TROUBLESHOOTING

PROBLEM

CAUSE

Pump has following problems:

1

 

Nozzle in low pressure mode.

failure to produce pressure, erratic

 

 

 

pressure,chattadng, loss of pressure,

2.

 

Low regulator pressure

low water volume.

3

 

Water inlet Is blocked.

 

4.

 

Inadequate water supply

 

5r

Inlet hose is kinked or leaking

 

6

 

Clogged inlethose strainer,

 

7.

 

Detergent line is not submerged.

 

8.

Water supply is over 140°F.

 

9.

Outlet hose is blocked or leaks.

 

10o

Gun leaks,

 

11,

 

Nozzle is obstructed.

 

12.

 

Pump is faulty.

Detergent fails to mix with spray,

1.

 

Detergent line is not submerged_

 

2, Chemical filter is clogged

 

3

 

Nozzle is in high pressure mode,

 

4. Chemical adjuster is closed.

Engine runsgood at no-load but "hogs

Engine speed is too slow,

Engine will not start;or starts

1,

Low oillevel

and runs rough

2.

Dirtyair cleaner

 

3_

Out of gasoline,

 

4.

Stale gasoline_

 

5.

Spark plug wire not connected

 

 

to sparkplug

 

6_

Bad spark plug,

 

 

Water in gasoline.

 

8_ Overchoking

 

9.

Excessivelyrich fuel mixtura_

 

10. Intake valve stuck open or closed,

 

11 Engine has lost compression.

Engine shuts down during operation

1.

Out

of gasoline,

 

2

Low

oil level.

Engine lacks power,

Dirtyair filter°

Engine "hunts" or falters

Choke is opened too soon.

CORRECTION

1, Pull nozzlebackwardfor high pressuremode.

2.Adjust rogulator to desired setttng_

3.Clear inlet

4.Provide adequatawater flow.

5.Straighten inlet hose, patch leak,

6.Check and clean inlet hose strainer,

7.Submerge detergent line,

8, Provide cooler water supply.

9.Clear blocks In outlet hose.

10.Replace gun.

11.Clear nozzle,

12.Contact Sears Service Department.

l r Insert chemical line into detergant_ 2, Clean or replacefilter/detergent line.

3Push nozzle forward for low pressure mode.

4. Open chemical adjustsrr

Contact Sears Service Department_

1Fillcrankcaseto proper level

2.Clean or replaceair cleaner,

3.Fillfuel tank.

4.Drain gas tank; fillwith freshfuel,

5.Connect wire to spark plug.

6_ Replace spark plug.

7_ Drain gas tank; fillwith fresh fuel, 8, Open choke fully and crank engine.

9.Contact Sears Service Department. 10, Contact Sears Service Department.

11.Contact Sears Service Department.

1.Fill fuel tank,

2 Fill crankcase to proper level

Replaceair filter

Move choke to halfwayposition until engine runssmoothly_

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Craftsman 580.751781 owner manual Problem Cause, Correction