TM-9-2320-285-24-2
TRUCK TRACTOR, YARD TYPE, 43,500 LB GVW, DED, 4X2, ARMY MODEL M878A1
TECHNICAL MANUAL; ORGANIZATIONAL, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL
OCTOBER 1985
TM-9-2320-285-24-2 - Page 2 of 698
TM 9-2320-285-24-2
WARNING
Winterization system heaters operate from 110 Vac commercial power source. Disconnect
winterization system cable from receptacle at front bumper before removing winterization system
heaters. When installing winterization system heaters, be sure you twist together the same color
wire ends. Incorrect wire connections, or exposed wire due to frayed insulation, can cause the
engine and body of tractor to be energized at 110 Vac. Serious injury or death can result from
contact with energized 110 Vac power lines. If you are injured, obtain medical aid immediately.
WARNING
Dry cleaning solvent (P-D-680), used to clean parts is toxic and flammable. Wear protective
goggles and gloves and use only in a well ventilated area. Avoid contact with skin, eyes, and
clothes and don’t breathe vapors. Do not use near open flame or excessive heat and don’t smoke
when using it. Failure to do so could cause serious injury. If you become dizzy while using
cleaning solvent, get fresh air and medical attention immediately. If contact with skin or clothes is
made, flush with large amounts of water. If contact with eyes is made, wash eyes with water and
obtain medical aid immediately.
WARNING
Battery electrolyte is toxic and corrosive. Wear protective goggles and gloves when removing
battery caps and checking electrolyte. Avoid contact with skin, eyes, clothes, and don’t breathe
vapors. Don’t smoke or use an open flame near batteries. Batteries release hydrogen, an explosive
gas, during charging. Failure to follow this procedure could cause serious injury or death due to
batteries exploding.
WARNING
Allow components to cool before removing. Hot oil, steam, and coolant can cause severe injury. If
you are scalded or burned, seek medical aid immediately.
WARNING
Before performing a procedure that requires raising tractor, be sure that tractor is securely
supported by jack stands; if possible, be sure that chain hoist is bearing some of the weight of
vehicle as a safety precaution in the event jack stands collapse. Failure to follow this procedure
could result in serious injury or death due to tractor falling. If you are injured, seek medical aid
immediately.
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