Filter
Top Products
Problem
Cause
Solution
ow pressure and/or Worn or wrong size tip.
Replace with tip of proper size.
Dump runs rough
Inlet filter clogged.
Clean, Check more frequently.
Worn packings, abrasives in water or
Check filter. Replace packings. See PUMP SERVICE.
natural wear.
Inadequate water supply.
Check water flow rate to pump.
Coupling slippage.
Tighten or replace.
Fouled or dirty inlet or discharge valves.
Clean inlet and discharge valve assemblies. Check
Even a small particle can cause the valve
filter.
to stick.
Restricted inlet.
Check garden hose, may be collapsed or kinked.
Worn inlet or discharge valves.
Replace worn valves.
Leaking high pressure hose.
Replace high pressure hose.
Nater leakage from Worn packings.
Install new packings. See PUMP SERVICE.
Jnder pump manifold
Nater in pump
Humid air condensing inside crankcase.
Change oil as specified in MAINTENANCE.
Worn packings.
Install new packings. See PUMP SERVICE.
Oil seals leaking.
Install new oil seals. See PUMP SERVICE.
Frequent or Scored, damaged or worn plungers.
Install new plungers. See PUMP SERVICE.
premature failure of
the packings
Abrasive material in the fluid being
Install proper filtration on pump inlet plumbing.
pumped.
Inlet water temperature too high.
Check water temperature; may not exceed 160°F.
Overpressurizing pump.
Do not modify any factory-set adjustments. See
EQUIPMENT MISUSE HAZARD.
Excessive pressure due to partially
Clean or replace tip. See Installing and Changing
plugged or damaged tip.
Spray Tips.
Pump running too long without spraying.
Never run pump more than 10 minutes without
spraying.
Running pump dry.
Do not run pump without water.
Strong surging at the
Foreign panicles in the inlet or discharge
Clean or replace valves. See PUMP SERVICE.
,nlet and low pressure
valve or worn inlet and/or discharge valves.
cn the discharge side
Unit will not start Unit not plugged in.
Check power cord.
Electrical service off/GFCl activated.
Check fuse/circuit breaker. Check for proper
grounding.
Thermal overload has tripped.
Press reset button on motor.
Chemical injector will
Chemical injector clogged.
Disassemble chemical valve and clean chemical
not siphon
hose and filter.
Adjustable nozzle completely closed.
Turn control ring on nozzle clockwise to cause drop
in pressure.
Low chemical level.
Check level of chemical.
WARNING
To reduce
the risk of serious bodily injury, including fluid injection, splashing in the eyes or onthe skin, or injury from
moving parts, always follow the
Pressure Relief Procedure Warning
before proceeding.
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