TM 55-2210-224-34
3-66. COUPLER
This task covers:
a.
Removal
c.
Cleaning
e.
Repair
g.
Installation
b.
Disassembly
d.
Inspection
f.
Assembly
INITIAL SETUP
Tools
Materials/Parts
Tool kit SC4940-97-Cl-E12
Drycleaning solvent (Item 34, Appendix B)
Magnaflux
Graphite grease (Item 16, Appendix B)
Grease GAA (Item 13, Appendix B)
Personnel Required
2
REMOVAL
WARNING
Components of the coupler are heavy and may be awkward to handle. Use correct lifting
procedures, indicated lifting devices, and/or assistance from other personnel to avoid injury.
1.
Remove cotter pin (1) and pin (2) from uncoupler clevis (3).
2.
Use a suitable lifting device and support coupler (6).
3.
Use a cutting torch and remove flange (4). Remove cotter pin (5) and toggle pin (6). Remove coupler (7).
4.
Use a suitable lifting device and support yoke (11).
5.
Remove four nuts (8), plate washers (9), and bolts (10). Remove yoke(11).
DISASSEMBLY
6. Remove cotter pin (12), knuckle pin (13), and knuckle (14).
7. Remove lock lifter (15), knuckle thrower (16), and knuckle lock (17).
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