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Replace Bearing Carrier.
REPLACEMENT - TM-55-1905-223-24-80069

TM-55-1905-223-24-8 Air Compressor for Landing Craft Utility (LCU) Manual
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TM 55-1905-223-24-8
2-26.
Replace/Repair Crankshaft Group. (FIGURE 2-17)
This task covers:
a. Removal,
b. Repair,
c. Replacement.
INITIAL SETUP
Tools
Equipment Condition
Tool kit, general mechanic's,
Cylinder block and head assembly removed
5180-00-699-5273
para. 2-14).
Torque wrench kit,
Connecting rod and low pressure piston
P/N 3377216
assembly removed (para. 2-19).
Connecting rod and high pressure piston
assembly removed (para. 2-21).
Materials/Parts
Pulley assembly P/N 110523X
Crankshaft assembly P/N 110519
Pry bar, Item 7, Appendix C
REMOVAL
a.
Remove belt guard (6).
b.
Loosen motor mounting bolts (9) and allow motor (8) to slide toward compressor (5) and loosen belts.
c.
Remove belts (7).
d.
Remove two 1/2-inch bolts (2) and 1/2-inch square nuts (16) on pulley assembly hub.
e.
Slide pulley (1) off crankshaft (4).
f.
Remove key (3).
g.
Remove bearing carrier group (paragraph 2-23).
h.
Remove four hex head screws (14) and remove bearing adjustment plate (13) shims (11), spacer plate (12),
and bearing cup (10).
i.
Remove crankcase inspection plate in accordance with procedures in paragraph 2-14.
j.
Reach in crankcase and pull crankshaft from pulley side and remove through bearing carrier group hole.
Change 1 2-52






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