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 TM 9-2320-279-20-1
Cooling System Maintenance Instructions (Cont)
This task covers:
a. Adjustment
b. Follow-on Maintenance
INITIAL SETUP
References
Models
None
All
Test Equipment
Equipment Condition
None
TM or Para
Condition Description
Special Tools
TM 9-2320-279-10 Shut off engine.
Gage, belt tension J-23600
TM 9-2320-279-10 Engine side panel removed.
Supplies
Special Environmental Conditions
None
None
Personnel Required
General Safety Instructions
MOS 63S, Heavy wheel vehicle mechanic
None
a. Adjustment.
(1)
Loosen nut (1) and washer (2) on pivot
screw (3) under alternator (4).
NOTE
If truck is equipped with 65 amp or 100
amp alternator, perform step (2).
If truck is equipped with 130 amp
alternator, perform step (2.1).
(2)
Loosen adjustment screw (5),
lockwasher (5.1) and washer (5.2) at top
of alternator (4).
(2.1) Loosen adjustment screw (5),
lockwasher (5.1), washer (5.2) and nut
(5.3) at top of alternator (4).
Adjust two belts (6) using belt tension
(3)
gage to 70 to 90 lb (310 to 400 N).
NOTE
If truck is equipped with 65 amp or 100
amp alternator, perform step (4).
If truck is equipped with 130 amp
alternator, perform step (4.1).
(4)
Tighten washer (5.2), lockwasher (5.1),
and adjustment screw (5) at top of
alternator (4).
(4.1) Tighten nut (5.3), washer (5.2),
lockwasher (5.1), and adjustment screw
(5) at top of alternator (4).
Change 5
6-46.1/(6-46.2 blank)
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