TM-9-2320-272-23-4

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 4 OF 5

SEPTEMBER 2012

  TM-9-2320-272-23-4 - Page 982 of 1393

ADJUSTMENT
1.
Remove acorn nut (Figure 2, Item 5) from valve bank (Figure 2, Item 2).
2.
While holding adjusting screw (Figure 2, Item 4), loosen jamnut (Figure 2, Item 3).
3.
Turn adjusting screw (Figure 2, Item 4) until hydraulic pressure gauge (Figure 2, Item 1) reads
1,350
psi
±
25
psi
(9,308 kPa ± 172 kPa).
4.
While holding adjusting screw (Figure 2, Item 4), tighten jamnut (Figure 2, Item 3).
5.
If correct pressure cannot be achieved, notify maintenance.
M10009DAA
1
2
3
4
5
Figure 2.
Pressure Relief Valve Adjustment.
END OF TASK
END OF WORK PACKAGE
TM 9-2320-272-23-4
0705
0705-3/4 blank


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