Troubleshooting Guide
Hydraulic Problems
4
4-8
HDSdoc030722
Troubleshooting Guide
You Can Get Response From
the Pump By Actuating All
But One or Two Handles
Valve assembly switch
contacts are not properly
adjusted
Locate the valve switch at the
bottom of the valve assembly.
Use a 3MM allen wrench to
loosen the set screw on each
of the five switch contacts.
Press each contact to the
valve block and tighten the
contact set screw to secure in
place.
CAUTION!
Do not
overtighten!
NOTE:
Do not adjust the
valve switch or switch spring;
they have been preset at the
factory.
