Use and Care Manual
25
Engine will not start 1. Throttle lever or on/off switch in OFF
position.
2. No fuel in engine
3. Worn, fouled, or dirty spark plug
4. Pressure build up in pump
1. Turn throttle lever to ON position
2. Fill fuel tank or turn on fuel supply
3. Replace with factory recommended
spark plug
4. Squeeze trigger on spray wand (refer
to operating instructions in owner’s
manual)
Oil Alert (for units with
this feature)
Engine isn’t level or the oil level is too low Place engine on level surface or perform an
oil change using SAE 10W30 oil (refer to
engine user manual for instructions)
Engine runs well at no
load but “bogs” down
under full load
1. Engine speed is too slow 1. Adjust Throttle Lever back to full
throttle.
Engine will not start or
starts and runs poorly
1. Low oil level
2. Dirty air lter
3. Out of gasoline
4. Stale gasoline
5. Spark plug wire not connected to
spark plug
6. Bad spark plug
7. Water in gasoline
8. Over choking
1. Fill crankcase to proper level
2. Clean or replace air lter
3. Fill fuel tank
4. Drain gas tank and ll with fresh fuel
5. Connect wire to the spark plug
6. Replace the spark plug
7. Drain gas tank, ll with fresh fuel
8. Open choke fully and crank engine
Engine shuts down
during operation
1. Out of gasoline
2. Low oil level
1. Fill fuel tank
2. Fill crankcase to proper oil level
Engine lacks power 1. Dirty air lter 1. Replace air lter
Engine “putts” or
falters
1. 1. Choke is opened too soon/too
early
1. Move choke to halfway position until
engine runs smoothly.
* All engine servicing to be taken to
manufacturer’s authorized service outlet
PUMP
Problem Causes Correction
No low pressure
detergent delivery
1. Using wrong nozzle
2. Siphon hose or lter is plugged
1. Insert black soaper nozzle
2. Clear siphon hose of debris
Unit does not reach
required pressure
1. Restricted or insufcient water sup-
ply
2. Unsuitable or worn out nozzle
3. Regulator set too low (for units with
an adjustable unloader)
1. Check supply hose, faucet and inlet
water lter. Must be connected to water
source that provides at least 6 GPM
2. Replace nozzle
3. Reset unloader by turning knob
(clockwise increases pressure)
TROUBLESHOOTING