[MV] Re: neutering

Douglas Greville (dgrev@apollo.ruralnet.net.au)
Thu, 08 Oct 1998 16:46:12 +0930

With all this discussion about having axles and whatnot disconnected
I would like to point something out. My info is purely tank related
and therefore probably represents a "worst case" scenario.
With tank turret bearing rings sitting stationary and all the attendant
vibration from tracks, the ball bearings (typically 1" diameter or greater)
tend to get flat spots on them as do the ball races.
I have heard that you should "excercise" the turret, probably for many
reasons but mainly to move the bearing system around so that everything
doesn't stay in the same spot or return to the same spot.

My Ferret has a very noticable flat spot (a 3 x conventional ball bearing
system) at the straight ahead position, it being a wheeled vehicle I was
quite surprised that this has happened, it has 1500 miles since base
workshop overhaul.

Now to get to my point.

What will happen to the diff., carrier bearings and for that matter any
other bearings or bushings in a "neutered" axle. When you do have to use
the thing what will be the result? Will the bearings collapse?
Just how quick does flat spotting occur?

Is it far better to pull all un-needed components out (diff, drive shaft,
axles etc) store them away safely and make blanking plates to cover all
openings?

Regards
Doug

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Armoured Vehicles Collector
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dgrev@ruralnet.net.au

Web Armour site at: http://Fast.to/DG

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