9824111
Troubleshooting
Problem Cause Solution
Frequent or
premature failure of
Scored, damaged, or worn plungers. Install new plungers. See Pump Service on pages
10 and 12.
packings
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).
Overpressurized pump
(70 C).
Do not modify any factory-set adjustments. See
Equipment Misuse Hazard on page 2.
Excessive pressure due to partially
Equipment Misuse Hazard on page 2.
Clean or replace tip. See Installing and Changing
plugged or damaged tip
Pump running too long without spraying
Spray Tips on page 5.
Never run pump more than 10 minutes without
Running pump dry
spraying.
Do not run pump without water.
Strong surging at
inlet, and low
pressure on
discharge side
Foreign particles in the 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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