Bernina 900 electronic - Page 5

Setting
needle:
=
705 B-80
Needle deflection:
With
lifting bar
suspension:
2
Needle
plate upper
edge:
4.5
At
shuttle
tip:
463
Needle
bar
stroke:
V
33 73
Loop
stroke:
left
1 8
Shuttle
travel:
220
18' 30
Rack
travel:
34.6
Lift
crank
radius
17 3
Take-up
lever travel:
= 61
Presser
foot
lift:
= 6.5
Darner
stroke:
2,92
Speed:
Motor:
7400
rpm
Cone
pulley:
= 2372
rpm
Frame
shaft:
= 1120
rpm
Gear
ratio:
Overall:
6.6
1
Motor:
Cone
pulley
312
1
Cone
pulley: spindle
2,12
1
Base circumference:
245
mm
Machine
dimensions:
Overall
length:
= 399
mm
Overall
width:
178
mm
Overall
height:
350.5
mm
8
12
13
14
16
;
4
22
21
20
Fig
2
3