P
OWER
P
RUNER
O
WNER
'
S
M
ANUAL
31
FILING
SAW
CHAIN
Level 3.
IMPORTANT
Dull or damaged cutter will result in poor cutting performance,
increased vibration, and premature saw chain failure.
WARNING DANGER
Always stop engine and wear gloves when filing saw chain,
otherwise serious personal injury may result.
1. Set round file (A) in cutter at 30
° angle. One-fifth (1/5) of the file
should be exposed above top cutter edge.
2. Keep file horizontal in cutter and file in one direction.
3. File until cutter top and side bevel edges are sharp without nicks.
4. Place depth gauge tool (B) firmly on top of cutter with .635 mm
(.025 in.) slot end against front cutter raker. File cutter raker with
flat file until flush with top of depth gauge.
5. Finish cutter sharpening by rounding front raker edge (C) with flat
file.
6. Properly filed cutter is as shown.
7. Apply clean oil and rotate saw chain slowly to wash away filings.
8. If saw chain is coated or clogged with resin, clean in kerosene and
soak in oil.
A
1
2
3
1/5
(TOP PLATE ANGLE)
(SIDE PLATE ANGLE)
(DEPTH GAUGE)
(TOP PLATE CUTTING ANGLE)
.025"
B
C
.025"