Brother International MD-817 Service Manual - Page 43

Sewing, speed, machine

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El Sewing speed of each machine Model No. & Spec B737-1 -3 -5 B747-5 B748-7 B798 B852 B853 B854 B791-3 -5 B774 B842-3 -5 B845 B847 B848 6730-1 -3 LS2-6883 FD4- 627X FD3-B25X High Speed 4,000 5,000 3,500 3,500 2,500 2,000 4,500 4,500 4,500 4,500 3,500 4,500 4,000 3,500 3,000 4,000 3,000 4,000 5,000 1,000 6,000 6,000 Each Sewing Speed Backtacking Speed 1,800 1,800 1,800 1,800 1,800 900 1,800 1,800 1,800 1,800 1,800 1,800 1,000 1,000 1,000 1,000 1,000 1,800 1,800 - - Thread trimming speed 215 215 215 215 215 215 185 185 185 215 215 215 185 185 185 185 185 215 215 185 215 215 Motor pulley (outer diameter) 105 125 90 90 90 80 105 105 105 105 90 105 105 90 90 90 90 105 125 80 125 125 - 39 -

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El
Sewing
speed
of
each
machine
Model
No.
&
Spec
Each
Sewing
Speed
Motor
pulley
(outer
di
ameter)
High
Speed
Backtacking
Speed
Thread
trimming
speed
B737-1
4,000
1,800
215
105
-3
5,000
1,800
215
125
-5
3,500
1,800
215
90
B747-5
3,500
1,800
215
90
B748-7
2,500
1,800
215
90
B798
2,000
900
215
80
B852
4,500
1,800
185
105
B853
4,500
1,800
185
105
B854
4,500
1,800
185
105
B791-3
4,500
1,800
215
105
-5
3,500
1,800
215
90
B774
4,500
1,800
215
105
B842-3
4,000
1,000
185
105
-5
3,500
1,000
185
90
B845
3,000
1,000
185
90
B847
4,000
1,000
185
90
B848
3,000
1,000
185
90
6730-1
4,000
1,800
215
105
-3
5,000
1,800
215
125
LS2-6883
1,000
-
185
80
FD4-
627X
6,000
-
215
125
FD3-B25X
6,000
-
215
125
-
39
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