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3
65
E
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G
IN
E ASS
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B
LY AN
D CO
NTRO
LS
EXPLODED VIEW OF PRIMARY UNIT:
1) Mainshaft;
2) Roller cage 22x26x13;
3) Fifth gear on mainshaft;
4) Thrust washer;
5) Circlip sw15;
6) Third and fourth gear on mainshaft;
7) Thrust washer;
8) Sixth gear on mainshaft;
9) Second gear on mainshaft;
10) Thrust washer 17x30x1
3.4.2 PRIMARY UNIT ASSEMBLY
Before proceeding with reassembly, clean all the
elements thoroughly and oil them with gear oil.
Always replace the circlips.
Clamp the mainshaft
1
(using protective jaws),
so that the grooved end faces downwards.
Insert onto the lower cylinder part of the shaft:
the roller cage
2
, the 5th gear (
3
) (turning the
front claw clutches upwards), the 26x32x1.5
thrust washer
4
and the circlip
5
.
Insert the III - IV sliding gear (
6
) so that the
smaller gear faces downwards, and then insert
the circlip
5
.
Insert the 23x32x1.5 thrust washer
7
, the rol-
ler 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
17x30x1 thrust washer
10
.