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Troubleshooting
308395D 9
Troubleshooting
Problem Cause Solution
No pressure on gauge, or low pres-
sure on gauge
Hydraulic power supply malfunction
or mis-adjustment
Adjust the hydraulic power supply. If
the problem remains, refer to the
hydraulic power supply instruction
manual.
Pressure reducing valve is backed
out
Adjust the pressure reducing valve.
Can’t adjust pressure with the pres-
sure reducing valve
Clogged valve Clean the pressure reducing valve.
Insufficient hydraulic power supply
pressure
Adjust the hydraulic power supply
pressure. If problem remains refer
to the hydraulic power supply
instruction manual.
Gauge will not re-zero with the
hydraulic supply and return line
shutoff valves closed
Leak in the supply line shutoff valve
(G)
Open the return line shutoff valve
(E) to remove pressure.
Damaged gauge Replace gauge.
Pump runs away Contaminated flow control valve Remove and clean the flow control
valve.