Operation Manual
17FG 2
English
Use only special saw chain sharpening 
files. Other files have the wrong shape 
and cut and are unsuitable for 
sharpening saw chain. 
: Select the round file (special 
accessory) that matches the chain 
pitch.
: Place the selected file (1) in the 
filing frame.
: Tighten down the screws (2) 
moderately.
Check the Saw Chain
: Replace any damaged or worn parts 
of the chain and match the new 
parts to the shape and size of the 
original parts.
Clamping the Saw Chain
: Place the saw chain in the chain rest 
– the cutting edges must point to the 
right.
: Turn the clamping lever (1) to the 
right – the longitudinal rib on the 
clamping lever must face outwards.
: Tighten down the lock nut (2) 
moderately until the chain is locked 
in position.
: Turn the clamping lever to the left to 
release the chain and to the right to 
lock the chain.
Finding the Master Cutter
The shortest cutter is used as the master 
cutter for filing all other cutters.
: Use a slide caliper to find the 
shortest cutter and mark it, e.g. with 
chalk.
Chain Pitch Round File Ø
inch  mm mm inch
1/4  6.35 4.0 5/32
3/8 PMN  9.32 4.0 5/32
3/8 P  9.32 4.0 5/32
0.325  8.25 4.8 3/16
3/8  9.32 5.2 13/64
0.404 10.26 5.5 7/32
Selecting and Fitting File
564BA003 KN
1
2
2
Setting Up
1
564BA004 KN
2
523BA012 KN










