HT 250
English
16
N
Fit the guide bar over the screw (3)
and engage peg of tensioner slide in
the hole (4) – place the chain over
the sprocket (5) at the same time.
N
Turn the tensioning screw (1)
counterclockwise until there is very
little chain sag on the underside of
the bar – and the drive link tangs are
engaged in the bar groove.
N
Refit the sprocket cover and screw
on the nut fingertight.
N
Go to chapter on "Tensioning the
Saw Chain".
Re-tensioning during cutting work:
N
Shut off the engine.
N
Loosen the nut.
N
Hold the bar nose up.
N
Use a screwdriver to turn the
tensioning screw (1)
counterclockwise until the chain fits
snugly against the underside of the
bar.
N
While still holding the bar nose up,
tighten down the nut firmly.
N
Go to "Checking Chain Tension".
A new chain has to be re-tensioned
more often than one that has been in
use for some time.
N
Check chain tension frequently –
see chapter on "Operating
Instructions".
N
Shut off the engine.
N
Wear work gloves to protect your
hands.
N
The chain must fit snugly against
the underside of the bar and it must
still be possible to pull the chain
along the bar by hand.
N
If necessary, re-tension the chain.
A new chain has to be re-tensioned
more often than one that has been in
use for some time.
N
Check chain tension frequently –
see chapter on "Operating
Instructions".
1
4
3
246BA023 A1
5
Tensioning the Chain
1
246BA024 KN
Checking Chain Tension
246BA025 KN
Summary of Contents for HT 250
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