JB Conversions 2308 Dana 300 - Manual (Page 6)

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7) If you were not able to remove the second tapered roller bearing in step
4, loosen the shift fork set screws and remove the front output yoke nut and
end yoke (Fig.8).
FIG: 8
8) Remove the bolts holding the aluminum front bearing retainer housing
(shift tower) followed by the housing itself (Fig.9). The rails should slide
through the forks as the housing is removed. After the housing/rails are out,
remove the large shift fork and corresponding slider ring. Proceed to step 9.
FIG: 9