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This maintenance schedule is intended solely as a general guide. If performance decreases or if
equipment operates unusually, check systems immediately. The maintenance needs of each piece of
equipment will differ depending on factors such as duty cycle, temperature, air quality, and other factors.
If you have doubts about your ability to safely service this tool, have a qualified technician service the
equipment instead.
MAINT
E
Chain Guide Bar Care
1. Remove the Chain Guide Bar
periodically to clean and lubricate.
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 (purchased by yourself), then lubricate
the nose sprocket at the ports with grease.
Oil Holes
Groove
Grease Port
Figure O: Cleaning and Lubricating Guide Bar
4. Reverse the Guide Bar when replacing the
Saw Chain to prevent uneven wear.
5. The rails of the Guide Bar groove shoalways
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.
Straight
Guide Bar
Ruler
Rail
Saw
Chain
Gap
Figure P: Normal Guide Bar
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
Worn
Guide Bar
Tilting Saw
Chain
Figure Q: Worn Guide Bar
Cleaning, Maintenance, and Lubrication Schedule
NOTE :
Periodic Maintenance or When Replacing Saw Chain:
a. Clean and lubricate Chain
Guide Bar and turn over.
b. Deburr Guide Bar as needed.
c. Check Chain Sprocket for wear or damage.
Monthly Maintenance:
Clean Chain Oil Tank.
If Worn or Damaged:
a. Replace Chain Guide Bar if it becomes
worn, bent or damaged.
b. Sharpen or replace Saw Chain.
Page 20 U1CS21113
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