•
••
•
Turn the bar over -
every time you sharpen the chain -
and every time you replace the chain -
this avoids one-sided wear,
especially at nose and
underside of the bar.
Regularly clean
1 = oil inlet hole
2 = oilway
3 = bar groove.
•
••
•
Measure groove depth -
with scale on filing gauge* -
at nose of Duromatic bars -
in area used most for cutting
on Rollomatic bars -
*Special accessory
Chain Pitch Minimum
type groove depth
Rapid 3/8" 6.0 mm (0.24")
Rapid 0.404" 7.0 mm (0.27")
If groove depth is less than specified:
Replace the guide bar.
The drive link tangs will otherwise
scrape along the bottom of the
groove -
the cutters and tie straps will not
ride on the bar rails.
Take Care of Guide Bar
2
3
1
143BA026 KN
38 066
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