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TM 9-2320-312-24-1
Table 1. Unit Preventive Maintenance Checks and Services (PMCS)
for the M878A2 Yard Tractor - Continued.
LOCATION
EQUIPMENT NOT
ITEM TO
ITEM
READY/AVAILABLE
CHECK/
NO.
INTERVAL
PROCEDURES
IF:
SERVICE
d. Inspect hoses, fittings, valves, and pumps d. Class III leaks are evident.
50
Annual
Hydraulic
of power steering and fifth wheel lift
(Con't)
System
hydraulic system. Check for leaks and
(Power Steer-
secure mounting. Tighten or replace any
ing and Fifth
damaged component.
Wheel Lift)
FIFTH WHEEL LIFT
PUMP - RIGHT SIDE
HYDRAULIC
HYDRAULIC
OF TRANSMISSION
HOSES
HOSES
POWER STEERING
PUMP - LEFT SIDE
OF ENGINE
51
Annual
Brake Pedals
Inspect service brake pedals for free travel,
loose or broken parts or boot deterioration.
Replace if worn or damaged (WP 0064 00).
52
Annual
Front Axle
Check for signs of looseness at U-bolts. If
looseness is noted, remove spring assembly
U-bolt nuts, clean, reinstall, and apply torque
of 450 lb-ft (610 Nm).
Check data plates, decals, and stencils to
53
Annual
Data Plates,
ensure legibility. Replace as required (WP
Decals, and
Stencils
0009 00-26
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