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TM 9-2320-364-34-2
12-4
12-2. STEERING SYSTEM HYDRAULIC ADJUSTMENT (CONT).
Do not allow loading valve to
remain closed longer than 10
seconds or damage to equipment
may result.
(8)
Slowly close load valve on flow meter.
(a)
If 3,000 psi 150 psi (20,685 kPa
1,034 kPa) are not present when
valve is fully closed, go to Step (9).
(b)
If 3,000 psi 150 psi (20,685 kPa
1,034 kPa) are present, steering pump
adjustment is OK, go to Step (15).
(9)
Shut OFF engine.
Outside hydraulic pump
control set screw is factory set
and non-adjustable at any level
of maintenance.
Adjustment of outside
hydraulic pump control set
screw could result in damage
to truck hydraulic system and
components. Adjust inside
hydraulic pump control set
screw only.
(10)
Loosen nut (6) on inside hydraulic pump
control set screw (7).
NOTE
Turning hydraulic pump control set screw to the right will increase pump output pressure
and turning to the left will decrease pump output pressure. Each full turn will change the
output pressure about 330 psi (2,275 kPa).
(11)
Turn set screw (7) and adjust steering pump (8) output pressure to 3,000 psi 150 psi (20,685 kPa 1,034
kPa).
(12)
Tighten nut (6) on set screw (7).
(13)
Start engine.
(14)
Verify pressure and make necessary adjustments. Refer to Steps (6) through (13).
(15)
Shut OFF engine.
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