TM 5-3805-290-23-1
HYDRAULIC SYSTEM TESTS, INSPECTIONS, AND ADJUSTMENTS - CONTINUED
0017 00
PISTON PUMP PRESSURE TEST AND ADJUSTMENT - CONTINUED
4.
Pump Pressure Cutoff Adjustment.
a.
Loosen locknut (8).
b.
Rotate adjusting screw (9) clockwise to increase
pump cutoff pressure, or rotate adjusting screw
counterclockwise to decrease pump cutoff pres-
sure.
c.
Tighten locknut (8).
d.
Repeat step 3 to verify correct pump cutoff pres-
sure.
e.
When pump pressure cutoff is correct, stop
engine (TM 5-3805-290-10). Remove all diag-
nostic equipment.
427-B0957
5.
Margin Pressure.
N OT E
Only perform this test if standby pres-
sure is not correct. Perform standby
pressure test before performing margin
pressure test.
a.
Connect pressure gage to hose.
b.
Connect other end of hose to test port (2) for pis-
ton pump (1) signal pressure.
427-B0958
0017 00-6
