TM 5-3740-218-1 3&P
WARNING
Death or serious injury could result by repeated and/or prolonged breathing and/or skin contact of drycleaning solvent P-
D-680. Use in a well-ventilated area. Do not use near open flame or in excessive heat. The flash point of this solvent is
1000F-138F (38C-59C).
d. Electrical Parts. Electrical parts that use insulating materials should not be soaked or sprayed with cleaning
solutions. Clean with clean, lint-free cloth (item 4, Appendix E) moistened with drycleaning solvent P-D-680 (item 59,
CAUTION
Do not use soap or alkalies for cleaning tank interiors.
e. Hydraulic and Fuel Tanks. Pay special attention to all Warnings and Cautions when working on fuel tank.
Tanks should be flushed, using spray gun and drycleaning solvent P-D-680 (item 59, Appendix E).
f. Battery. Exterior surfaces of electrical system and battery should be cleaned with weak solution of baking
soda (item 57, Appendix E) and water. Apply solution with bristle brush to
remove any corrosion.
WARNING
Death or serious injury could result by repeated and/or prolonged breathing and/or skin contact of drycleaning solvent P-
D-680. Use in a well-ventilated area. Do not use near open flame or in excessive heat. The flash point of this solvent is
100F-138F (38C-59C).
Never use gasoline or other petroleum-base products to clean or preserve hydraulic system parts. If gasoline ignites,
serious injury to personnel will occur. Use of gasoline or other petroleum-base products can contaminate hydraulic
systems.
g. Hydraulic System. When cleaning hydraulic system parts, use drycleaning solvent P-D-680 (item 59,
Appendix E). Clean and dry parts thoroughly to make sure no residue remains. If coating of preservative is required
before assembly, apply light film of preservative oil (item 39, Appendix E).
h. Parts Protection. To prevent moisture and dirt from entering open housings, lines, and other openings, apply
protective caps and plugs as soon as possible after disassembly. Wrap all removed parts in clean paper or dip parts in
1-12