Troubleshooting - Craftsman 580.752770 Operator's Manual

Problem
Pump has following problems:
failure to produce pressure,
erratic pressure, chattering,
loss of pressure, low water
volume.
Detergent fails to mix with
spray.
Engine lacks power; will not
start; starts and runs rough or
shuts down during operation.

TROUBLESHOOTING

Cause
1. Low pressure spray tip installed.
2. Water inlet is blocked.
3. Inadequate water supply.
4. Garden 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. 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.
9. Excessively rich fuel mixture.
21
Correction
1. Replace with high pressure spray tip.
2. Clear inlet.
3. Provide adequate water flow.
4. Straighten garden hose, patch leak.
5. Check and clean inlet hose screen.
6. Provide cooler water supply.
7. Replace high pressure 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. 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.