Filling Chain Oil Tank; Checking Chain Lubrication; Chain Brake - Stihl MS 151 TC Instruction Manual

English
WARNING
Do not use waste oil. Renewed contact with
waste oil can cause skin cancer. Moreover,
waste oil is environmentally harmful.
NOTICE
Waste oil does not have the necessary lubricat‐
ing properties and is unsuitable for chain lubrica‐
tion.

12 Filling Chain Oil Tank

12.1 Preparations
► Thoroughly clean the oil filler cap and the area
around it to ensure that no dirt falls into the
tank.
► Position the machine so that the filler cap
faces up.
► Open the filler cap.
12.2 Filling up with chain oil
► Refill the chain oil tank every time you refuel.
Take care not to spill chain oil while refilling and
do not overfill the tank.
STIHL recommends you use the STIHL filler noz‐
zle for chain oil (special accessory).
► Closing the Tank Cap
There must still be a small amount of oil in the oil
tank when the fuel tank is empty.
If the oil level in the tank does not go down, the
reason may be a fault in the oil supply system:
Check chain lubrication, clean the oilways, con‐
tact your dealer for assistance if necessary
STIHL recommends that you have servicing and
repair work carried out exclusively by an author‐
ized STIHL servicing dealer.
16
13 Checking Chain Lubrica‐
tion
The saw chain must always spin off a small
amount of oil.
NOTICE
Never operate your machine without chain lubri‐
cation. If the saw chain runs dry, the cutting
attachment may very quickly be damaged
beyond repair. Before starting work, always
check the chain lubrication and oil level in the
tank.
Every new saw chain needs a run-in time of 2 to
3 minutes.
After the saw chain has run in, check the tension
of the chain and correct if necessary – see
"Checking the chain tension".

14 Chain Brake

14.1 Locking the Chain
– in an emergency
– when starting
– at idling speed
The chain brake is activated by pushing the hand
guard toward the bar nose with your left hand –
12 Filling Chain Oil Tank
0458-508-8321-B