Ramsey RPH20RPH25,256115 User Manual
GEARBOX REPLACEMENT KIT
#256115
INSTALLATION INSTRUCTIONS
FOR RPH 20000/25000 WINCHES
WITH AUBURN GEARBOXES
NOTE: Refer to pages 7 and 8 for complete parts list and exploded parts diagram of winch with replacement
(Quantum) gearbox and associated parts. Item numbers denoted with * are from the Gearbox Replacement
kit. See parts list for kit on page 6.
1. Drain oil from gear end housing (item
#9) by removing pipe cap (item #44)
from pipe nipple in end bearing. Remove
reducer (item #42) and relief fitting (item
#36). Set aside pipe cap, reducer, and
relief fitting.
Remove air cylinder from gear end by
removing 4 screws (item #24). Pull air
cylinder from gear end assembly. Make
sure washer (item #26) comes off with
air cylinder. Set aside air cylinder and
washer.
2. Disconnect tube (item #47) from
elbows (item #30), as shown.
Remove motor (item #38) and
gasket (item #33) by removing
(2) capscrews (item #19).
AIR CYLINDER
9
36
42
34
44
26
24
33
38
19
19
47
32
30
3. Remove brake assembly (item #32) by removing (2) mounting screws (item
#20) that attach brake to end bearing (item #8). Remove gasket (item #35)
from end bearing.
4. Take note of mounting configuration
for proper mounting of parts during
re-assembly. Remove winch from upright
mounting frame (item #2) by removing
(4) capscrews and lockwashers. Pull
motor end bearing (item #8) from drum
assembly (item #1).
10
8
20
32
35
2
9
1
8
17
25
17
25
25
16
25
16
2
11
9
10
1
5
46
28
5. Pull drum assembly (item #1) upward from end bearing (item #9). Remove
coupling (item #5), input shaft (item #11), and clutch spring (item #46) from
gear end assembly.
Set aside drum assembly, coupling, input shaft, and clutch spring.
Discard gear end assembly.
6. From new Gearbox Replacement kit, place Gear End Assembly (item
#2*) on workbench with gearbox cover down (as shown at right).
Slide shifter shaft (item #4*) with washer (item #5) over it into the
Gear End Assembly, with long splined end going in first. Mesh
splines with input sun gear in gearbox. About 1/2” of the end of the
shifter shaft should protrude through gearbox cover when it is all the
way in.
Insert the shaft coupling (item #3*) into the shifter shaft and then
insert the output coupling assembly (item #1*) over it.
Place a second washer (item #5*) on the output coupling assembly.
7. Insert the input shaft (item #11), clutch spring (item #46), and coupling
(item #5) into the gear end assembly. Carefully set drum assembly (item
#1) on gear end assembly.
Secure drum to gear end assembly using C-clamp.
3
5*
1*
3*
5*
4*
2*
Item numbers denoted with * are from
the Gearbox Replacement kit.
10
11
1
5
46
5*
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