Ramsey Winch RPH-12000 User Manual

Page 8

INSTRUCTIONS FOR OVERHAUL RPH-12000 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 #44) from elbows (item #24) on bot-
tom of brake (item #6) and valve (item #45). Remove motor
(item #31) from brake housing (item #6) by unscrewing
capscrews (item #15). Tap motor lightly to disengage.
Replace all gaskets, o-rings and seals with new ones during
re-assembly.

Remove coupling (item #23) from brake housing. Examine
coupling for signs of wear, replace if necessary. If necessary,
remove valve (item #45) from motor by removing capscrews
(item #19) and lockwashers (item #49). If valve is removed
make sure two square cross section o-rings remain seated in
their counter bores in valve.

Remove brake housing (item #6) from end bearing (item #4)
by unscrewing (6) capscrews (item #14) in a criss-cross
pattern (2 turns each) until all capscrews are removed from
brake housing. Remove brake parts from brake housing.
Examine brake discs (item #26) for signs of wear, and
replace if necessary. Examine o-rings (items #34 & #35)
and backup rings (items #36 & #37) for signs of wear.
Remove o-rings and backup rings from grooves in brake pis-
ton (item #3).

Remove and examine springs (items #42 & #43) for dam-
age, replace if necessary.

Examine fitting (item #30) to assure that fittings are in proper
working condition, replace if necessary.

Remove tie plates (item #9) from end bearings (items #4 &
#5) by unscrewing capscrews (item #16), as shown.
Remove snap ring (item #41) and thrust washer (item #48)
from shaft. Slide motor end bearing (item #4) from drum
(item #1) and drum from gear housing end bearing (item
#5).

Remove input shaft (item #8) and thrust washer (item #47)
from end bearing. Inspect gear teeth and splined end of shaft
for signs of wear. If damaged, it will be necessary to replace
shaft.

SQUARE CROSS
SECTION O-RING