22
TROUBLESHOOTING
Problem
Cause
Correction
Pump has following problems:
failure to produce pressure,
erratic pressure, chattering, loss
of pressure, low water volume.
1.
Low pressure spray tip installed.
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.
Replace with high pressure spray tip.
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 high pressure hose or
replace hose.
8.
Replace gun.
9.
Clean nozzle.
10. Contact Sears service facility
Detergent fails to mix with spray.
1.
Detergent shut-off valve is in the
“
Off
” position.
2.
In-line filter is dirty.
3.
High pressure spray tip installed.
1.
Rotate detergent shut-off valve to “
On
”
position.
2.
See
Check In-Line Filter
.
3.
Replace with low pressure spray tip.
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.
Engine will not start; or starts and
runs rough.
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.
1.
Clean or replace air cleaner.
2.
Fill fuel tank.
3.
Drain fuel tank; fill with fresh fuel.
4.
Connect wire to spark plug.
5.
Replace spark plug.
6.
Drain fuel tank; fill with fresh fuel.
7.
Contact Sears service facility.
Engine shuts down during
operation.
Out of fuel.
Fill fuel tank.
Engine lacks power.
Dirty air filter.
Replace air filter.
