Remove sleeve gear sprocket nut (5), which has a left-hand thread.
Use a good fitting ring spanner across the flats and refer to method of
removing this type of sprocket nut described for Lightweight gear box.
Remove sleeve gear Sprocket which is splined; also distance piece.
Remove sleeve gear by tapping it through the bearing (17).
Removing sleeve gear bushes. Two thin bushes of the Oilite type are
used as a bearing for the mainshaft.
Note the location of these bushes in situ, before they are pressed out.
As the material is somewhat brittle, exercise extreme care in pressing in
the new bushes.
The internal diameter of both bushes in situ is .81325" to .81200".
Removing sleeve gear bearing (17). Remove by prising out the oil seal
(16) and sleeve for seal.
Remove bearing after first heating shell and drift out.
Alternatively drop the shell face downwards on a clean bench, when
this bearing, also the layshaft bearing (22), will drop out.
Removing the hearings. Pre-heat the inner cover and press out from
inside the case the mainshaft bearing (77).
If desired the kickstarter axle bush can be extracted at the same time.
To do this, firmly support the inside face of the cover and press out the
bush from outside the cover.
Removing the footchange spindle bush (99). This is fitted into a blind
aperture. Pre-heat the case and screw in a coarse threaded tap to extract.
Use the same method to remove the bush in the kickstarter axle.
NOTE—The footchange bush does not require reaming when renewed.
If the kickstarter axle bush 040146 is renewed, ream to .6875" to .6865"'
in situ.
FIG
18
66
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