Stihl MS 382 Instruction Manual page 74

English
ing sharpening and side plate angles, depth
gauge setting, and tooth length, as well as clean‐
ing grooves and oil inlet holes.
24.6 Proper sharpening
► Select sharpening tools in accordance with
chain pitch
► Clamp guide bar if necessary
► Block saw chain – push the hand guard for‐
ward
► To advance the saw chain, pull the hand
guard toward the handlebar: The chain brake
is disengaged. With the Quickstop Super
chain brake system, additionally press the
throttle trigger lockout
► Sharpen frequently, removing little material –
two or three strokes of the file are usually suffi‐
cient for simple resharpening
► Guide the file: horizontally (at a right angle to
the side surface of the guide bar) in accord‐
ance with the specified angle – according to
the markings on the file holder – rest the file
holder on the tooth head and the depth gauge
► File only from the inside outward
► The file only sharpens on the forward stroke –
lift the file on the backstroke
► Do not file tie straps and drive links
► Rotate the file a little periodically in order to
avoid uneven wear
► To remove file burr, use a piece of hardwood
► Check angle with file gauge
All cutters must be equally long.
74
24 Maintaining and Sharpening the Saw Chain
With varying cutter lengths, the cutter heights
also vary and cause rough running of the saw
chain and chain breakage.
► All cutters must be filed down equal to the
length of the shortest cutter – ideally, one
should have this done by a servicing dealer
using an electric sharpener
24.7
The depth gauge determines the depth to which
the cutter penetrates the wood and thus the chip
thickness.
a Required distance between depth gauge and
90°
cutting edge
When cutting softwood outside of the frost sea‐
son, the distance can be increased by up to
0.2 mm (0.008").
Chain pitch
Inches
1/4 P
1/4
3/8 P
0.325
3/8
0.404
24.8
The depth gauge setting is lowered when the
cutter is sharpened.
► Check the depth gauge setting after each
sharpening
Depth gauge setting
Depth gauge
Distance (a)
(mm) mm
(6.35) 0.45
(6.35) 0.65
(9.32) 0.65
(8.25) 0.65
(9.32) 0.65
(10.26) 0.80
Lowering the depth gauges
1
a
(Inches)
(0.018)
(0.026)
(0.026)
(0.026)
(0.026)
(0.031)
2
0458-562-8721-B