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63" 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.
2.
Assemble knives, clevis, bolts and nuts as shown in part section of manual.
3.
Install locking hex nut so that the flat face of nut is towards the knife.
4.
Apply Loctite 271 or equivalent to threads.
5.
Torque nut to 35 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.
Knives should not be welded on for any reason.
HEAVY DUTY SPINDLE ASSEMBLY INSTALLATION AND BEARING
ADJUSTMENT
WARNING! A press MUST be used to install bearing cups, bearing cones, and seals. DO NOT use a hammer
to install races, bearings, or seals. The parts of assembly may be damaged.
NOTE: The grease zerk and gussets are located on the top side of the spindle housing. Be sure the spindle is
assembled correctly.
Be sure to wear eye protection and other protective equipment as needed when working on spindle assembly.
Boom
©2020 Alamo Group Inc.
MAINTENANCE
Maintenance Section 4-25
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