3
5
OVERALL MACHINE
TROUBLESHOOTING
5B0AX00OVERALL MACHINE
4. Check the main relief valve.
Measure the relief pressure of the main relief valve.
valve is normal.
If the pressure of the main relief valve is low, adjust
-
screw.
setscrew by 1/4 turn, the relief valve is faulty.
5. Piston pump is faulty.
If the inside of the pump is excessively worn or dam-
filter.
the suction strainer.
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