Craftsman 580.754890 Operator's Manual page 23

Problem Cause Correction
Pump has following problems:
failure to produce pressure,
erratic pressure, chattering,
loss of pressure, low water
volume.
Detergent faUs to mix with
spray.
Engine will not start; starts
and runs rough or shuts down
during operation.
Engine lacks power.
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 screen.
6. Water supply is over 100°R
7. High pressure hose is blocked
or leaks.
8. Spray gun leaks.
9. Spray tip is obstructed.
10. Pump is faulty.
1. Detergent siphoning tube is not
submerged.
2. Detergent siphoning tube is
clogged or cracked.
3. High pressure spray tip installed.
4. Detergent siphoning check ball
stuck.
1. Engine rocker switch set to
OFF (0) 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.
i
i
i9. Excessively rich fuel mixture.
Dirty air filter.
1. Replace with high pressure spray tip.
2. Clear inlet.
3. Provide adequate water flow.
4. Straighten inlet hose, patch leak.
5. Check and clean inlet hose screen.
6. Provide cooler water supply.
7. Clear blocks in outlet hose.
8. Replace spray gun.
9. Clean spray tip.
10. Contact Sears service facility.
1. Insert detergent siphoning tube into
detergent.
2. Clean or replace detergent
siphoning tube.
3. Replace with low pressure spray tip.
4. Free detergent siphoning check
ball.
1. Set engine rocker switch to ON (I)
position.
2. Fili crankcase to proper level.
3. Clean or replace air cleaner.
4. Fili fuel tank.
5. Drain fuel tank; fill with fresh fuel.
6. Connect wire to spark plug.
7. Replace spark plug.
8. Drain fuel tank; fill with fresh fuel.
9. Contact local service facility.
Replace air filter.
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