Daewoo Mega 250-V, Руководство по эксплуатации и техническому обслуживанию

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4-64 Inspection, Maintenance and Adjustment K1000896E Operation and Maintenance Manual
HYDRAULIC PRESSURE CHECKS
Hydraulic pressure for most systems can be
check by using the remote test ports shown in
(Figure 102).
MAIN PUMP PRESSURE
1. Attach gauge to port (1, Figure 102).
2. Relief cartridge for main pump must open
at 200
+5
kg/cm
2
(2,845
+70
psi).
3. Adjust screw on relief valve cartridge
(Figure 103). Loosen lock nut and turn
screw clockwise to raise relief pressure.
Turn screw counterclockwise to lower
relief pressure.
4. Tighten lock nut after pressure has been
adjusted.
UNLOADING VALVE PRESSURE
1. Attach gage to port (2, Figure 102).
2. Relief pressure for unloading is 160 ±5 kg/
cm
2
(2,320 ±70 psi).
3. Adjust screw on unloading cartridge (C1)
(Figure 104).
4. Loosen lock nut on adjusting screw. Turn
adjusting screw clockwise to raise relief
pressure. Turn adjusting screw
counterclockwise to lower relief pressure.
5. Tighten lock nut after adjustment has been
made.
Reference
Number
Description
1 Main Pump Pressure
2 Unloading Valve Pressure
3 Steering Pump Pressure
4 Transmission Clutch Pressure
5 Control Lever Activation
Pressure
6 Brake Charge Pressure
Figure 102
AOO0160L
Figure 103
Figure 104