3
REMOVING AND REPLACING TWO DIFFERENT SIZE BARS, SAW CHAINS, AND CHAIN
SPROCKETS ON A STIHL
®
MS 250 CHAINSAW
3DSANDS.COM © 2015
3DSANDS.COM © 2014
3DSANDS.COM © 2014
3DSANDS.COM © 2014
DISENGAGE THE CHAIN.
1. Grasp the hand guard.
2. Pull the hand guard towards the rear
of the saw and listen for the discernible
clicking sound of the chain brake disengaging.
This releases the tension so that the saw chain can
move freely. The saw chain needs to move freely
throughout the course of this procedure. The
hand guard is considered to be part of the chain
brake.Thechainbrakeisintheoposition.
The chain is disengaged.
REMOVE SPROCKET COVER.
3. Remove the two 3/4”bar nuts with 3/4”
wrench.
4. Pull o the chain sprocket cover by rst
pulling it out and then secondly push it
forward.
Hand Gaurd
Chain Sprocket Cover
1. Pull Out
2. Push Forward
3/4”Bar Nut
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