Stihl RB 302, Instruction Manual

Page: 19 / 180

RB 302, RB 402 PLUS
English
17
Always switch off the engine before
servicing or cleaning the machine.
In order to ensure trouble free operation,
we recommend carrying out the
following steps whenever the machine is
used:
N
Rinse the water hose, high-
pressure hose, spray lance and
accessories with water before fitting
them
N
Remove all sand and dust from the
plug-type coupling of the spray
lance and the coupling sleeve of the
spray gun
Cleaning the high-pressure nozzle
Since the pump pressure increases if
the nozzle is clogged, it must be cleaned
immediately.
N
Switch off the engine
N
Actuate the spray gun until water
merely drips from the spray head –
the machine is now depressurized
N
Remove spray lance
N
Clean nozzle with a suitable needle
NOTICE
Always remove the spray lance before
cleaning the nozzle.
N
Rinse spray lance with water from
the nozzle end
Cleaning the water intake screen
The water intake screen must be
cleaned every week or more often if
necessary.
N
Disconnect hose (1)
N
Carefully release the screen (2) with
pliers and rinse it
N
Before refitting the screen, ensure
that it is undamaged and replace if
necessary
Clean ventilation openings
The machine must be kept clean so that
cooling air can flow freely through the
openings in the engine.
Cleaning the injector
The injector must be cleaned whenever
detergent has been used.
N
Immerse the pickup body in clear
water
N
Actuate the spray gun for
approx. 5 seconds
Lubricate connections
Lubricate the connections on the high-
pressure hose as needed
Servicing the engine
The engine must be serviced as
described in the engine instruction
manual supplied.
Check the rubber buffers
The front rubber buffers must be
replaced if damaged or worn, to ensure
the stability of the machine.
Maintenance
647BA031 KN
1
677BA013 KN
2
631BA008 KN