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Cheetah Maintenance Section 4-15
MAINTENANCE
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, bushings, collars, 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 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.
Knives should not be welded on for any reason.
GREASING BOOM CYLINDER PIVOT POINTS
Locate the zerk on the butt end tang of cylinder and on rod end tang. Inject
Lithium-Complex Extreme Pressure grease conforming to NLGI2-ISO 320
specifications until grease begins to protrude from ends. This procedure is to be
used on the main boom cylinder, secondary boom cylinder, deck pivot, and swivel
cylinders daily or at 8 hour intervals.
MAINTENANCE