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 899 of 926
TM 9-2320-283-20-1
COOLING SYSTEM.
3-67.
FAN CLUTCH DRIVE BELTS REPLACEMENT (Continued).
LOCATION/ITEM
ACTION
REMARKS
C.
ADJUSTMENT.
10
Screw (7) and
Adjust until belt tension is
Loosen three items (6),
two belts (4)
120 lb-ft for new belts or
if not already done.
100 lb-ft for used belts as
Make sure item (8) is
measured with belt tension
loose during adjustment.
Gage.
Used belts are those
that have more than
1,000 miles of use.
11
Three screws (6)
Torque to 70-85 lb-ft.
12
Two belts (4)
Recheck tension using belt
Belt tension should be
tension gage
the same as measured in
step 10 If not, repeat
steps 10, 11, and 12.
13
Nut (8)
Tighten with holding item
1(7).
NOTE
Follow-on maintenance action required:
None.
3-382
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