33 - 120
6 - MAINTENANCE
The distance between the chain teeth is
¼
“. Therefore, use a file with a 4 mm diameter and a flat one.
•
Always sharpen the file from the inner part of the cutting side towards the outer part, keeping a 35° inclination.
•
After the sharpening operation, all the teeth must have the same size (length and width).
35°
10°
1
5
File in the indicated direction
10° grip
When filing, keep a space which is
1/5 of the diameter of the file
Depth calliper
File till it is as flat as
the depth calliper
Round the
angle off
30°
85°
60°
0.64 mm (0.025”)
Parallel
Upper angle
of the plate
Side angle
of the plate
Cutting angle of the upper
side of the plate
Depth calliper
Keep the
angle
Put the depth calliper in stable position on the drive chain, so that the depth marker protrudes.
File its protruding part till it reaches the same level as the depth calliper.
Round the front angle of the depth marker off.