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Side & Rear flail Maintenance Section 4-25
MAINTENANCE
50” BOOM FLAIL KNIFE REPLACEMENT
1 – If knives are damaged or badly worn, they will need to be replaced as a set. Replacing
a single knife can cause severe vibration and possible damage to the mower. The knife
should not be welded on for any reason.
2 - Always replace the knife bolts when replacing the knives. DO NOT REUSE THE
KNIFE BOLTS OR NUTS.
3 – Assemble knives, bushings, bolts and nuts as shown in part section of the manual.
4 – Install the locking hex nut so that the flat face of the nut is towards the knife.
4 – apply loctite “271” or equivalent to threads.
5 – Torque nut to 50 ft lbs. Knife must swing freely.
DO NOT re-use the locking hex nuts for mounting the knives. If hex
nut become loose, or require removal for knife replacement or any
other reason, they must be discarded and replaced with new nuts.