Craftsman 580.752070 Operator's Manual page 23

Pump hasfollowing
p roblems:
failure to produce pressure,
erratic pressure, chattering, less
of pressure, bw water volume.
Detergent fails to mix with spray.
Engine rune good at noqead but
"hogs" when meadis added.
Engine will not start; or starts and
rune rough.
CaU$8'
1. HydroFoam
TM
launcherinstaIled.
2. Water inlet is blocked.
3= Inadequate water suppiy.
4. Inlet hose is kinked or baking.
5. Clogged inlet hose strainer.
6. Water suppiy is over IO0°F.
7. High pressure hose is blocked or
leaks.
8. Gun leaks.
9. Nozzleis obstructed.
10.
1.
1. Replace HydroFoam
TM
launcher with high
pressure nozzb.
2. Clearinlet.
3. Provide adequatewater flow.
4. Straighten inlet hose, patch ieak.
5.
Checkand clean inlet hose strainer.
6. Provide cooier water suppiy.
7. Clearblocks in high pressure hose or
repiace hose.
8. Repiacegun.
9. Cleannozzle.
Pump is faulty. 10.
Detergent shut-off valve is in the 1.
"Off" position.
High pressure nozzle installed. 2.
Engine speed is too slow.
1. Dirty air cleaner.
2. Out of fuel.
3. Stale fuel.
4. Spark plug wire not connected to
spark plug.
5. Bad spark plug.
6. Water in fue!.
7. Overchoking.
8. Excessively rich fuel mixture.
Contact Sears service facility
Rotate detergent shut-off valve to "On"
position.
Replace nozzlewith HydroFoam
TM
launcher.
Move throttle control to FASTposition. If
engine stiii "bogs down", contact Sears
sen!be facility.
1. Cleanor replace air cleaner.
2. Fill fuel task.
3. Drain fuei tank; fiii with fresh fuel.
4. Connectwire to spark plug.
5. Replacespark plug.
6. Drain fue! tank; fill with fresh fuel.
7. Open choke fully and crank engine.
8. Contact Sears service facility.
Engine shuts down during Out of fuel. Fill fuel tank.
operation.
Engine lacks power. Dirty air filter.
Choke is opened too soon.
Engine "hunts" or falters.
Replaceair filter.
Move choke to halfway position until engine
runs smoothly.
23