rope from the cable drum BEFORE disconnecting the hydraulic lines from the winch motor.
2. Drain the gear case oil as described in the Preventive Maintenance section of this manual.
3. Disconnect hydraulic and electrical lines from the winch to the tractor. Take precautions so that hydraulic oil does
not leak from the tractor hydraulic lines onto the ground. Cap or plug all connectors and ports to prevent leakage
and contamination.
4. Using caution, remove the winch from the tractor mounting brackets. Take note of the weight of the base winch from
the Specifications section of this manual. Use an appropriately sized crane and lifting equipment that can handle
the weight. It is recommended to use a lift plan to ensure safety during disassembly.
5.
Remove the hose guard (Item 179) from the left of the winch and disconnect the drum clutch hose.
6.
Remove the cap screws and washers (171, 172) that secure the end cover (167) to the ring gear assembly. Remove
the cover and inspect or replace O-ring (170). Remove the thrust bearing set (159 thrust race, 160 needle bearing,
and 161 thrust washer) from around the primary planet carrier hub. Remove the 20 drum clutch springs (151).
7.
Remove retaining rings (166) and primary sun gear (63). Remove the primary carrier assembly (600). Remove the
thrust bearing set (2x 168 thrust washers, 169 thrust bearing). Refer to the Primary Carrier Assembly Service sec
-
tion of this manual for service procedures.
WINCH DISASSEMBLY
Oil fill
and vent
Oil drain
Oil level
Needle roller thrust bearings are used throughout the
planetary reduction group. Handle these bearings
with care. If dropped, the metal cage separating the
rollers may be damaged, which will result in bearing
failure and possible damage to the winch gear train
if reused.
CAUTION
!
!
