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 TM 55-1905-223-24-16
4-16.
Replace/Repair Gearbox Assembly.
This task covers:
a. Removal
b. Disassembly
c. Inspection
d.
Repair
e. Assembly
f. Adjustment
g. Replacement
INITIAL SETUP
Tools
Equipment Condition
Tool kit, general mechanic's,
Stern anchor winch shut down, tagged
"Out of Service - Do Not Operate."
Tool kit, measuring machinists,
(Reference TM 55-1905-223-10)
5280-01-278-9919
Refer to the following paragraphs in this
Torque wrench (30-300 foot-pound)
maintenance manual:
5120-01-125-5190
Single leg wire rope assembly removed,
Lifting sling 3375958
Bearing puller, 5120-00-
Hydraulic pump assembly removed,
595-9304
Bearing Press, 4920-00-373-9376
Failsafe brake assembly removed,
Materials/Parts
Brake reducer mount/coupling removed,
Gearbox assembly
Spool and shaft removed, paragraph 4-13.
P/N LC-280-12V-R-L-I-A
Oil seal P/N A65x90xl0/12,
General Safety Instructions
A170Y200x15
Gear set (high speed)
Be very careful when lifting heavy
P/N LC-280-12V-73
equipment.
Cartridge bearing PIN 2023x74-1
Bearing assembly (high speed)
P/N 31315x.Kll-Al00
Shaft (high speed)
P/N 2024x29-1
Oil slinger (high speed)
P/N 2023W80-A
Bearing P/N 22316LB/C3
Pinion (intermediate speed)
P/N 2024x5-1
Bearing (intermediate speed)
P/N 22314LB/C3, 22319LB/C3
Bearing assembly (intermediate speed)
P/N 31111Y.KllA-80.1
Cartridge bearing (intermediate speed)
P/N 2023x95-1
Retainer bearing (intermediate speed)
P/N LC-280-12V-8, 1960x405-2
Change 1 4-66
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