TM-9-2320-272-23-3
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 3 OF 5
SEPTEMBER 2012
TM-9-2320-272-23-3 - Page 330 of 1469
MAIN PRESSURE AND GOVERNOR PRESSURE TEST - Continued
14.
Operate engine at 1,200 ± 25 rpm and note pressure reading on pressure gauge (Figure 6, Item 3). If pressure
is not 180 to 205 psi (1,241 to 1,413 kPa), repair transmission (Figure 6, Item 1) as necessary.
15.
Stop engine and place transmission shift lever in N (neutral).
16.
Disconnect pressure gauge (Figure 6, Item 3) and hose (Figure 6, Item 4) from main pressure port
(Figure 6, Item 7) on left side of transmission (Figure 6, Item 1).
M7015DAA
1
2
3
4
6
7
5
Figure 6.
Main Pressure and Governor Pressure Test.
TM 9-2320-272-23-3
0374
0374-11
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