Ramsey Winch RPH-50000 LARGE FLANGE W/AIR TENSIONER (OBSOLETE) - Manual (Page 9)

6
INSTRUCTIONS FOR OVERHAUL
DIS-ASSEMBLY
1. Drain oil from gear housing #10 by removing pipe cap #46 from pipe nipple in end bearing.
Remove reducer #45 and relief fitting #41. If new air cylinder is required, remove air cylinder #36
from cover by removing (4) capscrews #23.
Remove washer #27, nut #28, setscrew #21, and insert #33 from end of air cylinder rod. Apply
Loc-tite to threads of nut #28 and thread onto setscrew #21 to 3/8” from drive end, as shown
below. Apply Loc-tite to threads of setscrew and thread insert #33 over end of setscrew and
against nut. Use setscrew and nut to thread insert #33 into end of air cylinder rod. Tighten nut
against cylinder rod, keeping 3/8” distance from drive end of setscrew to nut. If breather vent
#42 is damaged, remove and replace.
2. Disconnect tube #49 from elbow #34 on valve #50 and fitting #35 on bottom of brake #37.
Remove motor #43 and gasket #37b by removing (2) capscrews #20. Remove valve #50, if
needed, from motor by loosening (3) capscrews #18, as shown on page 17.
3/8
28
21
23
27
40
21
42
45
10
46
APPLY LOC-TITE TO SETSCREW
ROD
AIR CYLINDER
33
41
36
33
27
28
50
20
37
43
20
49
37b