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Caution:
To prevent accidental starting when servicing the unit, always remove the spark plug or wire from the spark plug.
Fault
Cause
Engine will not start - Fuel tank empty
- Fuel valve closed
Unit does not come
- Pump is sucking air
up to pressure
- Strainer is blocked
- Pump not bled to remove air
- Flow regulation control is set to low
pressure
- Pump or relief valve defective
Water spray
- Nozzle clogged
irregular
- Water supply inadequate
- Relief valve incorrectly set
No intake of
- Nozzle in improper position
detergent
- Detergent metering valve closed
- Suction filter clogged
- Nozzle clogged
No adjustments should be made to any parts that are sealed.
Engine
Briggs & Stratton Model 131 702 - Single cylinder, L-head, air cooled
Rated power
Torque (Max.) @ 2900 rpm
Bore
Stroke
Displacement
Fuel tank capacity
Specific fuel consumption
High-pressure pump
Working pressure
Permissible max. pressure
Capacity
Detergent intake
Water supply temperature max.
Suction height with cold water (50 °F/10° C)
Nozzle recoil (Spray lance 4.760-279 high-pressure jet)
Length/width/height
Weight not including accessories
14
V. T R O U B L E - S H O O T I N G
VI. T E C H N I C A L D A T A
Remedy
Fill fuel tank
Open fuel valve
- Open water supply and check garden hose
- Clean strainer
- Stop engine, press trigger of gun, start engine
and run unit while depressing trigger
- Turn control knob to high pressure
- Have unit repaired by authorized service
- Clean nozzle
- Check to see that water supply is on full force or
use stationary water source.
- Have unit repaired by authorized service
- Set nozzle to low pressure position
- Adjust detergent metering valve to desired setting.
- Clean filter in suction nozzle
- Clean nozzle
6
7.66
9
2
/
16
7
2
/
16
12.57
2.0
0.35
1900
2030
2.3
0 - 0.2
140
3
33
21
1
/
x 13
3
/
x 32
1
/
2
4
2
66
HP
FT.- Lbs.
in.
in.
cu. in.
Quart
US-gal/h
psi
psi
gpm
gpm
°F
ft
Newton
in
lbs
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