TM 5-3805-291-23-1
STEERING SYSTEM TESTS, INSPECTIONS, AND ADJUSTMENTS - CONTINUED
0016 00
PISTON PUMP (STEERING) HIGH PRESSURE STALL TEST AND ADJUSTMENT - CONTINUED
N OT E
Steering system pressure shouldbe 3,050 75 psi (20,865 515 kPa).
Adjust pressure and flow compensator valve if steering system pressure is not correct.
9.
Record reading on pressure gage.
10.
With assistance, lower bucket and any attachment to ground and stop engine (TM 5-3805-291-10).
WAR N I N G
Before operating the machine, secure the steering frame lock in the stowed position. DO NOT operate
machine with steering frame lock connected. Failure to lock steering frame lock into the stowed position
before operating can result in loss of steering and injury or death to personnel.
11.
Secure steering frame lock in stowed position (TM 5-3805-291-10).
12.
Remove test stand from pressure tap (1).
ADJUSTING PRESSURE COMPENSATOR VALVE
0016 00
N OT E
If adjusting pressure compensator spool in steering pump's pressure and flow compensator valve, perform
Piston Pump (Steering) High Pressure Stall Test and Adjustment procedure in this work package again.
1.
Remove cover (2) from adjustment screw (3) on pressure and flow compensator valve (4). Loosen locknut (5).
N OT E
One turn of adjustment screw equals approximately 406 psi (2,800 kPa).
Steering system pressure shouldbe 3,050 75 psi (20,865 515 kPa).
2.
Turn adjustment screw (3) clockwise to increase high pressure stall. Turn adjustment screw counterclockwise to
decrease high pressure stall.
3.
Tighten locknut (5) to 150 26 lb-in. (17 3 Nm).
4.
Install cover (2) on adjustment screw (3).
483-1522
0016 00-3
