TM-9-2320-285-10
TRUCK TRACTOR, YARD TYPE, 43,500 LB GVW, DED, 4X2, ARMY MODEL M878A1
TECHNICAL MANUAL; OPERATOR’S MANUAL
JUNE 1985
TM-9-2320-285-10 - Page 49 of 121
TM 9-2320-285-10
2-12.
PREVENTIVE MAINTENANCE CHECKS AND SERVICES (Continued)
Table 2-1.
Operator PMCS (Continued)
B - Before
D - During
A - After
W - Weekly
M - Monthly
INTERVAL
ITEM TO BE INSPECTED
ITEM
PROCEDURE:
Check for and have repaired,
Equipment is Not
NO
B
D
A
W
M
filled, or adjusted as neededReady/Available If:
6
AIR RESERVOIRS
WARNING
Do not operate tractor if
AIR PRESS gage reading is
less than 60 PSI. This is
the minimum safe pressure
for operation of the ser-
vice brakesOperating
tractor when AIR PRESS gage
indicates less than 60 PSI
could cause serious injury
or death and extensive
property damage due to loss
of braking power.
•
Check for leaks and damage Check
Reservoir or lines
for loose or damaged air lines
leaking.
and fittings.
•
Open petcock to drain water from
Petcock damaged or
service tank (Ref page 3-30)
inoperative.
NOTE
During hot days, drain as
often as several times
daily.
7
HYDRAULIC RESERVOIR
WARNING
Do not remove breather cap
when hydraulic oil is hot.
Hot oil can cause severe
injury.
2-29
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