Troubleshooting - Craftsman 580.752020 Operator's Manual

Problem Cause Correction
Pump has following problems:
failure to produce pressure,
erratic pressure, chattering, loss
of pressure, low water volume.
Detergent fails to mix with spray.
1. Water inlet is blocked.
2. Inadequatewater supply.
3. Inlet hose is kinked or leaking.
4. Clogged inlet hose strainer.
5. Water supply is over 100°F.
6. High pressure hose is blocked or
leaks.
7. Gun leaks.
8. Nozzle is obstructed.
9. Pump is faulty.
1. Adjustable nozzle is not in low
pressure position.
2. In-line detergent filter is dirty.
3. Turbo nozzle extension installed.
1. Clear inlet.
2. Provide adequatewater flow.
3. Straighten inlet hose, patch leak.
4. Checkand clean inlet hose strainer.
5. Provide cooler water supply.
6. Clear blocks in high pressure hose or
replace hose.
7. Replace gun.
8. Cleannozzle.
9. Contact Sears service facility.
1. Pull adjustable nozzle back to low
pressure position.
2. Flush detergent filter with clean water.
3. Replacewith Adjustable Nozzle Extension
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