Craftsman 580.752140 Operator's Manual page 23

Pump has
followingproblems:
failure to produce pressure,
erratic pressure, chattering, loss
of pressure, low water volume,
Detergent fails to mix with spray.
Engine runs good at nooload but
"bogs" when moadis added.
Engine will not start; or starts and
runs rough.
2. Water inlet is blocked.
3= Inadequate water suppiy.
4. Inlet hose is kinked or baking.
5. Clogged inbt 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 fuel.
7. Overchoking.
8. Excessively rich fuel mixture.
Contact Sears service facility
Rotate detergent shut-off valve to "On"
position.
Repiace nozzlewith HydroFoam
TM
launcher.
Move throttie control to FASTposition. If
engine stiii "bogs down", contact Sears
service facility.
1. Cleanor replace air cleaner.
2. Fill fueltank.
3. Drain fuel tank; fill with fresh fuel.
4. Connectwire to spark plug.
5. Replacespark plug.
6. Drain fuet 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 Jackspower. Dirty air filter.
Choke is opened too soon.
Engine "bunts" or falters.
Replaceair filter.
Move choke to halfway position until engine
runs smoothly.
23