9308572
Troubleshooting
Problem Cause Solution
Packings are failing
frequently or
prematurely.
Scored, damaged, or worn plungers Install new plungers. See Pump Service on pages
10 and 12.
Abrasive material in the fluid being
pumped
Install proper filtration on pump inlet plumbing.
Inlet water temperature too high Check water temperature. It should not exceed 160_F
(70_C).
Overpressurizing pump Do not modify any factory-set adjustments. See
Equipment Misuse Hazard on page 3.
Excessive pressure due to partially
plugged or damaged tip
Clean or replace tip. See Installing and Changing
Spray Tips on page 6.
Pump running too long without spraying Never run pump more than 10 minutes without
spraying.
Running pump dry Do not run pump without water.
There is strong
surging at inlet and
low pressure on
discharge side.
Foreign particles in inlet or discharge
valve, or worn inlet and/or discharge
valves
Clean or replace valves. See Pump Service on pages
10 and 12.
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