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ENGINE CHECKS AND ASSEMBLY
3.4.2 PRIMARY UNIT ASSEMBLY
Before proceeding with reassembly, clean all the
parts thoroughly and oil with gear oil. Always replace
the circlips.
Clamp the main shaft 1 (using protective jaws), so
that the grooved end faces downwards.
EXPLODED VIEW OF PRIMARY UNIT:
1) Main shaft;
2) Roller cage 22x26x13;
3) Fifth on primary;
4) Thrust washer;
5) Circlip sw15;
6) Third and fourth on primary;
7) Thrust washer;
8) Sixth on primary;
9) Second on primary;
10) Thrust washer 17x30x1
Insert onto the lower cylinder part of the shaft: the
roller cage 2, the 5th gear 3 turning the front claw
clutches upwards, the thrust washer 4 (26x32x1.5)
and the circlip 5.
Insert the 3rd – 4th sliding gear 6 so that the smaller
gear faces downwards, and then insert circlip 5.
Insert the thrust washer 7 (23x32x1.5), the roller
cage 2, the 6th gear 8 with the front claw clutch
facing downwards, the 2nd gear 9 with the cavity
facing upwards and finally the thrust washer 10
(17x30x1).
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