Craftsman 580.676650 Owner's Manual page 19

Problem Cause
Pump has followingproblems:
failure t o produce pressure,
erratic pressure,chattering, l oss
of pressure,low water volume.
Detergent faits to mix with
spray.
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.
1.
2.
3.
4.
Correction
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.
Pump is faulty. 10.
Detergent siphoning tube is not 1.
submerged.
Chemical filter is clogged. 2.
Dirty inqine filter.
Nozzle is in high pressure
mode.
Engine runs good at no-load but Engine speed is too slow.
"bogs" when load is added.
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. Excessively rich fuel mixture.
8. Intake valve stuck open or
closed.
9. Engine has lost compression.
Out of fuel.
Engine will not start; or starts
and runs rough.
Contact Sears service facility.
Insert detergent siphoning tube
into detergent.
Clean or replace
filter/detergent siphoning tube.
3. See "Check In=Line Filter".
4. Push nozzle forward for low
pressure mode.
Move throttle control to FAST
position. If engine still "bogs down",
contact Sears service facility.
1. Clean or replace air cleaner.
2. Fill fuel tank.
3. Drain gas tank; fill with fresh
fuel.
4. Connect wire to spark plug.
5. Replace spark plug.
6. Drain gas tank; fill with fresh
fuel.
7. Contact Sears sewice facility.
8. Contact Sears sewice facility.
9. Contact Sears sewice facility.
Engine shuts down during Fill fuel tank.
operation.
Engine lacks power. Dirty air filter. Replace air filter.
19