TM-9-2320-361-24-1
2-1/2 TON, 6X6, M44A2 SERIES TRUCKS
TECHNICAL MANUAL; FIELD AND SUSTAINMENT MAINTENANCE PART 1 OF 2
AUGUST 2006
TM-9-2320-361-24-1 - Page 5 of 1176
warning c
TM 9-2320-361-24-1
WARNING SUMMARY (Contd)
• Compressed air used for cleaning must not exceed 30 psi (207 kPa). Wear goggles/face shield and
gloves when cleaning with compressed air. Failure to do so may result in injury to personnel.
• Do not remove inlet hose and outlet hose when engine is hot. Failure to comply may result in
injury to personnel.
• All personnel must stand away from engine during crank test. Wear eye protection during crank
test. Failure to stand clear and wear eye protection may cause injury or death to personnel.
• Discharge valve internal spring is compressed in cap. Eye protection must be worn when removing
screws and cap from valve housing. Failure to do this may cause injury to personnel.
• Eye protection must be worn during spring and cap installation. Failure to do this may result in
injury to personnel.
• Stay clear of drive gear area during inspection of input drive shaft seal when engine is operating.
Failure to stay clear of drive gear area may result in injury to personnel.
• Ensure engine compartment is free of all tools and working materials before starting engine.
Failure to do so may result in damage to equipment and injury to personnel.
• Do not perform engine coolant heater testing while smoking or within 50 feet of sparks or open
flames. Fuel is flammable and can explode easily causing injury or death to personnel and damage
to equipment.
• Allow time for heater to cool before removing from test equipment. Failure to do so may result in
injury to personnel or damage to equipment.
• Keep hands clear of supported engine during placement of engine mounts. Failure to do so may
result in injury to personnel.
• Hand protection must be worn during nut retightening. Engine surface is hot and can cause injury
to personnel.
• Diesel fuel is flammable. Do not perform fuel system procedures near open flames. Injury or death
to personnel may result.
• Before performing fuel system procedures, allow engine to cool. Failure to do so may result in
injury or death to personnel.
• Flywheel is heavy. Use care when removing flywheel. Failure to do so may result in injury to
personnel.
• Do not put fingers between frame and engine support. Jack failure may result in injury to
personnel.
• Do not perform fuel burning personnel heater testing while smoking or within 50 feet of sparks or
open flame. Fuel is flammable and can explode, causing injury or death to personnel and damage
to equipment.
• Eye protection is required during inspection of fuel injection pump and drive gear input shaft seal
with engine operating. Oil may spray or splash from gear area. Failure to wear eye protection may
result in injury to personnel.
• There is enough fuel pressure to penetrate skin when removing injector tubes. Wear hand
protection at all times when removing injector tubes. Failure to do so may result in injury to
personnel.
• Ensure fuel shutoff valve is OFF and remove throttle cable before cranking engine. Failure to do so
may result in injury to personnel.
• Eye protection is required when performing fuel system troubleshooting checks. Failure to wear
eye protection may result in injury to personnel.
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