Corrective Action - Campbell Hausfeld CP5101 Instrucciones De Funcionamiento Y Manual De Piezas

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Operating Instructions and Parts Manual
General troubleshooting Guide
Symptom
Low pressure and/or pump
runs rough
Water leakage from under
pump manifold
Water in pump crankcase
(milky oil)
Frequent or premature failure
of the pump water seals
Strong surging at the inlet and
low pressure
Oil leakage between the
engine and the pump
Fluctuating pressure
Pressure drops after period of
normal use
10
Possible cause(s)
1. Worn or wrong size nozzle
2. Inlet filter on pump clogged
3. Worn water seals, abrasives in
water, or natural wear
4. Fouled or dirty inlet or discharge
valves
5. Restricted inlet
6. Worn inlet or discharge valves
7. Leaking high pressure hose
8. Pump drawing in air
9. Unloader valve seat faulty or
worn
Worn water seals
1. Humid air condensing inside
crankcase
2. Oil seals leaking
1. Scored damaged or worn
plungers
2. Abrasive material in the fluid
3. Inlet water temperature too high
4. Overpressurizing pump
5. Excessive pressure due to partially
plugged or damaged nozzle
6. Pump running too long without
spraying
7. Pump running dry
Foreign particles in the inlet or
discharge valve or worn inlet and/or
discharge valves
Worn oil seals and/or o-ring
1. Valve worn, dirty or stuck
2. Pump drawing in air
3. Nozzle clogged
1. Worn pump water seals
2. Nozzle worn
3. Valve worn, dirty or stuck
4. Unloader valve seat worn or dirty
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corrective action

1. Replace with nozzle of proper size
2. Clean. Check more frequently
3. Check filter. Replace water seals. See service center
4. Clean inlet and discharge valve assemblies. Check filter
5. Check garden hose, may be collapsed or kinked. Check inlet
water flow
6. Replace worn valves
7. Replace high pressure hose
8. Ensure hoses and fittings are tight
9. Check and replace
Install new water seals. See service center
1. Change oil as specified in maintenance schedule
2. Install new oil seals. See service center
1. Install new plungers. See service center
2. Install proper filtration on pump inlet plumbing
3. Check water temperature; may not exceed 100° F.
4. Do not modify any factory set adjustments
5. Clean or replace nozzle
6. Never run pump more than 1 minute without spraying
7. Do not run pump without water
Clean or replace valves. See service center
Replace oil seals and/or o-ring. See service center
1. Check and replace
2. Ensure hoses and fittings are tight. Purge air from garden hose
3. Check or replace
1. Check and replace
2. Check and replace
3. Check, clean or replace
4. Check, clean or replace
Continued on next page

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