29MS 650, MS 660
English / USA
: Disengage the chain brake: Pull
hand guard (6) toward front handle.
Wear work gloves to protect your
hands from the sharp cutters.
: Fit the chain – start at the bar nose.
: Fit the guide bar over the studs (7) –
cutting edges on top of bar must
point to right – and engage the
peg of the tensioner slide in locating
hole (8) – place the chain over
sprocket (9) at the same time.
: Now turn tensioning screw (10)
clockwise until there is very little
chain sag on the underside of the
bar – and the drive link tangs are
located in the bar groove.
: Refit the sprocket cover –
and screw on the nuts only finger-
tight.
: Go to “Tensioning the Saw Chain”.
Retensioning during cutting work:
: Shut off the engine first –
and then loosen the nuts.
: Hold the bar nose up and use
screwdriver to turn tensioning screw
(1) clockwise until chain fits snugly
against the underside of the bar.
: While still holding the bar nose up,
tighten down the nuts firmly.
: Go to chapter “Checking Chain
Tensio n ” .
A new chain has to be retensioned more
often than one that has been in use for
some time.
: Check chain tension frequently –
see chapter "Operating
Instructions".
001BA108 KN
6
143BA003 KN
9
7
7
8
10
001BA109 KN
Tensioning the Saw Chain
1
133BA024 KN
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