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Place the set of the secondary shaft/main shaft
equipped with its control fork of the double
rocker pinion, in the case.
Place the bent fork (A) on the secondary shaft n
the pinion of the fifth (control of the first and
third) and the second pin (B) on the rocker
pinion of the sixth (control of the second and the
fourth). Place the selector drum, after oiling its
shaft, and place the hole guides starting with the
pin of the fifth-sixth in the intermediate drum
hole. After this, place the pin first-third in the
inferior hole and, finally, the pin of the second-
fourth in the superior hole.
Place the fork shaft of the secondary shaft in its
seat.
Verify the good change of the gears activating
the selector drum with one hand, turning the
main shaft with the other hand.
ASSEMBLY OF THE SELECTOR SHAFT:
Place the selector drum in the fourth position
(the bolt of the aligned mechanism virtually
with the fork shaft of the secondary shaft).
Place the selector shaft equipped with its
washers (with a thickness of 0.6 mm in each end
(12x17x0.6 and 10x16x0.6) taking care that you
place the ends of the spring of both sides of the
fixing shaft.
Place the friction washer (10x16x0.6) on the
selection drum.
Place the friction washer (20.45x25x0.6) on the
secondary shaft.
The side set of the secondary shaft must not be
bigger than 0.2 mm.
NOTE: the placing of the selector drum in
fourth position allows
the assembly of the selector shaft without being
bothered by
the bolt of the mechanism.