TROUBLESHOOTING CHART
WARNING
To reducethe risk of serious bodily injury, Includingfluid injection, splashinginthe eyesor on the skin, or injury frommoving parts, always follow the Pressure Relief Procedure Warning beforeproceeding.
I | PROBLEM |
| CAUSE |
| SOLUTION | |
Low pressure andlor Wom or wrong sizetip. | Replace wiihtip of proper size. |
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IpumpNnS rough InletIfilter clogged. | Clean. Check more frequently. |
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| Wornpackings, abrasivesinwater M | Check fitter.Replace packings. See PUMP SERVICE. | ||
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| natural wear. |
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| Inadequate water supply. | Check water flow rateto pump. Unit must havea | ||
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| mlnimum55 gallon float valve controlled water holding | ||
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| Belt slippage. | tank. |
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| Tighten or replace. |
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| Fouled ordirty inlet or discharge valves. | Cleaninlet and discharge valve assemblies. Check | ||
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| Evena small particle cancause the valve | filter. |
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| to stick. |
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| Restricted inlet. | Check garden hose, maybe collapsed or kinked. | ||
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| Worn inlet or discharge valves. | Replace wom valves. |
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| 1Leaking high pressure hose. . . . |
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Water leakage from | ReDlace hioh DreSSure hose. |
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| Wom packings. | Install new packings.See PUMP SERVICE. | ||||
underwmov - r manifold~~~ |
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Water inpump |
| Humid air condensing inside crankcase. | Changeoil as specifiedin MAINTENANCE. | |||
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| Worn packings. | Install new packings.See PUMP SERVICE. | ||
Frequent or |
| Oilseals leakino. | Installnew oil seals. See PUMP SERVICE. | |||
| Scored. damaged or wom plungers. |
| ~ e PUMPe | ~~~~ | ||
prematurefai'ure Of |
| instali new plungers. | SERVICE. | |||
the packings | I | Abrasive materialinthefluidbeing pumped. Install proper flltraiion on pump inlet plumbing. | ||||
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| Inlet water temperaturetoo high. | Check water temperature; may notexceed 1 W " | |||
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| Overpressurizing pump. | Do not modify any | |||
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| IEQUIPMENT MISUSEHAZARD. | |||
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| tip. See Installingand Changlng Spra) | ||
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| Excessive pressure dueto parilally plugged or replace | |||
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| or damagedtip. | Neverrunpumpmore than 10minutes wiihout sprayin( | ||
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| Pumprunningtoo longwithout spraylng. | |||
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| Running pump dry. | Do not run pump without water. | ||
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Strong surging at theForeign particlesinthe inletMdischarge Clean or replace valves.See PUMP SERVICE. inlet and low pressurevalve or wom Inlet and/or discharge valves.
on the discharge side
IUnit willnot start | Unit not plugged in. |
| Electrical sewice off/GFCi activated. |
| Thermal overload has tripped. |
Check powerwrd.
Check fuse/clrcuiI breaker. Check for proper grounding.
Press resetb m non motorfor 1 phase units. Press stop button on the mdor siarter3forphase unih.
