Minimum Groove Depth Of Guide Bars; Depth Gauge Setting; Symbols On The Chain Saw; Engineering Improvements - Stihl MS 261 Instruction Manual

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24.4 Minimum Groove Depth of Guide Bars

The minimum groove depth of a guide bar depends on the
pitch of the guide bar.
– Minimum groove depth for .325" pitch guide bars:
0.236 in. (6 mm)

24.5 Depth Gauge Setting

The depth gauge setting of a saw chain depends on the pitch
of the chain.
– Depth gauge setting for .325" pitch chains: 0.026 in.
(0.65 mm)

24.6 Symbols on the Chain Saw

Engage and disengage the chain brake.
Fuel Tank
Chain Oil Tank
Direction of saw chain rotation
Oil Flow Adjusting Screw
Turn clockwise to tension the saw chain
Shutter configuration for winter operation
Shutter configuration for summer operation
64
Decompression Valve
Position of the Master Control Lever: Engine is shut
off
Position of the Master Control Lever: Engine is shut
off
Position of the Master Control Lever: Engine runs or
can fire
Position of the Master Control Lever: Used to start a
warm engine
Position of the Master Control Lever: Used to start a
cold engine
Certification/listing mark of UL
STIHL products must not be disposed of in the
household trash, but only in accordance with local,
state and federal laws and regulations and as
provided in this manual, @ 27.

24.7 Engineering Improvements

STIHL's philosophy is to continually improve all of its
products. As a result, engineering changes and
improvements are made from time to time. Therefore, some
changes, modifications and improvements may not be
covered in this manual. If the operating characteristics or the
appearance of your machine differs from those described in
this manual, please contact your STIHL dealer or the STIHL
distributor for your area for assistance.
24 Specifications
0458-573-8621-C