TM 5-3895-379-23
PROPEL AND VIBRATORY VALVE TESTS AND ADJUSTMENTS - CONTINUED
0184 00
FORWARD MAIN RELIEF VALVE PRESSURE TEST - CONTINUED
NOTE
Maximum pressure should be 6525 + 200 psi (45,000 + 1380 kPa).
8.
Move propel control lever to full forward position
12
17
10
(TM 5-3895-379-10).
11
9.
If needed, adjust as follows:
a.
Stop engine (TM 5-3895-379-10) and remove
valve cap (19).
b.
Remove cartridge (20) and reinstall cap (19) to
prevent oil from spilling.
21
c.
Clamp cartridge (20) in a soft-jawed vice.
d.
Loosen locking setscrew (18).
NOTE
One full turn equals 638 psi (4400 kPa).
e.
Turn spindle (21) to adjust pressure: clockwise
19
to increase pressure, counterclockwise to
decrease pressure.
20
f.
Tighten locking setscrew (18).
g.
Remove cartridge (20) from soft-jawed vice
18
401-2024
and install.
h.
Install cap (19) and tighten to specification.
10.
Start engine (TM 5-3895-379-10) and check pressure at tap (9).
11.
Stop engine (TM 5-3895-379-10).
12.
Readjust POR valve (11) by turning adjuster (12) clockwise one-half turn.
13.
Tighten setscrew (5) on needle valve thumbscrew (6).
NOTE
Minimum low pressure is 6327 psi (43623 psi).
14.
If minimum low pressure is not obtainable, there is too much leakage in the internal circuit and pump must be
replaced.
1
3,4
2
5,6
7
8
401-2229
0184 00-4
