Doosan DL160, Руководство по эксплуатации и обслуживанию

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OP000756
4-77
Inspection, Maintenance and Adjustment
Steering Pump Pressure
1. Attach gauge to (Port 4, Figure 107).
2. Adjust relief valve cartridge on steering valve (Figure 113).
Cartridge must be adjusted to open at 170 - 175 kg/cm
2
(2420 - 2490 psi).
3. Remove plug and washer (Figure 114). Adjust screw that
is located beneath plug. Turn screw clockwise to raise
relief pressure. Turn screw counterclockwise to lower relief
pressure.
4. Install plug and washer after pressure has been adjusted.
Pilot Control Valve Lever (Joystick)
Activation Pressure
1. Loosen lock nut on adjusting screw of pilot relief cartridge
(Figure 116). Turn adjusting screw clockwise to raise relief
pressure. Turn adjusting screw counterclockwise to lower
relief pressure.
2. Relief pressure should be set at 37.0 ±3 kg/cm
2
(526 ±43
psi).
3. Tighten lock nut after adjustment has been made.
Figure 113
Figure 114
Figure 115
Figure 116