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46 GB
MAINTAINING THE CHAIN
Sharpening the chain
Special tools are required to sharpen the chain; these ensure that the cutting tools are sharpened at the correct angle
and to the correct depth. We recommend that inexperienced chainsaw users have the saw chain sharpened by a spe-
cialist at the nearest customer service location. If you are condent with sharpening your own saw chain, procure the
special tools from professional customer service.
Sharpening the chain
Wear safety gloves when sharpening the chain. All cutting links must have the same width and length after sharpening.
m NOTICE
A sharp chain generates well-shaped chips. If the chain starts to generate sawdust, it must be sharpened.
After sharpening the cutting tools 3 to 4 times, you must check the height of the depth limiter and, if necessary, use a at
le to make this deeper and then round o the front corner.
Chain Sharpening
m NOTE!: For smooth and safe operation, it is important that the chain is always sharp. The chain should be sharpened
when:
• Wood shavings are dust-like.
• You have to expend extra power sawing.
• The saw cut is not straight.
• The vibration increases.
• Fuel consumption increases.
m NOTE
We recommend that a professional sharpen the chain.
Instructions for sharpening a saw chain:
Chainsaw type
File diameter Upper angle lower angle
Upper tilt angle
(55 °)
Standard depth
Chucking rotation
angle
Chucking
inclination angle
side angle
21PBX approx. 4,8 mm 30° 10° 85° 0,64 mm
depth stop le
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