[xk] JL Gearbox Assembly

Listers,

I am getting ready to put my 120 JL gearbox together, and wanted to ask some
advice on assembly of the extension cover and the countershaft.

The manual states that the reverse gear shaft and the countershaft should be
in place and secured on the extension housing and the two shafts inserted
simultaneously.

Looking at it, why couldn’t the shafts with the gear sets first be installed
in the case, and the extension housing pressed on afterwards? Any tried
this?

Allan
679474

Yes, the manual tells you the hard way to do it. I can’t imagine why, other
than maybe the factory assembly line workers building these boxes all day
every day had worked out some quicker way to do these, possibly with the box
upside down, and the manual writer simply watched them do it this way?

Put the 2 shafts in the main case first, then put the tail case on
afterwards. That’s how I always do it. I have a special piece of 1" diameter
wood dowel cut the same length as the countershaft, and the real layshaft
pushes the dowel out the front.
Rob Reilly - 679187

The manual states that the reverse gear shaft and the countershaft should
be
in place and secured on the extension housing and the two shafts inserted
simultaneously.

Looking at it, why couldn’t the shafts with the gear sets first be
installed
in the case, and the extension housing pressed on afterwards? Any tried
this?

In reply to a message from RJ_Reilly sent Sat 28 Jul 2007:

Allan & Rob,

I agree. If you are installing a new countershaft, of course, you
can use the old one to mount up the cluster and roller bearings and
slide everything over the new one in the casing.–
IMM
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