Owner's manual
14
TROUBLESHOOTING
Problem
Cause
Correction
Pump has following
problems: failure to
produce pressure, erratic
pressure, chattering, loss of
pressure, low water volume.
1. Low pressure nozzle (black) is
being used.
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 140°F.
7. High pressure hose is blocked
or leaks.
8. Gun leaks.
9. Nozzle is obstructed.
10. Pump is faulty.
1. Replace with any of the three
high pressure nozzles.
2. Clear inlet.
3. Provide adequate water flow.
4. Replace hose.
5. Check and clean inlet hose
strainer.
6. Provide cooler water supply.
7. Clear blocks in outlet hose.
8. Replace gun.
9. Clean nozzle.
10. Contact Sears service facility.
Detergent fails to mix with
spray.
1. Detergent siphoning tube is not
submerged.
2. Chemical filter is clogged.
3. A high pressure nozzle is being
used.
1. Insert detergent siphoning tube
into detergent.
2. Clean or replace filter/detergent
siphoning tube.
3. Replace with low pressure (black)
nozzle.
Engine runs good at no-
load but “bogs” when load
is added.
Engine speed is too slow.
Move throttle control to FAST
position. If engine still “bogs down”,
contact Sears service facility.
Engine will not start; or
starts and runs rough.
1. Dirty air cleaner.
2. Out of gasoline.
3. Stale gasoline.
4. Spark plug wire not connected
to spark plug.
5. Bad spark plug.
6. Water in gasoline.
7. Overchoking.
8. White smoke from exhaust.
9. Intake valve stuck open or
closed.
10. Engine has lost compression.
1. Clean or replace air cleaner.
2. Fill fuel tank.
3. Drain gas tank; fill with fresh fuel.
4. Connect wire to spark plug.
5. Replace spark plug.
6. Drain gas tank; fill with fresh fuel.
7. Open choke fully and crank
engine.
8. Contact Sears service facility.
9. Contact Sears service facility.
10. Contact Sears service facility.
Engine shuts down during
operation.
Out of gasoline.
Fill fuel tank.
Engine lacks power.
Dirty air filter.
Replace air filter.
Engine “hunts” or falters.
Choke is opened too soon.
Move choke to halfway position until
engine runs smoothly.