TM 5-3805-248-23-2
SUPPLEMENTAL STEERING PUMP REPAIR - CONTINUED
0379 00
ADJUSTMENT - CONTINUED
9.
Remove acorn nut (54) from side of valve body (4).
10.
Loosen locknut (52).
NOTE
With the pump shaft at 1,600 RPM, the output from the rear pump section must completely stop. The oil
from the pump outlet must be 33.5 gal/min (127 l/min) with pump at 1,600 RPM at a pressure of 100 psi
(690 kPa).
11.
Tighten locknut (52).
12.
Install acorn nut (54) and torque to 85 lb-ft (115 Nm).
13.
Remove flow meter from supplemental steering pump.
TESTING
NOTE
The following procedure is for bench-top testing of supplemental steering pump.
1.
Use adequate power drive to turn front drive gear (33) counterclockwise.
2.
Record supplemental steering pump output flow. Record output flow "A" at 500 psi (3,447 kPa) and 2,000 RPM.
Record output flow "B" at 1,500 psi (10,342 kPa) and 2,000 RPM.
3.
Equate the flow loss of the supplemental steering pump by using the following formula:
Output Flow "A" - Output Flow "B" x 100 = Flow loss
Output Flow "A"
Output flow must equal 10 or less.
65
67
OUTLET PORT
52
33
FRONT TEST PORT
54
63
REAR TEST PORT
4
4.
Install supplemental steering pump (WP 0307 00).
5.
Operate machine and verify correct operation of supplemental steering pump (TM 5-3805-248-10)
END OF WORK PACKAGE
0379 00-22
