Stihl RB 302 Notice D'emploi page 26

English
Before starting any work on the machine, switch off the engine, turn off the water supply and actuate the spray gun until the pres -
sure has been relieved.
Fault
Pressure fluctuates or drops
Pressure is too high
Engine stops
No supply of detergents
1)
See engine instruction manual
2)
STIHL recommends STIHL servicing dealers
24
Cause
Pump partly frozen
Pump draws in air (suction mode only)
High-pressure pump is leaky, valves are
defective
Water temperature too high
Engine speed control not set correctly or
defective
Shortage of oil in engine
Detergent tank is empty
Detergent intake is clogged
Injector is soiled or suction hose is clogged
Sleeve on spray lance not set to low-pressure
operation
Remedy
Thaw out machine
Check air-tightness of suction set, vent sys -
tem by actuating the spray gun several
times at short intervals
Have the machine checked by a servicing
2)
dealer
Permissible water temperature – see
"Specifications"
Have the machine checked by a servicing
2)
dealer
1)
Add oil
Fill detergent tank
Eliminate clog
Clean injector – see "Maintenance", remove
blockage in suction hose
Turn sleeve counterclockwise as far as pos -
sible – see "Adding detergent"
RB 302, RB 402 PLUS