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F11-3
F11-4
48
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11. Maintenance of Saw Chain and Guide Bar
Make sure every cutter has the same length and edge
angles as illustrated. (F11-3)
(1) Cutter length
(2) Filing angle
(3) Side plate angle
(4) Top plate cutting angle
■ GUIDE BAR
• Reverse the bar occasionally to prevent partial wear.
• The bar rail should always be a square. Check for
wear of the bar rail. Apply a ruler to the bar and the
outside of a cutter. If a gap is observed between
them, the rail is normal. Otherwise, the bar rail is
worn. Such a bar needs to be corrected or replaced.
(F11-4)
(1) Ruler
(2) Gap
(3) No gap
(4) Chain tilts
Bar Size
14" (35cm)
For replacement use only above bars and chains or
the following:
OREGON BAR
14 inch S/N DOUBLE GUARD BAR
Mount code #A041.
OREGON CHAIN
91SG
RedMax Part Number
Guide Bar
Saw Chain
G0011
91SG52X
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