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Sharpening / r eplacing the Saw chain
cautiOn! tO preVent inJury: Wear heavy-duty work gloves when handling Saw chain.
1. For smooth and safe operation,
always keep the Saw Chain cutters sharp.
2. Have the cutters sharpened by a qualified technician
when you notice any of the following symptoms:
a. The sawdust becomes powder‑like.
b. You can't make the cut without extra force.
c. The Chainsaw does not cut straight.
d. Vibration increases.
Guide Bar care / r eplacement
1. Remove Drive Cover, Saw Chain, and Guide Bar.
2. Deburr rails of Guide Bar as needed.
Use a flat file to make side edges square.
3. Remove sawdust and sap from the bar groove using
a Guide Bar cleaning tool (sold separately), then
lubricate the nose sprocket at the port with grease.
4. The rails of the Guide Bar groove should
always be parallel to each other. Place a
ruler along the surface of the Guide Bar and
Saw Chain. If there is a gap, the bar is normal.
ruler
Gap
If the ruler is flush with the Guide Bar and
Saw Chain, or the Chain tilts to one side, then
the Bar is worn and needs to be replaced.
ruler
Item 64940
cleaning
tool
Grease
Groove
port
Saw
chain
rail
Straight
Guide Bar
tilting Saw
chain
Worn
Guide Bar
For technical questions, please call 1-888-866-5797.
3. A Saw Chain that is damaged or too worn to be
restored to a usable condition by sharpening will
need to be replaced. Refer to Guide Bar / S aw Chain
Installation/Replacement on page 10.
note: Reverse the Guide Bar when replacing
the Saw Chain to prevent uneven wear. Refer to
Guide Bar Care / R eplacement on page 19.
WarninG! tO preVent SeriOuS inJury: replace
the Saw chain only with an identical Saw chain.
note: Replace the Guide Bar when bent, cracked,
or when the Saw Chain moves excessively from
side to side on the Guide Bar due to wear.
WarninG! tO preVent SeriOuS inJury: replace
the Guide Bar only with an identical Guide Bar.
5. When replacing the Guide Bar: Mount
Bar Support Plate to Guide Bar securely using the
Screw through one of the holes in the Guide Bar.
6. When reversing the Guide Bar: Remove
and mount Bar Support Plate on other side
of the Guide Bar securely using the Screw
through one of the holes in the Guide Bar.
WarninG! tO preVent SeriOuS inJury:
the Bar Support plate is critical to allow the
Guide Bar to properly tighten in place.
Bar Support
plate
Screw
Guide Bar
Saw chain
Page 19
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