Storing the Machine
For periods of 3 months or longer
NDrain and clean the fuel tank in a well ventilated area.
NDispose of fuel properly in accordance with local environmental requirements.
NRun the engine until the carburetor is dry – this helps prevent the carburetor diaphragms sticking together.
NRemove the saw chain and guide bar, clean them and spray with corrosion inhibiting oil.
NThoroughly clean the machine – pay special attention to the cylinder fins and air filter.
NIf you use a biological chain and bar lubricant, e.g. STIHL BioPlus, completely fill the chain oil tank.
NStore the machine in a dry, high or locked location, out of the reach of children and other unauthorized persons.
Checking and Replacing the Chain Sprocket
NRemove the chain sprocket cover, chain and guide bar.
NDisengage the chain brake: Pull the hand guard toward the front handle.
Replace the chain sprocket
143BA042 KN
–after using two saw chains or sooner
–if the wear marks (arrows) are deeper than 0.02 in (0.5 mm) since this would reduce the life of the chain. Use a gauge (special accessory) to check the depth of the wear marks.
It is best to use two saw chains in rotation with one sprocket.
STIHL recommends the use of original STIHL sprockets to ensure correct operation of the chain brake.
English
001BA086 KN
NUse a screwdriver to remove the E- clip.
NRemove the washer.
NPull the sprocket and needle cage off the crankshaft.
Installing the chain sprocket
NClean the crankshaft stub and needle cage, and lubricate with STlHL grease (special accessory).
NPush the needle cage on to the crankshaft.
NAfter fitting the chain sprocket, rotate it about one turn to engage oil pump drive.
NRefit the washer and
MS 170, MS 170 C, MS 180, MS 180 C | 41 |