COMPRESSION KNOCKS - continued - TM-10-3930-673-20-10791

TM 10-3930-673-20-1

WARNING

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 100F (38C), type II is 138F (50C), and type III is 200F (93.3C). 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.

CAUTION

Washing oil seals, electrical cables and flexible hoses with dry cleaning solvents or mineral spirits will cause serious damage or

destroy materials.

FUEL FLOW

FUEL TRANSFER

H UEL

VISUAL INSPECTION

UMP

OSE

Check flow of fuel through fuel filter

(Para 5-9).

(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

(Para 5-9).

FUEL FILTER

TR01444

2-739