6
END OF SERVICE MEASURES
When winch reaches the end of it’s serviceable life,
dispose of per local environmental regulations.
INSTRUCTIONS FOR OVERHAUL HD-P 42,2
SERIES WINCH
Take note of mounting configurations for proper
mounting of parts during re-assembly. Replace all
gaskets, o-rings, and seals during re-assembly.
Disconnect tube (item #41) from elbow fittings (items
#24) on bottom of end bearing and counterbalance
valve (item #42). Remove motor (item #27) from end
bearing by slowly unscrewing capscrews (items #18).
CAUTION:
MOTOR IS UNDER SPRING PRESSURE.
Check breather vent (item #45). Make sure it is not
clogged. If oil is leaking from vent, check brake o-rings,
backup rings, and sealing surfaces (see page 10).
Remove springs (items #40) from pockets and inspect for
damage. Replace gasket (item #25).
Remove coupling (item #23) from end bearing. Examine
coupling for signs of wear, replace if necessary. If
necessary, remove counterbalance valve from motor by
removing capscrews (items #14).
Remove retaining rings (items #39 and #48) with
screwdriver.
Remove brake parts from end bearing. NOTE
POSITION OF O-RINGS AND BACKUP RINGS
BEFORE REMOVAL. Examine brake discs (items
#4) and stators (items #3) for signs of wear, and
replace if necessary.
Examine o-rings (items #28 and 29) and backup
rings (items #31 and 33) in brake piston (item #5),
as well as o-ring (item #30) and backup ring (item
#32) in backup brake piston (item #6) for signs
of wear. Remove o-rings and backup rings from
grooves in brake piston or backup brake piston and
replace if necessary.
Remove tie plates (items #11) from end bearings
by unscrewing capscrews (items #15). Slide motor
end bearing (item #8) and drum (item #1) from gear
housing end bearing.
Remove input shaft (item #10) from end bearing.
Inspect shaft and output sun gear (item #7) for damage and replace if necessary. To remove the output sun
gear, remove the snap rings (items #38) and thrust washer (item #44) and pull off the end of the shaft.
Remove bushing (item #13) and o-ring (item #34) from motor end bearing. Place new, well-oiled o-ring into
groove inside of end bearing and press new bushing onto end bearing.
18
22
27
25
23
40
24
45
14
21
42
41
24
4
3
32
30
6
28
33
29
31
5
39
48
13
34
15
15
11
11
1
8
10
38
7
44
OVERHAUL INSTRUCTIONS
Summary of Contents for HD-P 42
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