TM 5-3895-379-23-1
FIELD MAINTENANCE
PRESSURE OVERRIDE RELIEF (POR) VALVE PRESSURE TEST (CB534C)
INITIAL SETUP:
References
Tools and Special Tools
TM 5-3895-379-23P, Figures 7, 75, and 83
Tool Kit, General Mechanic's: Automotive
(Volume 2, WP 0289, Table 1, Item 39)
Gage Differential, Dial Indicating
(Volume 2, WP 0289, Table 1, Item 10)
Equipment Condition
Drums chocked. (TM 5-3895-379-10)
Engine on. (TM 5-3895-379-10)
Personnel Required
Construction Equipment Repairer 91L
PRESSURE OVERRIDE RELIEF VALVE PRESSURE TEST
1.
Disconnect front and rear propel motor brake lines (WP 0218).
2.
Place propel control lever in NEUTRAL position (TM 5-3895-379-10).
3.
Connect pressure gauge to tap (Figure 1, Item 1).
4.
Loosen Pressure Override Relief valve (POR) setscrew (Figure 1, Item 2) and turn needle valve thumbscrew
(Figure 1, Item 3) fully clockwise to close POR valve (Figure 1, Item 4).
1
2, 3
4
M0389SWR
Figure 1. Pressure Override Relief Valve Pressure Test.
03/15/2011Rel(1.8)root(maintwp)wpno(M00148)