STIHL MS 241 C-M manual Checking and Replacing the Chain Sprocket, Fit new chain sprocket

Checking and Replacing the Chain Sprocket

NRemove chain sprocket cover, saw chain and guide bar.

NRelease chain brake – pull hand guard against the front handle

Fit new chain sprocket

001BA121 KN

–after use of two saw chains or earlier

–if the wear marks (arrows) are deeper than 0.02 in (0.5 mm) – otherwise the service life of the saw chain is reduced – use check gauge (special accessory) to test

Using two saw chains in alternation helps preserve the chain sprocket.

Use only STIHL original chain sprockets to help ensure reliable functioning of the chain brake.

5

6 2

1

4

3

6 2

1	KN
	001BA122

NUse a screwdriver to remove the E- clip (1)

NRemove the washer (2)

NRemove rim sprocket (3) (if so equipped), clutch drum (4) and needle cage (6).

NInspect transport profile for rim sprocket on the clutch drum (4) – if there are also heavy signs of wear, also replace the clutch drum

NRemove clutch drum with integrated spur chain sprocket (5) (if so equipped) including needle cage (6) from the crankshaft – for powerheads with Quickstop Plus chain brake system, depress throttle trigger lockout beforehand

English

Install spur chain sprocket / rim sprocket

NClean crankshaft stub and needle cage and lubricate with STIHL lubricant (special accessory)

NSlide needle cage onto the crankshaft stub

NAfter refitting, turn the clutch drum and/or spur chain sprocket approx. 1 full turn so that the carrier for the oil pump drive engages

NRefit the rim sprocket – cavities toward the outside

NRefit washer and E-clip on the crankshaft

MS 241 C-M 43