Fuel is very flammable and can explode easily. To avoid serious injury or death, keep fuel away from open fire and keep fire
extinguisher within easy reach when working with fuel. Do not work on fuel system when engine is hot. Fuel can be ignited by hot
engine. When working with fuel, post signs that read NO SMOKING WITHIN 50 FEET (15 m).
Pressure test procedure results in fuel under high pressure. Be sure that pressure test device is connected properly and use
safety shield during test. Failure to do so may result in injury to personnel.
Drycleaning Solvent (P-D-680) is TOXIC and flammable. Wear protective goggles and gloves; use only in a 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 drycleaning solvent is 100°F (38°C), type II is 138°F (50°C), and type III is 200°F (93.3°C). Failure
to do so may result in injury or death to personnel. If personnel become dizzy while using 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.
Improper cleaning methods and use of unauthorized cleaning solvents may injure personnel and damage equipment. Refer to
TM 9-247 for correct information.
Eye shields must be worn when cleaning with a wire brush. Flying rust and metal particles may cause injury to personnel.
Particles blown by compressed air are hazardous. Make certain the air stream is directed away from user and other personnel in
the area. To prevent injury, user must wear protective goggles or face shield when using compressed air.
Washing oil seals, electrical cables and flexible hoses with dry cleaning solvents or mineral spirits will cause serious damage or
Check flow of fuel through fuel filter
(a) If fuel flows freely without air
bubbles, go to Step 2 of this fault.
(b) If air is in fuel lines, check for air
leaks then bleed system