TM 5-3895-379-23-1
0209
REVERSE MAIN RELIEF VALVE PRESSURE TEST - Continued
4.
Loosen adjuster locknut (Figure 3, Item 3) on Pressure Override Relief (POR) valve (Figure 3, Item 2).
5.
Turn adjuster (Figure 3, Item 4) clockwise one-half turn. Tighten locknut (Figure 3, Item 3).
6.
Start and run engine at HIGH idle.
NOTE
Maximum pressure should be 6,525 200 psi (45,000 1 380 kPa).
7.
Move propel control lever to the full reverse position (TM 5-3895-379-10).
8.
If needed, adjust as follows:
a.
Stop engine (TM 5-3895-379-10) and remove valve cap (Figure 3, Item 7).
b.
Remove cartridge (Figure 3, Item 6) and reinstall cap (Figure 3, Item 7) to prevent oil from spilling.
c.
Clamp cartridge (Figure 3, Item 6) in a soft-jawed vice.
d.
Loosen locking setscrew (Figure 3, Item 8).
NOTE
One full turn equals 638 psi (4,400 kPa).
e.
Turn spindle (Figure 3, Item 5) to adjust pressure: clockwise to increase pressure, counterclockwise to
decrease pressure.
f.
Tighten locking setscrew (Figure 3, Item 8).
g.
Remove cartridge (Figure 3, Item 6) from soft-jawed vice and install on propel pump (Figure 3, Item 1).
h.
Install cap (Figure 3, Item 7).
9.
Start engine (TM 5-3895-379-10) and check pressure at tap (Figure 2, Item 8).
10.
Stop engine (TM 5-3895-379-10).
11.
Readjust POR valve (Figure 3, Item 2) by turning adjuster (Figure 3, Item 4) clockwise one-half turn.
0209-4
03/15/2011Rel(1.8)root(maintwp)wpno(M00147)