Stihl MS 441 C-Q MAGNUM Product Instruction Manual - Page 33

Filling Chain Oil Tank Preparing the machine All versions Take care not to spill chain oil during refilling and do not overfill the tank. N Close the filler cap There must still be a small amount of chain oil in the oil tank when the fuel tank is empty. If the oil tank is still partly full, the reason may be a problem in the oil supply system: Check chain lubrication, clean the oil passages, contact your servicing dealer for assistance if necessary. STIHL recommends that maintenance and repair work be carried out only by authorized STIHL dealers. English Checking Chain Lubrication 001BA158 KN 143BA024 KN N Thoroughly clean the filler cap and the area around it to ensure that no dirt falls into the tank N Always position the machine so that the filler cap is facing upwards N Open the filler cap Filling Chain Oil Tank Standard oil pump N Refill the chain oil tank every time you refuel Oil pump with increased delivery rate (available option) Frequent checking and refilling of the oil tank is necessary - see "Adjusting oil quantity". N Refill the chain oil tank when the fuel tank is approximately half empty MS 441 C-M The saw chain must always throw off a small amount of oil. NOTICE Never operate your saw without chain lubrication. If the chain runs dry, the whole cutting attachment will be irretrievably damaged within a very short time. Always check chain lubrication and the oil level in the tank before starting work. Every new chain has to be broken in for about 2 to 3 minutes. After breaking in the chain, check chain tension and adjust if necessary - see "Checking Chain Tension". 31