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Problem
Pump has following problems:
failure to produce pressure, erratic
pressure, chattering, loss of
pressure, low water volume.
Detergent falls to mix with spray.
Engine runs good at no-load but
"bogs" when load is added.
Engine will not start; or starts and
4.
5.
6.
runs rough.
7.
8.
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 or
cracked.
3.
Dirty in-line filter.
4.
Nozzle is in high pressure
mode.
Engine speed is too slow.
1
Low oil level.
2
Dirty air cleaner.
3.
Out of gasoline.
Stale gasoline.
Spark plug wire not connected
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 filter/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.
Fill crankcase to proper level.
2.
Clean or replace air cleaner.
3.
Fill fuel tank.
4.
Drain gas tank; fill with fresh
fuel.
5.
Connect wire to spark plug.
to spark plug.
Bad spark plug.
Water in gasoline.
Overchoking.
6.
Replace spark plug.
7.
Drain gas tank; fill with fresh
fuel.
8.
Open choke fully and crank
engine.
9.
Contact Sears service facility.
10. Contact Sears service facility.
11. Contact Sears service facility.
Engine shuts down during
Fill fuel tank.
operation.
Engine lacks power.
9.
Excessively rich fuel mixture.
10. Intake valve stuck open or
closed.
11. Engine has lost compression.
Out of gasoline.
Dirty air filter.
Choke is opened too soon.
Engine "hunts" or falters.
Replace air filter.
Move choke to halfway position until
engine runs smoothly.
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