Problem
Engine will not start; or starts and
runs rough
Engine shuts down
during operation
Engine lacks power
Engine 'hunts' or falters
No low pressure
detergent delivery
Unit does not reach
required pressure
If problem continues, take to your pressure washer dealer for servicing.
NOTE: Most detergent delivery problems can be prevented by:
1. Using citrus based detergents
2. Flushing the chemical/detergent system before storing
3. NEVER use powdered detergents that are not manufactured specifically for use in pressure washers
(ie dish detergent)
It is prohibited to reproduce, copy or use this document without written permission from Stock Garden Spain (GENERGY), Spain, 2009.
28
GAS POWERED PRESSURE WASHER
Possible Cause
1. Low oil level
2. Dirty air filter
3. Out of gasoline
4. Stale gasoline
5. Sparkplug wire not connected to
spark plug
6. Bad spark plug
7. Water in gasoline
8. Overchoking
9. Excessively rich fuel mixture
10. Intake valve stuck open or closed
11. Engine has lost compression
1. Out of gasoline
2. Low oil level
1. Dirty air filter
1. Choke is opened too soon
1. Nozzle set on high pressure
2. Detergent adjustment is closed or
soap hose is plugged
3. Incorrect nozzle size
1. Restricted or insufficient water
supply, or pump sucking air
2. Nozzle in low pressure mode, or
excessive wear
3. Low u n l o a d e r / r e g u l a t o r
pressure
4. Water leak in high pressure fittings,
hose or gun
5. Water temperature is too high
6. Pump has operated more than
3. minutes without pulling trigger
7. Thermal relief valve stuck open
Remedy
1. Fill crankcase to proper level
2. Clean or replace air cleaner
3. Fill fuel tank
4. Drain gas tank, fill with fresh fuel
5. Connect wire to spark plug
6. Replace spark plug
7. Drain gas tank, fill with fresh fuel
8. Open choke fully and crank engine
9. Contact authorized pressure washer
dealer
10. Contact authorized pressure washer
dealer
11. Contact authorized pressure washer
dealer
1. Fill fuel tank
2. Fill crankcase with oil to proper level
1. Replace air filter
1. Move choke to halfway position until
engine runs smoothly
1. Push nozzle forward for variable nozzle
units, or replace with brass soaper
nozzle
2. Turn adjustment knob counterclockwise
to open, or unplug soap hose
3. Install correct brass soaper nozzle
1. Check supply hose, faucet and inlet
water filter. Must be connected to water
source which provides 6GPM. Check
chemical/soap injection system
2. Insert proper stainless steel high
pressure nozzle
3. Adjust unloader/regulator to desired
setting
4. Use Teflon tape or pipe sealant to
tighten hose fitting, replace hose or gun
5. Use cool water only, maximum140°F
6. Pull trigger at least 30 seconds every
3 minutes
7. Return unit to your pressure washer dealer.