STIHL MS 660 MAGNUM manual Disengaging the chain brake, Removing the chain sprocket cover

	Disengaging the chain brake.
Mounting the Bar and Chain

		English
3	1	1

Removing the chain sprocket cover

143BA034 KN

NUnscrew the nuts and take off the chain sprocket cover.

001BA186 KN

NPull the hand guarad towards the front handle until there is an audible click – the chain brake is disengaged.

Fitting the chain

2 4	KN
	001BA187

NFit the guide bar over the studs (1) – the cutting edges on the top of the bar must point to the right.

NEngage the peg of the tensioner slide in the locating hole (2) –- place the chain over sprocket (3) at the same time.

N Turn the tensioning

screw (4)clockwise until there is

	1
2	KN
	001BA185

NTurn the screw (1) counterclockwise until the tensioner slide (2) butts against the left end of the housing slot.

143BA003 KN

WARNING

Wear work gloves to protect your hands from the sharp cutters.

NFit the chain – start at the bar nose.

very little chain sag on the

underside of the bar – and the drive

link tangs are engaged in the bar

groove.

NRefit the sprocket cover and screw on the nuts only fingertight.

NGo to chapter on "Tensioning the Saw Chain"

MS 660 27