38
Blades are sold in pairs only, by weight - mount in pairs only.
Shut the unit down, see page 32 for “Safety When Working Under Cutter Deck”. Lift the cutter deck
about one foot above the ground and place jack stands or blocks on each side of the cutter deck to
support the weight of the cutter. Lower the deck to rest on the stands.
The Brown Tree Cutter uses a total of four cutting blades, all four blades are alike. It is necessary
that the blades are installed in the correct sequence. When installing new blades, alternate the
position of the cutting bevel, rst one blade up, next blade bevel down. After all four blades are
installed, bevel up blades will be directly across (180 degrees) the blade bar from each other.
Replacement blades are shipped in pairs by weight, keep blades in pairs - DO NOT MIX - mount
pairs across the bar from each other.
All blades are mounted underneath the blade bar and the blade bolt is inserted from below with the
nut on top of the blade bar.
NOTE: See blade bolt tightening procedure for additional information on blade bolt torque
requirements. See Page 31 for tightening instructions.
NOTICE: IF FOR ANY REASON ONE BLADE MUST BE REPLACED, ITS OPPOSING
BLADE MUST BE REPLACED AT THE SAME TIME TO INSURE PROPER BALANCE
OF THE BLADE BAR. IMPROPER BALANCE OF THE BLADE BAR WILL CAUSE
VIBRATION AND POSSIBLE COMPONENT FAILURE.
Diagram denotes proper blade placement.
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