Oregon PN2500N Instruction Manual page 84

5
- Check the sharpening angles as shown in (fig.41 items 2-3).
- Sharpen the chain by filing it from the inside to the outside (fig.41 item 5)
all the teeth on one side, then all the teeth on the opposite side.
- Position the file so that it overhangs by around 1mm (fig.41 item4) over
the level where the cutters are located.
Note: The saw chain is recommended to be checked and sharpened by a
qualified specialist or service center.
Chain lubrication:
before each job, please check the efficiency of the chain lubrication and
check the oil level in the tank ; do not work without chain lubrication: even a
short use without lubrication, would definitely damage either the bar or the
chain.
The efficiency of the oil flow can be tested (with accelerated engine) by
GB
84
Fig.41