Craftsman 580.752400 - Manual (Page 20)

TROUBLESHOOTIN
Problem Cause Correction
Pump has following problems:
failure to produce pressure, erratic
pressure, chattering, loss of
pressure, low water volume.
1. Nozzle in low pressure mode.
2. Water inlet is blocked.
3. Inadequate water supply.
4. Inlet hose is kinked or leaking.
5. Clogged inlet hose strainer.
6. Water supply is over 100°F.
7. High pressure hose is blocked
or leaks.
8. Gun leaks.
9. Nozzle is obstructed.
10. Pump is faulty.
1. Pull nozzle backward for high
pressure mode.
2. Clear inlet.
3. Provide adequate water flow.
4. Straighten inlet hose, patch
leak.
5. Check and clean inlet hose
strainer.
6. Provide cooler water supply.
7. Clear blocks in outlet hose.
8. Replace gun.
9. Clean nozzle.
10. Contact Sears service facility.
Detergent fails to mix with spray.
1. Detergent siphoning tube is not
submerged.
2. Chemical filter is clogged or
cracked.
3. Dirty in-line filter.
4. Nozzle is in high pressure
mode.
1
.
Insert detergent siphoning tube
into detergent.
Clean or replace filter/detergent
siphoning tube.
See "Check In-Line Filter".
Push nozzle forward for low
pressure mode.
Engine runs good at no-load but
"bogs" when load is added.
Engine speed is too slow. Move throttle control to FAST
position. If engine still "bogs down",
contact Sears service facility.
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
to spark plug.
5. Connect wire to spark plug.
Engine will not start; or starts and 6. Bad spark plug. 6. Replace spark plug.
runs rough.
7. Water in gasoline. 7. Drain gas tank; fill with fresh
fuel.
8. Overchoking. 8. Open choke fully and crank
engine.
9. Excessively rich fuel mixture. 9. Contact Sears service facility.
10. Intake valve stuck open or
closed.
10. Contact Sears service facility.
11. Engine has lost compression. 11. Contact Sears service facility.
Engine shuts down during
operation. Out of gasoline. Fill fuel tank.
Engine lacks power. Dirty air filter. Replace air filter.
Engine "hunts" or falters. Choke is opened too soon.
Move choke to halfway position until
engine runs smoothly.
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