|
| |
TM 9-2330-272-14
4-18. INSPECTION INSTRUCTIONS.
NOTE
All damaged areas should be marked for repair or replacement.
a. All components and parts must be carefully checked to determine if they are serviceable for use, can be
repaired, or must be scrapped.
b. Inspect drilled and tapped (threaded) holes for the following:
(1) Wear, distortion, cracks, and any other damage in or around holes.
(2) Threaded areas for wear distortion (stretching), and evidence of cross-threading.
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 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 air lines, fittings, and connectors for leaks by coating them with a solution of dishwashing
compound (Item 7, Appendix E) and water (para 4-40), No leakage is permissible.
f. Inspect bearings in accordance with TM 9-214.
4-19. 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 E) dipped in dry cleaning solvent (Item 16, Appendix E).
(3) Replace any deeply nicked machined surface that could affect the assembly operation.
(4) Repair minor damage to threaded capscrew 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.
4-20. TAGGING WIRES AND HOSES.
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 retag, if tags are
removed to perform cleaning and maintenance work.
c. Remove all tags when finished.
4-22
|
