Craftsman 580.752921 Operator's Manual page 24

Problem Cause Correction
Pump has foJiowingprobJerns:
failure to producepressure,
erratic pressure, chattering, loss
of pressure, low water volume.
Detergent fails to mix with spray.
EnginewiJl not start; startsand
runs roughor shutsdown during
operation.
Engine lacks power.
1. Low pressure spray tip installed.
2. Water inlet is blocked.
3. Inadequatewater supply.
4. Inlet hose is kinked or leaking.
5. Clogged inlet hose screen.
6. Water supply is over 100%.
7. High pressure hose is blocked or
leaks.
8. Spray gun leaks.
9. Spray tip is obstructed.
10. Pump is faulty.
.
2.
3.
4.
Detergentsiphoning tube is not
submerged.
Detergentsiphoning tube is clogged
or cracked.
High pressure spray tip installed.
Detergentsiphoning check ball
stuck.
1. Engine rocker switch set to off (0 or
Off) position.
2. Low oil level.
3. Dirty air cleaner.
4. Out of fuel.
5. Stale fuel.
6. Spark plug wire not connected to
spark plug.
7. Bad spark plug.
8. Water in fuel.
9. Excessively rich fuel mixture.
Dirty air filter.
1. Replacewith high pressure spray tip.
2. Clear inlet.
3. Provide adequate water flow.
4. Straighten inlet hose, patch leak.
5. Checkand clean inlet hose screen.
6. Provide cooler water supply.
7. Clear blocks in outlet hose.
8. Replace spray gun.
9. Cleanspray tip.
10. Contact Sears service facility.
.
2.
3.
4.
insert detergent siphoning tube into
detergent.
Cleanor replacedetergent siphoning
tube.
Replacewith low pressure spray tip.
Freedetergent siphoning check ball.
1. Set engine rocker switch to on (I or On)
position.
2. Fill crankcase to proper level.
3. Cleanor replaceair cleaner.
4. Fill fuel tank.
5. Drain fuel tank; fill with fresh fuel.
6. Connectwire to spark plug.
7. Replace spark plug.
8. Drain fuel tank; fill with fresh fuel.
9. Contact local service facility.
Replace air filter.
24