18.6
Clearing the Combustion
Chamber
2
3
1
0000-GXX-4736-A0
► Pull off the spark plug boot (1).
► Unscrew the spark plug (2).
► Dry the spark plug (2).
WARNING
■ Unconfined sparks may occur if the starter grip
is pulled after the spark plug boot has been
removed. Sparks may cause a fire or an
explosion in an easily combustible or explo‐
sive environment. This can result in serious or
fatal injuries and damage to property.
► Move the slide control to position
before pulling the starter grip.
► Move the slide control to position .
► Pull the starter grip (3) several times and
guide it back slowly.
The combustion chamber is cleared.
► Insert and tighten down the spark plug (2)
firmly.
► Connect the spark plug boot (1) and press it
down firmly.
18.7
Adjusting the Throttle Cable
► Start the engine.
1
2
3
0000-GXX-4785-A0
► Pull the trigger (1) without depressing the lock‐
out lever (2).
► If the engine accelerates: Hold the trigger (1)
depressed and turn screw (3) counterclock‐
wise until there is no further noticeable drop in
engine speed.
The throttle cable was over-tensioned.
► Pull the trigger (1) and hold it there without
depressing the lockout lever (2).
► Turn screw (3) clockwise until the engine
accelerates.
► Back off the screw (3) 1.5 turns counterclock‐
wise.
The engine idles and the throttle cable adjust‐
ment is correct.
► Shut off the engine.
19 Specifications
19.1
STIHL FS 235 Trimmer
–
Displacement: 36.3 cc
–
Engine power to ISO 8893: 1.55 kW (2.1 bhp)
at 9,000 rpm
–
Idle speed: 2,800 rpm
–
Max. output shaft speed: 7,900 rpm
–
Approved spark plug: Bosch WSR 6 F from
STIHL
–
Electrode gap: 0.5 mm
–
Dry weight without cutting attachment and
deflector: 6.8 kg
–
Length without cutting attachment: 1807 mm
–
Max. fuel tank capacity: 810 cc (0.81 l)
19.2
Sound Values and Vibration
Values
The K-value for sound pressure levels is 2 dB(A).
K-value for sound power levels is 2 dB(A). The
K-value for vibration level is 2 m/s².
Using with a mowing head
–
Sound pressure level L
pA
measured according
to ISO 22868: 99 dB(A).
–
Sound power level L
wA
measured according to
ISO 22868: 111 dB(A).
–
Vibration level a
hv
measured according to
ISO 22867:
–
Control handle: 4.1 m/s².
–
Left handle: 5.1 m/s².
Using with a metal cutting attachment
–
Sound pressure level L
pA
measured according
to ISO 22868: 99 dB(A).
–
Sound power level L
wA
measured according to
ISO 22868: 111 dB(A).
–
Vibration level a
hv
measured according to
ISO 22867:
–
Control handle: 2.9 m/s².
–
Left handle: 4.3 m/s².
For information on compliance with Employers'
Vibration Directive 2002/44/EC see
19 Specifications
English
0458-507-0121-B
21
