| Trouble Shooting: |
|
Problem
|
Cause
|
Remedy
|
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Pulsation
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Stuck valve
|
Remove the six 30mm caps from the brass
Pump head and pull out the valves to check For proper one-way flow |
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Low pressure
|
Worn Nozzle Air leak in inlet Plumbing Unloader set on wrong pressure Inlet filter clogged Inadequate inlet water supply Leak on high pressure side of system |
Replace nozzle of proper size
Reseal inlet plumbing Turn Black unloader knob until proper Clean inlet filter Increase inlet water supply Replace high pressure hose |
|
Pump runs rough Pressure very low |
Inlet restriction, or inlet air leak
|
Check for foreign material, & air leak
|
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Water leak under pump
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Worn Packing
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Install new packing
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Oil leak between crankcase And pumping section
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Worn piston rod seal O-ring on plunger retainer worn
|
Replace rod seal and O-ring
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Oil leaking in crankshaft Area
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Worn crankshaft seal or improperly installed O-ring
Bad Bearing
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Replace seals and O-rings Replace Bearing |
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Water in Crankcase
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May be caused by humid air condensing into water Worn packing or piston rod sleeve, O-ring or plunger |
Change oil use 30wt non-detergent Replace packing , replace O-ring |
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Loud knocking noise in Pump
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Broken or worn bearing
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Replace bearing
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Frequent or premature failure of the packing
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Damaged plunger Overpressure to inlet Abrasive material being Pumped Excessive temperature of Inlet fluid Running Pump Dry |
Replace Plunger Lower inlet pressure Install proper inlet filter Reduce temperature of inlet fluid below 120F Do not run without water |