Troubleshooting Guide
Hydraulic Problems
Troubleshooting Guide HDSdoc041118 4-7
4
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.
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