TM-9-2320-283-34-1
TRUCK TRACTOR, LINE HAUL, 50,000 GVWR, 6X4, M915A1
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
DECEMBER 1983
TM-9-2320-283-34-1 - Page 611 of 624
TM 9-2320-283-34-1
TRANSMISSION.
3-57.
TRANSMISSION OIL PRESSURE TEST (Continued).
LOCATION/ITEM
ACTION
REMARKS
A.
LUBRICATION OIL PRESSURE TESTING.
1.
Plug (4).
Remove from item (5).
2.
Gage (1) and hose (2).
Connect to item (5).
Use 1/8 pipe thread hose
connection.
WARNING
Make sure all personnel are clear from underside and front of vehicle before
starting engine.
Transmission slipping into gear could cause severe injury or
death.
3.
Engine.
a.
Start and check connec-
Refer to TM 9-2320-283-10.
tions for leaks.
b.
Bring transmission oil to
Normal range is between
normal operating temperature.
120
°
and 220
°
F.
c.
Operate engine at 1900 rpm.
Transmission in neutral.
4.
Gage (1).
Check pressure.
Pressure should be 30-50 psi.
5.
Engine.
Stop.
6.
Gage (1) and hose (2)
Disconnect from item (5).
7.
Plug (4).
Install in item (5).
Torque to 4-5 lb-ft.
B.
MAIN OIL PRESSURE TEST.
8.
Plug (4).
Remove from item (3).
9.
Gage (1) and hose (2).
Connect to item (3).
Use 1/8 pipe thread hose
connection.
3-558
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