Troubleshooting - Generac Portable Products 1676-1 Owner's Manual

TROUBLESHOOTING
Problem
Pump has following
problems: failure to produce
pressure, erratic pressure,
chattering, loss of pressure,
low water volume.
Detergent fails to mix with
spray.
Cause
I. Low pressure nozzle installed.
2. Water inlet isblocked.
3. Inadequate water supply.
4. Inlet hose iskinked or leaking.
5. Clogged inlet hose strainer.
6. Water supply isover 100°F.
7. High pressure hose is blocked or
leaks.
8. Gun leaks.
9. Nozzle is obstructed.
10. Pump isfaulty.
I. Detergent siphoning tube is not
submerged.
2. Chemical filter is clogged.
3. Dirty in-line filter.
4. Low pressure nozzle installed.
Engine runs good at no-load Engine speed is too slow.
but "bogs" when load is
added.
Engine will not start; or
starts and runs rough.
Engine shuts down during
operation.
Engine lacks power.
Engine "hunts" or falters.
I. Fuelvalveis in the "Off' position.
2. Low oil level.
3. Dirty air cleaner.
4. Out of gasoline.
5. Stalegasoline.
6. Spark plug wire not connected to
spark plug.
7. Bad spark plug.
8. Water in gasoline.
9. Overchoking.
10. Excessively rich fuel mixture.
I I. Intake valve stuck open or closed.
12. Engine has lost compression.
Out of gasoline.
Dirty air filter.
Choke is opened too soon.
Correction
I. Replace nozzle with high pressure
nozzle.
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. Replacegun.
9. Clean nozzle.
10. Contact Generac service facility.
I. Insert detergent siphoning tube into
detergent.
2. Clean or replace fitter/detergent
siphoning tube.
3. See"Check In-LineFilter" on page 12.
4. Replace nozzle with high pressure
nozzle.
Move throttle control to FAST position. If
engine still "bogs down", contact Briggsand
Stratton service facility.
I. Turn fuel valveto the "On" position.
2. Fill crankcase to proper level.
3. Clean or replace air cleaner.
4. Fill fuel tank.
5. Drain gastank; fill with fresh fuel.
6. Connect wire to spark plug.
7. Replacespark plug.
8. Drain gastank; fill with fresh fuel.
9. Open choke fully and crank engine.
10. Contact Briggsand Stratton service
facility.
I I. Contact Briggsand Stratton service
facility.
12. Contact Briggsand Stratton service
facility.
Fill fuel tank.
Replace air filter.
Move choke to halfway position until
engine runs smoothly.
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