AMA PP.26.430, Operator'S Manual

Page: 70 / 101

Maintaining and Sharpening the Saw Chain
Cutting effortlessly with a correctly sharpened chain
A properly sharpened chain slices through wood effortlessly and requires very
little feed pressure.Do not work with a dull or damaged chain as it will increase
the physical effort required, produce unsatisfactory results and a higher rate of
wear.
●
Clean the chain.
●
Check the chain for cracks in the links and damaged
rivets.
●
Replace any damaged or worn parts of the chain and match the new
parts to the shape and size of the original parts.Carbide-tipped saw chains are
particularly wear resistant. The saw chain cannot be locked in place on the
guide bar. Therefore, it is best to remove the chain from the bar and resharpen it
on a workshop sharpening tool (FG 2, HOS, USG).
It is absolutely essential to comply with the angles and dimensions specified
below. If the saw chain is incorrectly sharpened – and in particular if the depth
gauge is set too low – there is an increased risk of kickback, with resulting risk
of injury.
The chain pitch (a) is marked on the
depth gauge end of each cutter.
A-Filling angle B-Side plate angle
Chain type Angle(o)
Rapid Micro (RM) A:30 B:75
Picco Micro (PM) A:30 B:75
Use only special saw chain sharpening files. Other files have the wrong shape
and cut.Select file diameter according to chain pitch – see table “Sharpening
Tools”.You must observe certain angles when resharpening the chain cutter.
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