TM 5-4220-233-14
c.
Inspect metal lines, flexible lines (hoses), and metal fittings for the following:
(1) Metal lines for sharp kinks, cracks, bad bends, and dents.
(2) Flexible lines for cuts, fraying, evidence of leakage, and loose metal fittings or connectors.
(3) Metal fittings and connectors for thread damage and worn or rounded hex heads.
d.
Inspect castings, forgings, and machined metal parts for the following:
(1) Machined surfaces for nicks, burrs, raised metal, wear, and other damage.
(2) Inner and outer surfaces for breaks and cracks.
e.
Inspect bearings in accordance with TM 9214.
f.
Inspect air lines, fittings, and connectors for leaks using a leak detect or compound (Item 6, Appendix D).
No leakage is permissible.
4-17.
REPAIR INSTRUCTIONS.
a.
Repair casting, forgings, and machined metal parts using the following instructions:
(1) Repair minor cracked casting or forgings in accordance with TM 9-237.
(2) Repair minor damage to machined surfaces with a fine mill file or an abrasive cloth (Item 5, Appendix
D) dipped in dry cleaning solvent (Item 15, Appendix D).
(3) Replace any deeply nicked machined surface that could affect the assembly operation.
(4) Repair minor damage to threaded cap screw holes with thread tap of same size to prevent cutting
oversize.
b.
After repair, clean all parts thoroughly to prevent dirt, metal chips, or other foreign material from entering
any working parts.
4-18.
TAGGING WIRE, HOSES, AND TUBING.
a.
As soon as first wire or hose Is disconnected, write number "1 "on two tags. Secure one tag to wire or hose
and other tag to terminal, nipple, or fitting. After disconnecting second wire or hose, write number "2" on
two tags. Secure one tag to wire or hose, and second tag to terminal, nipple, or fitting. Do the same for all
hoses and fittings.
b.
Note which numbers you used, in pencil, on art in manual. This will help you accurately re-tag, if tags are
removed to perform cleaning and maintenance work.
c.
Remove all tags when finished.
4-17
