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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 runs good at no-load but
"bogs"
when load is added.
Engine will not start; or starts
and runs rough.
Cause
1.
Nozzle in low pressure mode.
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.
Gun leaks.
9.
Nozzle is obstructed.
10. Pump is faulty.
1.
Detergent siphoning tube is not
submerged.
2.
Chemical filter is clogged.
3.
Dirty in-line filter.
4.
Nozzle is in high pressure
mode.
Engine speed is too slow.
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.
Correction
1.
Pull nozzle backward for high
pressure mode.
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 gun.
9.
Clean nozzle.
10. Contact Sears service facility.
1.
Insert detergent siphoning tube
into detergent.
2.
Clean or replace
fitter/detergent
siphoning tube.
3.
See "Check In-Line Filter".
4.
Push nozzle forward for low
pressure mode.
Move throttle control to FAST
position. If engine still "bogs
down", contact Sears service
facility.
1.
Clean or replace air cleaner.
2.
Fill fuel tank.
3.
Drain gas tank; fitl with fresh
fuel.
4.
Connect wire to spark plug.
7.
Overchoking.
8.
Excessively rich fuel mixture.
9.
Intake valve stuck open or
closed.
5.
Replace spark plug.
6.
Drain gas tank; fitl with fresh
fuel.
7.
Open choke fully and crank
engine.
10. Engine has lost compression.
Engine shuts down during
Out of gasoline.
operation.
En_line lacks power.
Dirty air filter.
Engine "hunts"
or falters.
Choke is opened too soon.
8.
Contact Sears service facility.
9.
Contact Sears service facility.
10. Contact Sears service facility.
Fill fuel tank.
Replace air filter.
Move choke to halfway position
until engine runs smoothly.
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