JB Conversions 2307 LoMax 300 - Manual (Page 17)

35) Install the retainer plate (Fig.34) and original shim pack in place behind the
bearing cup. Do not seal this plate yet as you may need to reshim if end
play is effected by a new bearing.
Fig.34
36) Arrange the shift forks in the case beginning with the large fork (Fig.35).
Fig.35
37) Insert the aluminum housing/shift rails through the case. The rails should
be worked through the forks as this is done. A bit of oil on the forks will
help them slide through the forks (Fig.36).
Fig.36