4-18. Casting Instructions (cont'd)
c. Castings, Forgings and Machined Metal Parts
Dry cleaning solvent (P-D-680) is stoxic and flammable. Avoid prolonged breathing of vapors.
Avoid skin contact. Use only in a well-ventilated area. Keep away from open flame. Flash point
of solvent is 138o (500 C).
1. Clean inner and outer surfaces with dry cleaning solvent (item 3, Appendix E).
2. Remove grease and accumulaterd deposits with a stiff-bristled brush.
Compressed air used for cleaning or drying purposes, or for clearing restrictions, should never
exceed 30 psi (207 kPa). Wear protective clothing (goggles/shield, gloves, etc.) and use
caution to avoid injury to personnel.
3. Clear out all threaded holes with compressed air to remove dirt and cleaning fluids.
Do not wash oil seals, electrical cables, and flexible hoses with dry cleaning solvent or mineral
spirits. Serious damage or destruction of material would result.
d. Oil Seals, Electrical Cables and Flexible Hoses
Wash electrical cables and flexible hoses with solution of water and dishwashing soap (item 17, Appendix E)
and wipe dry.
Clean bearings in accordance with TM 9-214.
4-19. Inspection Instructions
All damaged areas should be marked for repair or replacement
a. All components and parts must be checked carefully to determine if they are serviceable for reuse, can be
repaired or must be scrapped.