Y-Carriage Belt And Gear Wheels - Bernina arista 165 Service Manual

Y-Carriage Belts and Gear Wheels
56
60a
61a
60c
60b
61c
61b
Y Disassembly:
1) Remove covers D
2) Loosen belt tension with screw (53)
65
3) Remove screws (54, 55)
63
4) Remove Y- Profile (56)
5) Slide out hoop support (57) (page 95)
6) Remove clip (58) (page 95)
7) Remove belt (59) (page 95)
8) Remove required circlip (60a, b, c)
9) Remove required gear wheel (61a, b, c).When exchan-
Assembly:
1) Position gear wheel (61a, b, c) and secure with circlip
65
2) Check for ease of run. Caution! Gear wheels have to
3) Position belt (59) (page 95)
53
4) Attach clip (58) (page 95)
5) Slide in hoop support (57) (page 95)
6) Put belt on the gear wheels
7) Fasten Y- Profile(56) with screws (54, 55).
8) Set belt tension 2kg: Hook a tension spring gauge into
Alternative method:
9) Reattach cover D
10) Attach embroidery module to the sewing computer
11) Check all functions in service program 6
12) Download and embroider the test sample in the service
13) Compare embroidery results with the table (page 85)
ging the gear between motor and belt, always remove
the belt gear first.
(60a, b, c)
The rear belt gear wheel consists of three parts. When
assembling put the spring with the nose into the cutout
of the upper part first. Then position the lower part so
that also this nose engages into the cutout of the lower
part. Turn upper and lower part against each other and
put on the spindle this way. When positioning into the
intermediate gear wheel make sure that there is no space
between upper and lower part and that the tension bet-
ween upper and lower part is always at hand.
be set without any play! Loosen stepping motor, set
it and tighten it again if necessary.
Caution! The profile must lie on the guide lugs!
the aperture (Y) and tighten screw ( 53 ) refit cover D
The complete X and Y carriage including S-print weighs
exactly 2kg, therefore this can be used as a weight.
Remove all covers A to D:
Remove screws (26, 27) and remove the complete X and
Y carriage (page 90).
Place a screwdriver under the gear wheel spindle (65) (see
sketch) and let the whole unit pendle on the screwdriver
and at the same time secure screw (53). Replace the com-
plete X and Y-carriage and secure with screws (26 & 27)
(page 90). Refit all covers A to C.
program 6i