TM 5-3805-290-23-1
HYDRAULIC SYSTEM TESTS, INSPECTIONS, AND ADJUSTMENTS - CONTINUED
0017 00
PISTON PUMP PRESSURE TEST AND ADJUSTMENT - CONTINUED
d.
Start engine (TM 5-3805-290-10).
e.
Raise lift arms and move work tool fully to TILT BACK position (TM 5-3805-290-10). Hold work tool against
stops.
f.
Observe signal oil pressure on pressure gage. Pressure should be 3,450 50 psi (23,750 350 kPa).
(1)
If signal oil pressure is correct, tilt work
tool forward until level to ground. Lower
lift arms to ground. Stop engine (TM 5-
3805-290-10). Remove test equipment.
(2)
If pressure is not correct, adjust signal
limiter valve (3). Pressure should be
3,450 50 psi (23,750 350 kPa).
Loosen locknut (4). Rotate adjusting
screw (5) clockwise to increase pressure.
Rotate adjusting screw counterclockwise
to decrease pressure. Tighten locknut.
Repeat procedure until pressure is within
tolerances.
(3)
When signal oil pressure is correct, tilt
work tool forward until level to ground.
Lower lift arms to ground. Stop engine
Remove
test
equipment.
427-B0955
0017 00-4