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TROUBLESHOOTING
CAUSE
Nozzle inlow pressure mode.
PROBLEM
Pump has following problems: t.
failure to produce pressure, erratic
pressure, chattering, loss of pressure, 2.
low water volume. 3
4o
5.
6.
7o
8.
9.
10.
11.
12,
Detergent failsto mix with spray_ 1_
2
3o
Enginerunsgood at no-load but "bogs
Enginewillnot start;or starts
and runsrough
Engineshutsdownduring operation
Enginelacks power=
Engine"hunts" or falters.
Low regulator pressure
Water inletis bIocked,
Inadequate water supply
Inlet hose is kinked or leaking
Clogged inlet hose strainer:
Detergent line is not submerged.
Water supply is over 140°F,
Outlet hose is blocked or leaks,
Gun leaks.
Nozzle is obstructed,
Pump is faulty°
Detergent line is not submerged.
Chemical filter is clogged°
Nozzle is in high pressure mode_
Enginespeed is too slow.
CORRECTION
t. Pull nozzle backwardfor high
pressuremode°
2= Adjust regulator to desired setting.
3,, Clear'inlet
4o Provide adequate water flow.
5. Straighten inlet hose, patch leak,.
6. Check and clean inlethosestrainer.
7_ Submerge detergent line.
8o Provide coolerwater supply,
9. Clear blocks in outlet hose,
10,, Replace gun,
1to Clear no.leo
12o Contact Sears Service Department.
1. Insertchemical line intodetergent.
2° Clean or replace fitter/detergent line.
3 Push nozzle forward for
low pressure mode°
Contact Sears Service Department
1. Low oil level 1.. Fill crankcase to proper level,
2, Dirty air cleaner 2, Clean or replace air cleaner,
3 Out of gasoline, 3, Fill fuel tank,
4_ Stale gasoline_ 4,. Drain gas tank; fill with fresh fuel,
5,, Spark plug wire not connected 5, Connect wire to spark plug
to spark plug
6 Bad spark plug, 6, Replace spark plug
7, Water ingasoline 7o Drain gas tank; fillwith fresh fuel
8, Overchokh]go 8,. Open choke fully and crank engine,
9, Excessively rich fuel mixture 9. Contact Sears Service Department.
10, Intake valve stuck open or closed 10r Contact Sears Service Department,
11, Engine has lost compression,, 11_ Contact Sears Service Department
1_ Out of gasoline
2. Low oil level,,
Dirty air filter-,
1_ Choke isopened too soon
1, Fill fuel tank,
2. Fill crankcase to proper level.
Replace air filter
1, Move choketohalfway position
until engine runs smoothly.
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