TM 9-2320-273-20
Table 3-1. Unit Level Preventive Maintenance Checks and Services M915-M920
Item
No.
8
9
10
Interval
Semi-
Annual
Semi-
Annual
Semi-
Annual
Item To Be
Inspected
Cab, En
gine,
Front/
Rear Light
Wiring
Harness
Alternator
and
En
gine
Mount
Battery
Electrical
System
Procedure
Check all wiring harnesses for frays, splits,
missing insulation or poor connections.
Replace any worn wiring.
Inspect alternator mounting for looseness.
Inspect bracket and attaching hardware for
cracks, bends, and loose mounting.
NOTE
Refer to TM 9-61 40-200-14for more spe-
cific details on battery maintenance.
a. Inspect battery box for corrosion and
debris.
b. Clean slave receptacle and coat with
corrosion preventive compound.
c. Check and record specific gravity of
each cell.
d. Inspect battery cables for frays, splits,
and looseness.
Not Mission
Capable If:
Insulation missing.
Frays, splits, poor
connections
evi-
dent.
Loose mounting,
cracks, or bends evi-
dent.
a. Corrosion that
has made holes in
metal battery box.
b. Terminals cor-
roded.
c. If cell is below
1.225 specific grav-
ity.
d. Cables frayed,
split, or loose.
Change 4 3-10.1
