Stihl MS 162 Instruction Manual - Page 29
Lubricating the Saw Chain, and Guide Bar
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11 Lubricating the Saw Chain and Guide Bar ► If the chain cannot be moved along the guide bar, it is too tight. - Reduce the tension by turning the adjusting wheel counterclockwise until the chain can move freely along the guide bar. - Ensure that the drive links remain in the groove and that the distance (a) between the underside of the guide bar and the chain is within 0.04 in. (1 mm) and 0.08 in. (2 mm). ► Once the chain is properly tensioned, lift the guide bar tip and tighten the wingnut by hand to secure the chain sprocket cover. ► Finally, ensure that the distance (a) between the underside of the guide bar and the chain is within 0.04 in. (1 mm) and 0.08 in. (2 mm). NOTICE ■ Always release tension on the chain after fin‐ ishing work. The chain contracts as it cools down. If it is not slackened, it can damage the drive shaft and bearings. Properly re-tension the chain before using the saw again. 11 Lubricating the Saw Chain and Guide Bar 11.1 Bar and Chain Lubricant English cant. STIHL recommends using rapidly biode‐ gradable STIHL BioPlus. NOTICE ■ Biodegradable chain oil must be resistant to aging, since it will otherwise quickly turn to resin. This results in hard deposits that are dif‐ ficult to remove, especially in the area of the chain drive and chain. It may even cause the oil pump to seize. NOTICE ■ Waste oil does not have the necessary lubri‐ cating properties and is unsuitable for chain lubrication. 11.2 Filling the Chain Oil Tank Opening and Filling the Chain Oil Tank To fill the chain oil tank: ► Shut off the engine, 15.1. ► Engage the chain brake, 12.1. ► Position the chain saw on a level surface with the oil filler cap facing upwards. ► Clean the area around the oil filler cap with a slightly dampened cloth. WARNING ■ Never operate your saw without bar and chain lubrication. If the chain runs dry, the cutting attachment will be damaged beyond repair within a very short time. A damaged chain may break, resulting in severe or fatal per‐ sonal injury. Always check chain lubrication and the oil level in the tank before starting work and periodically during work. WARNING ■ Never use waste oil to lubricate your STIHL saw chain and guide bar. Repeated contact with waste oil can cause skin cancer. More‐ over, waste oil is environmentally harmful. Bar and chain oil lubricates and cools the rotat‐ ing saw chain. The service life of the chain and guide bar depends on the quality of the lubricant. It is therefore essential to use only a specially formulated chain lubricant. ► For automatic and reliable lubrication of the chain and guide bar, use only an environmen‐ tally compatible quality chain and bar lubri‐ 0458-200-8621-A ► Turn the oil filler cap counterclockwise until it can be removed. ► Remove the oil filler cap and fill the tank with chain oil. ► Take care not to spill chain oil while refilling the tank. ► Do not overfill the tank. Leave approximately 0.5 in. (13 mm) of air space. To close the tank: 29 0000-GXX-1206-A1 0000-GXX-1205-A1