GENERAL MAINTENANCE INSTRUCTIONS--Continued
Inspect metal lines, flexible lines (hoses), and metal fittings for the following:
Metal lines for sharp kinks, cracks, bad bends, and dents.
Flexible lines for fraying, evidence of leakage, and loose metal fittings or connectors.
Metal fittings and connectors, thread damage, and worn or rounded hex heads.
Inspect castings, forgings, and machined metal parts for the following:
Machined surfaces for nicks, burrs, raised metal, wear, and other damage.
Inner and outer surfaces for breaks and cracks.
Inspect air lines, fittings, and connectors for leaks by coating fittings and connectors with solution
of soap and water. No leakage is permissible.
Inspect bearings in accordance with TM 9-214.
Any repair procedure peculiar to a specific part or component is covered in the section or paragraph
relating to that item. After repair, clean all parts thoroughly to prevent dirt, metal chips, or other foreign
material from entering any working parts.
Repair castings, forging, and machined parts using the following instructions:
Compounds can burn easily, can give off harmful vapors,
and are harmful to skin and clothing. To avoid injury or
death, keep away from open fire and use in a well-ventilated
area. If compound gets on skin or clothing, wash immediately
with soap and water.
See TM 9-237 for instructions on repairing minor cracked
castings or forgings.
Repair minor damage to machined surfaces with a fine mill file or abrasive cloth dipped in cleaning
Replace any deeply nicked machined surfaces that could affect the assembled operation.
Repair minor damage to threaded screw holes with thread tap of same size, to prevent cutting