Brother Db2-b714-3 Instruction Manual
View the Brother Db2-b714-3 Instruction Manual for free. All the Brother manuals and user’s guides are available for free view without any registration. You can also download the manual as PDF to your computer.
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CONTENTS
~MECHANISM~ ................................ . ~ASSEMBLY~ ...................................... 14
OJ Upper shaft and needle bar mechanism OJ Needle bar ............................................ 14
[I] Lower shaft and rotary hook [I] Feed mechanism (8706/ 8707) .............. 15
mechanism .......................................... ..
I1J Feed mechanism (8714/ 8716/ 8747) .... 16
[I] Feed mechanism ( 8714/ 8716/ 8747) .... 2
[I] Thread trimmer...](http://img.usermanuals.tech/thumb/13/104668/w300_d_1524652126-brother-db2-b714-3-instruction-manual_d-1.png "Page 2
CONTENTS
~MECHANISM~ ................................ . ~ASSEMBLY~ ...................................... 14
OJ Upper shaft and needle bar mechanism OJ Needle bar ............................................ 14
[I] Lower shaft and rotary hook [I] Feed mechanism (8706/ 8707) .............. 15
mechanism .......................................... ..
I1J Feed mechanism (8714/ 8716/ 8747) .... 16
[I] Feed mechanism ( 8714/ 8716/ 8747) .... 2
[I] Thread trimmer...")
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[I] Upper shaft and needle bar mechanism
I. When the pulley 0 turns in the direction indicated by the arrow, the movement is transmitted to the upper shaft
8 and causes the counter weight 8 to turn.
2. The movement is transmitted to the needle bar connecting rod 8 via the needle bar crank 8 connected to the
counter weight.
3. The needle bar 8 connected to the needle bar clamp 8 is moved up and down.
4.
The needle bar is guided by needle bar bushing U 0 and needle bar bushing D 0.
[I]...](http://img.usermanuals.tech/thumb/13/104668/w300_d_1524652126-brother-db2-b714-3-instruction-manual_d-2.png "Page 3
[I] Upper shaft and needle bar mechanism
I. When the pulley 0 turns in the direction indicated by the arrow, the movement is transmitted to the upper shaft
8 and causes the counter weight 8 to turn.
2. The movement is transmitted to the needle bar connecting rod 8 via the needle bar crank 8 connected to the
counter weight.
3. The needle bar 8 connected to the needle bar clamp 8 is moved up and down.
4.
The needle bar is guided by needle bar bushing U 0 and needle bar bushing D 0.
[I]...")
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[I] Feed mechanism (8714/8716/8747)
•
-------
_...------
I. When the pulley 0 turns in the direction indicated by the arrow, vertical movement is transmitted by the feed
cam
8 mounted to the upper shaft 8 to the forked connector 8 via the feed cam sleeve G.
2. The horizontal feed rocker arm 8 connected to the forked connector 8 is then moved in a circular arc.
3. The feed
bar 8 is moved back and forth by the horizontal feed bar shaft 0 mounted to the horizontal feed...](http://img.usermanuals.tech/thumb/13/104668/w300_d_1524652126-brother-db2-b714-3-instruction-manual_d-3.png "Page 4
[I] Feed mechanism (8714/8716/8747)
•
-------
_...------
I. When the pulley 0 turns in the direction indicated by the arrow, vertical movement is transmitted by the feed
cam
8 mounted to the upper shaft 8 to the forked connector 8 via the feed cam sleeve G.
2. The horizontal feed rocker arm 8 connected to the forked connector 8 is then moved in a circular arc.
3. The feed
bar 8 is moved back and forth by the horizontal feed bar shaft 0 mounted to the horizontal feed...")
View the Brother Db2-b714-3 Instruction Manual for free. All the Brother manuals and user’s guides are available for free view without any registration. You can also download the manual as PDF to your computer.