PROBLEM
Pumphasfollowingproblems:
failureto producepressure,or
erraticpressure,chattering,lossof
pressure,lowwatervolume.
CAUSE
1. Nozzleinlowpressuremode.
2. Waterinletisblocked.
3. Inadequatewatersupply
Detergentfailstomixwith.
spray.
Enginerunsgoodwhennotspraying
butdieswhenyoubegintospray.
4. Inlet hoseis kinked or leaking
5. Clogged water inletscreen.
6. Water supply isover 140°F.
7. Outlet hoseis blocked.
8. Outlethoseleaks.
9. Gunleaks.
10. Nozzleisobstructed.
11. Pumpisfaulty.
1. Detergent line is not submerged.
in detergentspray
2. Chemicalfilter is clogged.
CORRECTION
1. Pullnozzlebackwardfor high
pressuremode.
2. Clearinlet
3. Provideadequatewaterflow at
least2 gpm.
4. Straighteninlethose,patchleak.
5. Replace/ cleanwaterinletscreen.
6. Providecoolerwatersupply.
7. Clearblocksinoutlethose.
3. Nozzle is in high pressure mode.
8, Replace outlet hose if leaking.
9. Replace o-ringor gun if necessary.
10. Clear nozzle.
11. Contact Sears Service Department,
Enginewillnotstart;orstarts
and runsrough
Engine shuts down during
operation
Engine lacks power.
Engine speed is too slow.
1. Dirtyaircleaner
2. Outof gasoline.
3. Stalegasoline.
4. Sparkplugwirenotconnected
to spark plug.
5. Bad sparkplug.
6. Water in gasoline.
7. Overchokingor flooded
8. Excessively rich fuel mixture.
1. Insert chemical line intodetergent.
2. Clean or replacefilter/detergent
line.
3. Pushnozzle forward for
low pressure mode.
Contact Sears Service Department.
1. Clean or replace air cleaner.
2. Fillfuel tank.
3. Drain gas tank; fill withfresh fuel.
4. Connect wire to sparkplug.
9. Intakevalvestuckopenorclosed.
10. Enginehaslostcompression.
1. Out of gasoline.
2. Air filter dirty
5. Replace spark plug.
6. Drain gas tank; fill withfresh fuel.
7. Set engine throttle controllever to
fast position,choke in run position.
8. Contact Sears Service Department.
Dirty air filter.
9. Contact Sears Service Department.
10. Contact Sears Service Department.
1. Fillfuel tank.
2. Replace Air filter.
Replace air filter.
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