2-3. GENERAL MAINTENANCE INFORMATION. (cont)
Clean metal parts with dry cleaning solvent P-D-680. Metal or fiber brushes may be used to apply dry
cleaning solvent P-D-680 and to remove softened or dissolved material. Hand scraping with metal scrapers may be used
to remove soft coatings or deposits.
Soak oily or greasy metal parts in a tank containing dry cleaning solvent P-D-680. The time parts must
be in solvent varies with the type and amount or material to be removed.
Do not use solvent to clean electrical insulation, wires, cables or wiring harnesses. Clean these parts by
wiping with a damp cloth. Use a mild soap solution if necessary. Dry immediately with clean dry cloths. Clean contact
points with flint abrasive paper and dust thoroughly after cleaning.
Do not use solvent to clean rubber parts. Clean rubber parts by washing with mild solution of soap and
Dry parts by blowing with low pressure compressed air or wiping with clean, lint-free cloths.
Bearing should be cleaned by procedures in TM 9-214.
Paint metal surfaces after repair, as required. Sand damaged paint areas. Apply one coat of rust
inhibitor primer, specification TT-P-659. Allow primer to dry a minimum of 30 minutes before applying enamel. Paint with
enamel to match existing color. Use a while enamel, specification TT-E-489 or olive drab enamel, specification TT-E-529.
Painting. Refer to TM 43-0139 and AR 750-58 for ways to paint and supplies to use. Refer to TM 5-200 for
ways to camouflage parts.
Welds. Inspect and repair welds, refer to TM 9-327.
Tagging Parts. Follow the steps enumerated below, where applicable, to inspect the different types of parts
with which you will work. If any of the conditions listed below are found to exist, withdraw the inspected part from service.
Inspection. Follow the steps enumerated below, where applicable, to inspect the different types of parts with
which you will work. If any of the conditions listed below are found to exist, withdraw the inspected part from service.
Inspect parts for cracks, warpage, tears, abrasion, structural damage or any other gross deformation
that can be detected visually.
Inspect flatness of machines surfaces with a straight edge of verified quality. There should be no visible
gaps between machined surfaces and straight edge.