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Locate the bushing seals(5) on the
groove pre-arranged on the bushings(9).
Then locate the back-up rings(5).
Smear clean grease on the seals and
back-up rings to avoid they drift away.
Remember that the seals and back-up
rings are the same, but the bushings of
the rear section are different from those
on the front section.
Assemble the group drive gears + driven
gears + bushings + seals + back-up rings,
as shown on the picture.
Seal side should face to the rear side,
opposite side of gears.
Pay attention to the direction of seal.
(Open side should face suction side
always)
Fit the seals(4) on the pre-arranged
groove of the bodies(1) and of the plate
(14).
Smear clean grease on the seals to
avoid they drift away from the bodies
and plate.
Assemble the rear section, insert the
complete group, realized on the step 4,
inside of the body.
Take care to keep it as straight as
possible with the body while the
assembling.
Then assemble the reference pins
(21)(22), the cover(2) and the plate(14).
Reference pins(22) are longer then
(21).
Front
section
10
9
5
11
Front
section
1
4
21
2
4-47
5
9
15
9
5
16
Rear
Section
14
4
1
4
4
22
14
5
9
Rear
Section
100D7BS51
100D7BS52
4
100D7BS53
100D7BS54
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