Speed Adjustment - Kärcher ICC 1 S D Service Manual

Basic Settings and Service Procedures
Engine – Speed adjustments
Adjusting idle speed
Checking engine speed with vibration tachometer
1 Lever, engine shut-off solenoid
2 Stop screw, engine shut-off solenoid
3 Adjusting screw, idle speed
4 Adjusting screw, operating speed
5 Throttle lever
6 Clamp bolt, Bowden cable
7 Adjusting nut, Bowden cable
8 Bowden cable
9 Solenoid valve, engine shut-off
28
Adjusting idle speed
Note:
Engine speed may be checked with the use
of a stroboscope, digital tachometer or
vibration tachometer (refer to Special Tools).
– Push manual throttle lever on right-hand side
panel all the way in.
– Adjust Bowden cable (8) in such a way that
throttle lever (5) contacts adjusting screw
(3). Make necessary corrections on clamp
bolt (6) or adjusting nut (7) as required.
– Refer to Specifications for idle speed settings.
Adjusting operating speed
– Accelerate engine until operating speed has
been reached.
– Hold tachometer in close contact with valve
cover or engine block.
– Turn rotating plate of vibration tachometer
until resonance spring attains maximum
deflection.
– Read engine speed on tachometer.
– Adjust Bowden cable (8) in such a way that
throttle lever (5) touches adjusting screw (4).
Make necessary corrections on clamp bolt
(6) or adjusting nut (7) as required.
– Refer to Specifications for operating speed
settings.
Note:
The adjusting screws (3 and 4) are preset
and sealed at the factory. They must not be
adjusted. Breaking the seal will void
manufacturer's warranty and operating
license.
ICC 1 S D