Disengage The Chain; Remove Sprocket Cover - Stihl MS250 Manual

REMOVING AND REPLACING TWO DIFFERENT SIZE BARS, SAW CHAINS, AND CHAIN

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. The chain brake is in the off position.
The chain is disengaged.

REMOVE SPROCKET COVER.

3. Remove the two 3/4"bar nuts with 3/4"
wrench.
4. Pull off the chain sprocket cover by first
pulling it out and then secondly push it
forward.
1. Pull Out
2. Push Forward
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SPROCKETS ON A STIHL
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MS 250 CHAINSAW
®
3/4"Bar Nut
Chain Sprocket Cover
3
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Hand Gaurd