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Problem Cause
Pump has following problems:
failure to producepressure,
erratic pressure, chattering, Less
of pressure, _ewwater volume.
Detergentfails to mix with spray.
Enginetuns good at ne°Joadbut
"bogs" when Joad is added.
Enginewill net start; starts and
tuns tough er shuts dewn during
eperatien.
EngineLockspower.
1. Water inlet is blocked.
2. Inadequatewater supply.
3. Inlet hose is kinkedor leaking.
4. Clogged inlet hose strainer.
5. Water supply is over 100%.
6. High pressure hose is blocked or
leaks.
7. Gun leaks.
8. Spray tip is obstructed.
9. 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.
Engine speed is too slow.
1. Throttle lever in STOPposition.
2. Dirty air cleaner.
3. Out of fuel.
4. Stale fuel.
5. Spark plug wire not connectedto
spark plug.
6. Bad spark plug.
7. Water in fuel.
8. Overchoking.
9. Excessivelyrich fuel mixture.
Dirty air filter.
Correction
1. Clear inlet.
2. Provide adequatewater flow.
3. Straighten inlet hose, patch leak.
4. Checkand clean inlet hose strainer.
5. Provide cooler water supply.
6. Clear blocks in high pressure hose or
replace hose.
7. Replacegun.
8. Cleanspray tip.
9. Contact Sears service facility.
1. Insert detergent siphoning tube into
detergent.
2. Cleanor replacedetergent siphoning
tube.
3. Replacehigh pressure spray tip with
black spray tip.
4. Freedetergent siphoning check ball.
Move throttle lever to FASTposition. If engine
still "bogs down", contact Sears service
facilib/.
1. Move throttle lever to FASTposition.
2. Cleanor replaceair cleaner.
3. Fill fuel tank.
4. Drain fuel tank; fill with fresh fuel.
5. Connect wire to spark plug.
6. Replacespark plug.
7. Drain fuel tank; fill with fresh fuel.
8. Openchoke fully and crank engine.
9. Contact Sears service facility.
Replaceair filter.
22
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