TM-9-2320-283-20-1
TRUCK TRACTOR, LINE HAUL, 50,000 GVWR, 6X4, M915A1
TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE PART 1 OF 3
DECEMBER 1983
TM-9-2320-283-20-1 - Page 124 of 926
TM 9-2320-283-20-1
Table 2-1.
Unit Level Preventive Maintenance Checks and Services M915A1
Procedures:
Item
Item to be
Not Mission
No.
Interval
Inspected
Capable If:
10
Semi-
Alterna-
a.
Check for loose wiring con-
a.
Loose con-
Annual
tor Wir-
nections or worn insulation.
nections or
ing
and
worn insula-
Engine
tion.
Mount
b.
Inspect for cracked or loose
b.
Cracked or
engine mounts.
loose engine
mounts.
11
Semi-
Radiator
a.
Check core for leaks, clog-
Annual
and
ging, and bent fins.
Hoses
b.
Check hoses for leaks and
deterioration from oil and sol-
vents.
c.
Test coolant (TB 750-651).
d.
If required, drain radiator
and block.
Flush and refill
cooling system with proper an-
tifreeze/water mixture (para-
graph 3-52).
12
Semi-
Cooling
WARNING
Annual
System
If vehicle has been operating,
use extreme care to avoid being
burned when removing cooling
system radiator cap.
Use heavy
rags or gloves to protect
hands.
Turn radiator cap only
one-half turn counterclockwise
and allow pressure to be re-
lieved before fully removing
cap.
NOTE
Coolant level is correct when
sight glass is full (TM
9-2320-273-10).
Change 1
2-11
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