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Stihl MS 210, 230, 250 Instruction Manual: Maintaining And Sharpening The Saw Chain

Stihl chain saw instruction manual.
Install spur chain sprocket / rim
sprocket
N
Clean crankshaft stub and needle
cage and lubricate with STIHL
lubricant (special accessory)
N
Slide needle cage onto the
crankshaft stub
N
After refitting, turn the clutch drum
and/or spur chain sprocket approx.
1 full turn so that the carrier for the
oil pump drive engages
N
Refit the rim sprocket – cavities
toward the outside
N
Refit washer and E-clip on the
crankshaft
50
Maintaining and
Sharpening the Saw Chain
Cutting effortlessly with a correctly
sharpened chain
A properly sharpened chain slices
through wood effortlessly and requires
very little feed pressure.
Do not work with a dull or damaged
chain as it will increase the physical
effort required, produce unsatisfactory
results and a higher rate of wear.
N
Clean the chain.
N
Check the chain for cracks in the
links and damaged rivets.
N
Replace any damaged or worn
parts of the chain and match the
new parts to the shape and size of
the original parts.
Carbide-tipped saw chains (Duro) are
particularly wear resistant. STIHL
recommends you have your chain
resharpened by a STIHL servicing
dealer.
It is absolutely essential to comply
with the angles and dimensions
specified below. If the saw chain is
incorrectly sharpened – and in
particular if the depth gauge is set
too low – there is a risk of
increased kickback of the saw,
with resulting risk of injury.
MS 210, MS 210 C, MS 230, MS 230 C, MS 250, MS 250 C
The chain pitch (a) is marked on the
depth gauge end of each cutter.
Mark (a)
Chain pitch
inch
1/4 or 1
1/4
P, PM or 6
3/8 P
325 or 2
0.325
3/8 or 3
3/8
404 or 4
0.404
Use only special saw chain
sharpening files. Other files have the
wrong shape and cut.
Select file diameter according to chain
pitch – see table "Sharpening Tools".
You must observe certain angles when
resharpening the chain cutter.
A
B
A
Filing angle
B
Side plate angle
a
mm
6,35
9,32
8,25
9,32
10,26

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