TM-9-2320-283-34-2
TRUCK TRACTOR, LINE HAUL, 50,000 GVWR, 6X4, MQ15A1
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
DECEMBER 1983
TM-9-2320-283-34-2 - Page 224 of 570
TM 9-2320-283-34-2
BRAKE SYSTEM.
3-83. AIR COMPRESSOR GOVERNOR ADJUSTMENT (Continued).
LOCATION/ITEM
ACTION
REMARKS
1. Engine.
Start and operate.
Refer to TM 9-2320-283-
10.
2. Gage (1 or 2).
Observe pressure when item
(6) cuts out, stopping com-
Cutout pressure should be
between 122-128 psi. If
pression of air by item (7).
pressure is correct, skip
steps 3 thru 9 and go to
step 10. If pressure is
too high or too low, go
to step 3.
3. Engine.
Shutdown,
Refer to TM 9-2320-283-
10.
WARNING
To avoid injury, do not work in engine
compartment with engine running.
4. Cover (3).
Remove from items (4) and
(6).
5. Nut (5).
6. Screw (4).
Loosen, but do not remove.
a. To raise cutout pressure,
One-half turn will change
turn counterclockwise.
pressure about 5 psi.
To lower cutout pressure,
turn clockwise.
b. Repeat steps 1 and 2 after When cutout pressure is
each adjustment.
correct, shutdown engine
and go to step 7.
7. Nut (5).
While holding item (4),
tighten item (5).
8. Cover (3).
9. Engine.
Install on items (4) and (6).
Start and operate.
Refer to TM 9-2320-283-
10.
3-780
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