All cutters must be the same length.
If the cutters are not the same length, they will
have different heights. This makes the chain run
roughly and can cause it to break.
► Find the shortest cutter and then file all other
cutters back to the same length. It is best to
have this work done by a servicing dealer on
an electric grinder.
21.7
Depth gauge setting
689BA023 KN
a
The depth gauge determines the height at which
the cutter enters the wood and thus the thickness
of the chip removed.
a Specified distance or setting between depth
gauge and cutting edge.
This setting may be increased by 0.2 mm
(0.008") for cutting softwood in the mild weather
season – no frost.
Chain pitch
Depth gauge
Setting (a)
inch
(mm)
mm
(inch)
1/4 P
(6,35)
0,45
(0.018)
1/4
(6,35)
0,65
(0.026)
3/8 P
(9,32)
0,65
(0.026)
0.325
(8,25)
0,65
(0.026)
3/8
(9,32)
0,65
(0.026)
21.8
Lowering depth gauges
The depth gauge setting is reduced when the
chain is sharpened.
► Use a filing gauge to check the setting every
time you sharpen the chain.
2
689BA061 KN
1
► Place a filing gauge (1) that matches the chain
pitch on the chain and press it against the cut‐
ter – if the depth gauge projects from the filing
gauge, the depth gauge has to be lowered.
Saw chains with humped drive link (2) – upper
part of humped drive link (2) (with service mark)
is lowered along with the depth gauge.
WARNING
The other parts of the humped drive link must not
be filed since this may increase the kickback ten‐
dency of the power tool.
689BA051 KN
► File down the depth gauge until it is level with
the filing gauge.
689BA044 KN
► File the top of the depth gauge parallel to the
stamped service marking (see arrow) – but do
not lower the highest point of the depth gauge
in this process.
21 Maintaining and Sharpening the Saw Chain
English
0458-473-0121-E
21
