TROUBLESHOOTINGCHART
WARNING
To reducethe riskofseriousbodilyinjury, includingfluid injection, splashingintheeyes or onthe skinor injury from moving parts, always follow the Pressure Relief Procedure Warnlngbefore proceeding.
Problem
Engine willnot start M IS hard to start
Engine misses or lacks power
COW pessure andlor pump runs rough
Water leakagefrom under pump manifold
Water in pump
Frequent or prematurefailure of the packings
Strong surging at the inlet and low pressure 3n the discharge side
Cause
No gasoline infuel tank or carburetor.
Low oil level.
StarVStop switchin Stop position.
Water in gasoline or old fuel.
Lwse or wrong battery connection. Battery not properly charged. Choked improperly. Flooded engine.
Dirty air cleaner filter.
Spark plug dirty, wronggap or wrong type. Spray gun closed.
Partially plugged air cleaner filter.
Spark plug dirty, wronggap or wrong type. lnconecl ignitiontiming.
Worn or wrong size tip. Inlet filter Clogged.
Worn packings, abrasivesin water or natural wear.
Inadequate water suppiy. Belt slippage.
Fouled or dirty inletor discharge valves. Even
asmaii particle cancause the valveto stick. Restricted inlet.
Worn inlet or discharge vaives. Leaking high pressure hose. Wom packings.
Humid air condensing inside crankcase. Worn packings.
Oil seals leaking.
Scored, damagedor wom plungers. Abrasive materialin the fluid beingpumped. Inlet water temperaturetoo high. Overpressurizingpump.
Excessive pressuredue to partially plugged or damaged tip.
Pump running too long without spraying.
Running pump dry.
Foreignparticles in the inlet or discharge valve or wominlet and/ordischargevalves.
Solution
Fill the tank with gasoline, openfuel shut offvalve. Check fuelline and carburetor.
Add to proper level.
Move switch to start position.
Drain fuel tankand carburetor. Use new fueland dry spark plug.
Check and tighten battery connections.
Check electrolyte levelof cells, recharge battery.
Open choke and crank engineseveral times to clear out gas.
Remove and ciean.
Clean, adjust thegap or replace. Trigger spray gun.
Remove and ciean.
Clean. adjust thegap or replace. Time engine.
Replace with tip ofproper size. Clean. Check'more frequently.
Check filter. Replace packingsSee. PUMP SERVICE.
Check water flow rateto pump.
Tighten or replace;USB wrrect belts and replace both at same time.
Clean inlet and discharge valve assemblies. Check filter.
Check gardenhose. may be collapsed or kinked. Replace wom valves.
Replace'highpressure hose.
Install new packings. See PUMP SERVICE.
3hange oil as specified in MAINTENANCE. nStali new packings. See PUMP SERVICE. nstail new oil seals. See PUMP SERVICE.
Install new plungers. See PUMP SERVICE. Install properfiltration on pumpInlet plumbing. Check watertemperature; may not exceed16OOF.
Do not modify
EQUIPMENT MISUSE HAZARD.
Clean or replacetip. See Installingand Changing Spray Tips.
Never run pump more than 10minutes without spraying.
Do not run pump without water.
Clean or replace valvesSee. PUMP SERVICE.
