From: Dave (gpw1942@verizon.net)
Date: Fri Jul 09 2004 - 03:04:39 PDT
John,
Thanx for the post.
I will keep a copy for when that time come for my M4A1.
DJ in NJ
John Brian Seeling wrote:
>Just got done replacing 5 bogie wheels on the half-track (one cluster of 4
>on the driver's side and one single wheel on the passenger side that was
>looking pretty rough).
>
>I found it absolutely essential to compress the volute springs on both
>sides, but I only had to release the tension (big adjusting nut on the
>spring) on one side. I used a large "track-jack" and some very big wood
>blocks to get the back end completely off the ground so that each track was
>suspended in the air and could be moved easily.
>
>Following the advice in the TM, and since I don't own the "volute spring
>compressor tool," I used two 12 inch long pieces of standard thread (not
>fine thread) 1-inch all thread. Believe it or not, the TM actually provided
>these dimensions and very good and detailed instructions on the procedure
>for compressing the volute springs: 1. remove top roller (under the roller
>are two holes that fit the all-thread perfectly), 2. screw the all-thread
>down into the holes, then 3. take a nut that fits the all-thread and screw
>it down, which compresses each spring individually and eventually pulls the
>crab up and off of the suspension arms.
>
>I want to thank Nigel and the many other list members for the advice,
>especially about working that big nut on the track tension adjuster. In the
>bogie wheel install, I did release the track tension completely on the
>driver's side to remove and replace an entire cluster of 4 wheels; however,
>on the passenger side, I did not have to release the track tension at all,
>as I was replacing an "outside" wheel that didn't require removing the
>entire cluster.
>
>- John Brian Seeling
> Alexandria, LA
>
>
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