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 TM 55-1905-223-24-10
(5) From upright (28) remove round head screws (35), limit switch (34), spring (29), socket head capscrew (30),
arm (31), socket head cap screw (32) plain nuts (33) and remove upright (28).
b. To remove gear reducer assembly from bow ramp winch drum (FIGURE 4-10) loosen socket head capscrews
(8), remove headless straight pins (30) and remove socket head capscrews (8).
c. Remove gear reducer assembly from drum.
DISASSEMBLY
WARNING
The fumes from cleaning solvents are dangerous. Use solvents in open air or well
ventilated space. Wear proper eye protection and rubber gloves.
CAUTION
Cleanliness and care during repair is important. Before disassembly of any components,
plug all ports and thoroughly was the outside of the assembly with cleaning solution to
remove grit and dirt. When removing internal components, care must be taken so that
sealing surfaces are not scratched or otherwise damaged. Inspect all packing grooves
and mating surfaces for severe wear or other damage. Any metal parts showing severe
wear should be replaced.
a. Place gear reducer assembly in a position to drain gear oil from housing, place a container under oil fill plugs
(1,2,11 and 43, FIGURE 4-9), remove plugs one at a time and drain oil from gear reducer assembly.
b. Remove socket head capscrews (43), carrier seal (35), preformed packing (33), seal (41), carrier bearing (42)
and housing, (32) from gear reducer assembly. Discard packing and seal.
c. Remove preformed packing (31), carrier b earing (38), bushing (37), retainer ring (39) and bushing (36). Discard
packing.
(1) Remove third stage carrier planet subassembly (40) consisting of plant gear shafts (44), headless
straight pins (3), planet gears (4), bearing spacers (5), thrust bearings (9) and planet pin bearings (6).
4-44
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