23
TROuBLESHOOTiNG
Problem
Probable Cause
Corrective Action
Pump has following
problems: failure to
produce pressure,
erratic pressure,
chattering, loss
of pressure, low
water volume.
1. Low pressure spray tip installed. 1. Replace with high pressure
spray tip.
2. Water inlet is blocked.
2. Clear inlet.
3. Inadequate water supply.
3. Provide adequate water flow.
4. Inlet hose is kinked or leaking.
4. Straighten inlet hose, patch leak.
5. Clogged inlet hose screen.
5. Check and clean inlet
hose screen.
6. Water supply is over 100°F.
6. Provide cooler water supply.
7. High pressure hose is blocked
or leaks.
7. Clear blocks in outlet hose.
8. Spray gun leaks.
8. Replace spray gun.
9. Spray tip is obstructed.
9. Clean spray tip.
10. Pump is faulty.
10. Contact local service facility.
detergent fails to mix
with spray.
1. Detergent siphoning tube is
not submerged.
1. Insert detergent siphoning tube
into detergent.
2. Detergent siphoning tube/filter is
clogged or cracked.
2. Clean or replace filter/detergent
siphoning tube.
3. High pressure spray tip installed. 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 local service facility.
Engine will not
start; or starts and
runs rough.
1. Low oil level.
1. Fill crankcase to proper level.
2. Dirty air cleaner.
2. Clean or replace air cleaner.
3. Out of fuel.
3. Fill fuel tank.
4. Stale fuel.
4. Drain fuel tank; fill with fresh fuel.
5. Spark plug wire not connected to
spark plug.
5. Connect wire to spark plug.
6. Bad spark plug.
6. Replace spark plug.
7. Water in fuel.
7. Drain fuel tank; fill with fresh fuel.
8. Excessively rich fuel mixture.
8. Contact local service facility.
Engine shuts down
during operation.
Out of fuel.
Fill fuel tank.
Engine lacks power.
Dirty air filter.
Replace air filter.
