TM 9-2330-247-14&P
REPAIR INSTRUCTIONS (Con't)
4-22.
CASTINGS, FORGINGS, AND MACHINED METAL, PARTS
Minor cracked castings or forgings may possibly be repaired. Refer to TM 9-237.
1.
WARNING
Dry cleaning solvent, P-D-680, is toxic and flammable, Always wear protective goggles
and gloves, and use only in a well-ventilated area. Avoid contact with skin, eyes, and
clothes, and DO NOT breathe vapors. DO NOT use near open flame or excessive heat.
The solvent's flash point is 100F-138F (38C-59C). If you become dizzy while
using cleaning solvent, immediately get fresh air and medical help. If solvent contacts
eyes, immediately wash your eyes and get medical aid.
2. Repair minor damage to machined surfaces with a fine mill file or abrasive cloth (Item 4, Appendix E) dipped in
dry cleaning solvent (Item 12, Appendix E).
Deeply nicked machined surfaces that could affect the assembly operation should be replaced.
3.
4.
Minor damage to threaded capscrew holes should be repaired with threaded tap of same size to prevent
cutting oversize.
METAL LINES, FLEXIBLE LINES (HOSES), AND METAL FlTTINGS
Replace metal lines, flexible lines (hoses), and fittings as required (para 4-37 or 4-41).
4-16
