2-20. GENERAL CLEANING INSTRUCTIONS (CONT)
Solvents used with a spray gun must be used in a spray booth with filter.
Face shield must be used by personnel operating spray gun. Failure to
comply may result in injury to personnel.
g. Engine, Cab, and Body. Use a spray gun and solvent mixture for cleaning exterior of engine, cab, and body.
Allow mixture to remain on item surface for 10 minutes before rinsing. Rinse with hot water under 80 to 120 psi
(550 to 830 kPa), if available. An ordinary garden hose with nozzle may be used if other equipment is not available.
To prevent corrosion, parts should be dipped in rust preventive within two hours of
h. Degreasing Machine. A degreasing machine may be used to remove heavy grease and oil from metal parts.
Dry Cleaning Solvent (P-D-680) is TOXIC and flammable. Wear protective goggles
and gloves; use only in well ventilated area; avoid contact with skin, eyes, and
clothes, and do not breathe vapors. Keep away from heat or flame. Never smoke
when using solvent; the flashpoint for Type I Dry Cleaning Solvent is 100°F (38°C)
and for Type II is 130°F (50°C). Failure to comply may result in serious injury or
death to personnel.
If personnel become dizzy while using Dry Cleaning Solvent, immediately get
fresh air and medical help. If solvent contacts skin or clothes, flush with cold
water. If solvent contacts eyes, immediately flush eyes with water and get
immediate medical attention. Failure to comply may result in injury to personnel.
Never use fuel to clean parts. Fuel is highly flammable. Serious injury could
result if fuel ignites during cleaning.
i. Passages. After degreasing, check all oil passages and cavities for dirt or blockage before coating with
lubricating oil (Item 41, Appendix C). Run a thin, flexible wire through oil passages to make sure they are not
clogged. Use a pressure spray gun and Dry Cleaning Solvent P-D-680 (Item 80, Appendix C) to clean dirty
j. Electrical Parts. Electrical parts, such as coils, junction blocks, and switches should not be soaked or sprayed
with cleaning solutions. Clean these parts with a clean wiping rag (Item 56, Appendix C) moistened with Dry
Cleaning Solvent P-D-680 (Item 80, Appendix C).