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Page Title: Table 1. Unit Preventive Maintenance Checks and Services (PMCS) for the M878A2 Yard Tractor cont'd
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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
Lubricate fitting on each side of fifth wheel
11
Semiannual
Fifth Wheel
frame sub-assembly pivot with GAA grease
Frame Sub-
(Item 30, WP 0165 00).
Assembly
Pivot Bush-
ings
FIFTH WHEEL FRAME
GAA
SUB-ASSEMBLY
NOTE
Item number checks 13 through 19 should be performed while testing oper-
ation of tractor.
13
Semiannual
Starter
While starting tractor, listen for unusual
noises and difficult cranking of starter.
a. Listen for unusual noises, hesitation, and a. Accelerator pedal is sticking or
14
Semiannual
Engine and
varying idle speed. Observe accelerator
binding.
Instrument
response.
Panel
b. Ensure that engine does not exceed maxi-
mum governed speed (2400 rpm).
c. Check instrument panel for proper opera-
tion of all switches, gauges, indicators, and
warning lights and alarm (TM 9-2320-312-
10).
Check vehicle response to steering wheel Steering wheel binds or is shim-
15
Semiannual
Steering
action. Tractor should respond quickly. With mying. Tractor pulls or wanders.
tractor on straight level ground, lightly hold
steering wheel to check for pull or wander.
0009 00-10
Change 1

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