Troubleshooting - Craftsman 580.754930 Operator's Manual

Problem Cause Correction
Pump has following
problems: failure to produce
pressure, erratic pressure,
chattering, _oss of pressure,
low water volume.
Detergent fails to mix with
spray.
Engine will not start; starts
and runs rough or shuts
down during operation.
Idle control not functioning.
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°F.
7. High pressure hose is blocked
or leaks.
8. Spray gun leaks.
9. Spraytip 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.
9. Excessively rich fuel mixture.
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 (t)
position.
2. Fill crankcase to proper level.
3. Clean or replace air cleaner.
4. Fill 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.
Idle control cable is loose. Contact local service facility.
Dirty air fi_ter. Replace air fi_ter.
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