Troubleshooting - Craftsman 580.752050 Operator's Manual

Problem Cause Correction
Pump has following problems:
failure to producepressure,
erratic pressure, chattering, loss
of pressure, low water volume.
Detergentfails to mix with spray.
Engine runs good at no-load hut
"hogs" when lead is added.
Engine will net start; or starts and
runsrough.
1. Low pressure spray tip installed.
2. Water inlet is blocked.
3. Inadequate water supply.
4. Inlet hose is kinked or leaking.
5. Clogged inlet hose strainer.
6. Water supply is over IO0°F.
7. High pressure hose is blocked or
leaks.
8. Gun leaks.
9. Nozzleis obstructed.
1. Replacewith high pressure spray tip.
2. Clearinlet.
3. Provide adequatewater flow.
4. Straighten inlet hose, patch leak.
5. Checkand clean inlet hose strainer.
6. Provide cooler water supply.
7. Clearblocks in high pressure hose or
replace hose.
8. Replacegun.
9. Cleannozzle.
10.
1. "Off" position.
2. High pressure spray tip installed.
Engine speed is too slow.
Pump is faulty. 10.
Detergent shut-off valve is in the 1.
1. Dirty air cleaner.
2. Out of fuel.
3. Stale fuel.
4. Spark plug wire not connected to
spark plug.
5. Bad spark plug.
6. Water in fuel.
7. Excessively rich fuel mixture.
Contact Sears service facility
Rotate detergent shut-off valve to "On"
position.
2. Replacewith low pressure spray tip.
Move throttle control to FASTposition. If
engine still "bogs down", contact Sears
service facility.
1. Cleanor replace air cleaner.
2. Fill fuel tank.
3. Drain fuel tank; fill with fresh fuel.
4. Connectwire to spark plug.
5. Replacespark plug.
6. Drain fuel tank; fill with fresh fuel.
7. Contact Sears service facility.
Engineshuts downduring Out of fuel. Fill fuel tank.
operation.
Enginelacks power. Dirty air filter. Replaceair filter.
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