21HT
English / USA
: Remove the chain guard. The chain
must not touch any object or the
ground.
: Position the unit securely for the
start:
Engine resting on the ground (on
the machine support) and the hook
of the cutting attachment on a raised
support, e.g. a branch, mound or
something similar (see illustration).
: Make sure you have a firm footing:
Press the unit firmly against the
ground with your left hand on the fan
housing – your thumb under the fan
housing.
Do not stand or kneel on the drive
shaft tube.
Alternative method:
: Rest the hook of the cutting
attachment on a branch.
: Make sure you have a firm footing.
Hold the unit firmly with your left
hand around the fan housing – your
thumb under the fan housing.
The starting procedure is now as
described in the instruction manual of
your power tool.
Stopping the Engine
: Push the slide control in direction of
arrow ( h ) to STOP – $ or move
stop switch to $.
During operation
Check chain tension frequently!
A new chain has to be tensioned more
often than one that has been in use for
some time.
Cold chain:
Tension is correct when the chain fits
snugly against the underside of the bar
and can still be pulled along the bar by
hand.
Retension if necessary – see
“Tensioning the Saw Chain”.
Chain at operating temperature:
The chain stretches and begins to sag.
The drive links on the underside of the
bar must not come out of the bar groove
– the chain may otherwise jump off the
bar.
Retension the chain – see “Tensioning
the Saw Chain”.
Always slacken off the chain again
after finishing work. The chain
contracts as it cools down. If it is not
slackened off, it may damage the
gearbox and bearings.
Starting / Stopping the
Engine
402BA028 KN
402BA029 KN
Operating Instructions
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