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 1363 of 1393
INSTALLATION (M939/A1)
NOTE
All male threads must be wrapped with antiseize tape before installation.
1.
Connect pressurization valve (Figure 4, Item 22) on crankcase breather (Figure 4, Item 3) with hose
(Figure
4,
Item
2) and two clamps (Figure 4, Item 1).
2.
Install pressurization valve bracket (Figure 4, Item 23) on rocker lever cover (Figure 4, Item 4) with lockwasher
(Figure 4, Item 31) and screw (Figure 4, Item 30).
3.
Connect power steering pump hose (Figure 4, Item 13) to pressurization valve connector (Figure 4, Item 14).
4.
Install power steering pump hose (Figure 4, Item 13) on radiator support bracket (Figure 4, Item 10) and bracket
(Figure 4, Item 9) with clamp (Figure 4, Item 11), screw (Figure 4, Item 12), and locknut (Figure
4,
Item
8).
5.
Connect pressurization hose (Figure 4, Item 6) and vent hose (Figure 4, Item 5) to pressurization valve
connectors (Figure 4, Item 7).
6.
Install crankcase breather tube (Figure 4, Item 15) on pressurization valve elbow (Figure 4, Item 27) with hose
(Figure 4, Item 17) and two clamps (Figure 4, Item 16).
NOTE
Perform Step (7) for vehicles equipped with positive crankcase ventilation system.
7.
Install crankcase vent tube (Figure 4, Item 32) on pressurization valve elbow (Figure 4, Item 34) with hose
(Figure 4, Item 35) and two clamps (Figure 4, Item 33).
8.
Connect supply hose (Figure 4, Item 20) to pressurized valve adapter (Figure 4, Item 21).
9.
Install control cable (Figure 4, Item 26) on nut (Figure 4, Item 28) and tighten screw (Figure 4, Item 29).
10.
Install control cable (Figure 4, Item 26) on fording cable bracket (Figure 4, Item 24) with clamp
(Figure
4,
Item
19), two screws (Figure 4, Item 18), and locknuts (Figure 4, Item 25).
TM 9-2320-272-23-4
0769
0769-8
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