Ramsey Winch HD-P8000 - Manual (Page 8)

INSTRUCTIONS FOR OVERHAUL HD-P8000 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 8).
Remove springs (items #40) from pockets and inspect for
damage.
Replace gasket (item #25).
Remove coupling (item #23) from end bearing. Examine cou-
pling for signs of wear, replace if necessary. If necessary,
remove counterbalance valve from motor by removing cap-
screws (items #14).
Remove retaining rings (items #39) 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 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.
8
40
24
41 42 21
14
24
23
25
27
22
18
45
4
3
32
30
6
28
33
29
31
5
39
13
34
8
38
44
7
10 1
11
15
11
15