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 3 of 698

TM 9-2320-285-24-2
WARNING
Never crawl under equipment when performing maintenance unless equipment is blocked
securely. Keep clear of equipment when it is raised or lowered. Do not place any part of body
between movable and fixed elements of the equipment. Don’t allow heavy components to swing
while suspended by lifting device. Use extreme caution when working near a cable or chain under
tension. When using chain hoist to remove or install parts, be sure hoist is securely fastened to
the part and that all slack in chain is taken up. Death or severe injury may result if personnel fail to
observe these safety precautions. If you are hurt by a falling object or chain or cable under
tension, seek medical aid immediately.
WARNING
Be sure chain hoist is securely fastened to heavy tractor components before removing supporting
hardware. Do not allow heavy components to fall freely. Failure to follow these precautions could
cause serious injury due to parts falling on you. If you are injured by falling equipment, seek
medical aid immediately.
WARNING
Battery box lid is heavy. Secure lid in open position to prevent injury from falling lid. If you are
injured, obtain medical aid immediately.
WARNING
Stand out from raised cab unless safety bar is supporting full weight of cab. Keep clear of deck
when raising or lowering cab.
Failure to do so could cause serious injury or death.
WARNING
Personal injury and property damage can result if vehicle is allowed to move during transmission
stall test or hydraulic pressure test. Secure tractor frame to an immovable object, chock all
wheels, and apply service brakes before you accelerate engine. Do not permit anyone to stand in
front of tractor during test.
WARNING
If hydraulic steering system or fuel system connectors or elbows require replacement, discard
hose. If hydraulic steering system hose is reused, hydraulic oil leakage could occur causing loss
of steering control. This in turn could cause serious injury or loss of life. If fuel system hose is
reused, leakage could occur causing a fire hazard.
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