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 731 of 1469
ADJUSTMENT
1.
Loosen setscrew (Figure 2, Item 4) on valve lever (Figure 2, Item 1) and position valve lever parallel with valve
body (Figure 2, Item 2). Tighten setscrew.
2.
Position valve body (Figure 2, Item 2) on parking brake bracket (Figure 2, Item 3). Valve lever
(Figure
2,
Item
1) must be parallel with cab floor. If not, repeat Step (1).
M10324DAA
1
2
3
4
Figure 2.
Spring Parking Brake Valve Adjustment.
END OF TASK
INSTALLATION
NOTE
•
If new spring parking brake valve is being installed, use fittings from old valve.
•
Wrap all male pipe threads with antiseize tape before installation.
1.
Install valve body (Figure 3, Item 1) on parking brake bracket (Figure 3, Item 7) with two screws
(Figure
3,
Item
2), washers (Figure 3, Item 10), and locknuts (Figure 3, Item 9). Valve lever roller
(Figure
3,
Item
11) must be aligned with parking brake lever (Figure 3, Item 8).
2.
Lift up parking brake lever (Figure 3, Item 8). Ensure parking brake lever (Figure 3, Item 8) contacts valve lever
roller (Figure 3, Item 11) properly and release parking brake lever (Figure 3, Item 8).
TM 9-2320-272-23-3
0431
0431-4
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