Electronic Water Control - Stihl TS 440 Instruction Manual

English
WARNING
To ensure correct function of the cutting wheel
brake, the nut must be tightened with the speci‐
fied torque. If it is not possible to ensure that the
nut can be tightened with the correct tightening
torque, have the front V belt retensioned by a
STIHL servicing dealer.
► Fit cover (2)
► Insert and tighten bolt (1)
If a V belt continues to slip or squeal when accel‐
erating or working, a V belt may be worn. The
abrasive cutting wheel can remain stuck during
cutting, and the cutting wheel brake can no lon‐
ger function correctly.
► Stop work and consult a STIHL servicing
dealer
► Arrange for the cutting wheel brake to be
repaired
7.5 Maintain cutting wheel brake
The cutting wheel brake is subject to wear due to
friction. In order for it to fulfill its function, it must
be serviced and maintained periodically by
trained personnel. STIHL recommends that
maintenance and repair work be carried out only
by authorized STIHL dealers.
► Note regarding necessary maintenance and
required repair of the cutting wheel brake will
be provided to the user when starting the
engine and releasing the cutting wheel brake,
see section "Check function of the cutting
wheel brake" and section "Releasing cutting
wheel brake" in the chapter "Cutting wheel
brake"
8

Electronic Water Control

STIHL cut-off machines may be equipped with
an electronic water control system.
The electronic water control system makes it
possible to feed the optimum amount of water to
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the abrasive wheel. No water is fed to the abra‐
sive wheel during idling.
8.1 Before starting work
► Familiarize yourself with the sequence of
motions while the engine is switched off
► All of the control panel buttons can be oper‐
ated with the thumb of the right hand – the
right hand always remains on the rear handle
while doing so
► The left hand always remains on the handle‐
bar
8.2 Control panel
When the engine is running, you can activate/
deactivate the electronic water control system
and adjust the water flow.
3
1 Button (+):
activate the electronic water control or
increase water flow to abrasive wheel
2 Button (–):
activate the electronic water control or
decrease water flow to abrasive wheel
3 Deactivate the electronic water control; no
water is fed to the abrasive wheel
8.3 Using the electronic water con‐
trol
► Start the engine, see "Starting / Stopping the
engine"
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0458-520-8321-B