Troubleshooting - Craftsman C950.672150 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 will not start; starts and runs
rough or shuts down during operation.
Engine lacks power.
Engine "hunts" or falters.

TROUBLESHOOTING

Cause
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 strainer.
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. Fuel valve is in "Off" position.
2. Engine stop switch in "Off" position.
3. Low oil level.
4. Dirty air cleaner.
5. Out of fuel.
6. Stale fuel.
7. Spark plug wire not connected to
spark plug.
8. Bad spark plug.
9. Water in fuel.
10. Overchoking.
11. Excessively rich fuel mixture.
12. Intake valve stuck open or closed.
13. Engine has lost compression.
Dirty air filter.
Choke is opened too soon.
24
Correction
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 strainer.
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. Turn fuel valve to "On" position.
2. Place engine stop switch in "On"
position.
3. Fill crankcase to proper level.
4. Clean or replace air cleaner.
5. Fill fuel tank.
6. Drain fuel tank; fill with fresh fuel.
7. Connect wire to spark plug.
8. Replace spark plug.
9. Drain fuel tank; fill with fresh fuel.
10. Open choke fully and crank engine.
11. Contact Sears service facility.
12. Contact Sears service facility.
13. Contact Sears service facility.
Replace air filter.
Move choke to halfway position until
engine runs smoothly.