SAFETY INSTRUCTIONS
Saw chain
•Saw chain pitch (inches) Spacing between drive
links.
•Drive link width (mm/ inches).
•Number of drive links.
Sharpening your chain and adjusting raker clearance
FILE POSITION
ROUND FILE DIA- METER
FILE DEPTH
1 |
5 |
!WARNING!
The risk of kickback is increased with a badly sharpened chain!
A.General information on sharpening cutting teeth
•Never use a blunt chain. When the chain is blunt you have to exert more pressure to force the bar through the wood and the cuttings will be very small. If the chain is very blunt it will not produce any cuttings at all, just wood powder.
•A sharp chain eats its way through the wood and produces long, thick cuttings.
• The cutting part of the | A |
chain is called the | B |
CUTTING LINK and |
|
this consists of a |
|
CUTTING TOOTH |
|
(A)and the RAKER LIP
(B).The cutting depth is determined by the difference in height between the two.
•When you sharpen a
cutting tooth there are five important factors to remember:
FILING ANGLE
CUTTING ANGLE
It is very difficult to sharpen a chain correctly without the right equipment. We recom- mend you to use a file gauge. This will help you obtain the maximum kickback reduction and cutting performance from your chain.
!The following faults will increase the risk of kickback considerably.
• FILE ANGLE TOO LARGE
• CUTTING ANGLE TOO SMALL
• FILE DIAMETER TOO SMALL
8 – English