Installing The Treadle Unit (Motor-Driven Work Clamp Specifications); Installing The Two-Pedal Foot Switch (Pneumatic Work Clamp Specifications) - Brother BAS-300G Basic Operation Manual

3-7. Installing the treadle unit (motor-driven work clamp specifications)

3-8. Installing the two-pedal foot switch (pneumatic work clamp specifications)

(1) Treadle unit
(2) Bolts [3 pcs.]
(3) Plain washers [3 pcs.]
(4) Spring washers [3 pcs.]
(5) Nuts [3 pcs.]
NOTE:
• Install the bolt for mounting hole A before installing the oil
pan. (Refer to "3-3. Installing the oil pan.")
• Mounting hole B is used to install the gas spring supports
with the bolt, plain washer, spring washer and nut. (Refer
to "3-4. Installing the machine head".)
* Use a commercially-available foot switch and connecting rod.
* If changing the mounting position for the treadle unit, use the
accessory bolts, plain washers, spring washers and nuts.
<Foot switch operating method>
When the foot switch is depressed to the 1st step, the work
clamp is lowered, and when it is depressed to the 2nd step, the
sewing machine starts sewing.
1st
2nd step
4921Q
(1) Foot switch
Insert the connector for the foot switch (1) into P6 (FOOT) on
the main PCB. (Refer to "3-9. Connecting the cords".)
* Be sure to make the ground connection. (Refer to "3-10.
Connecting the ground wire".)
<Foot switch operating method>
When the work clamp switch (left) is depressed, both work
clamps are lowered, and when the start switch (right) is
depressed, the sewing machine starts sewing.
* The work clamp lowering method can be changed using
memory switch No. 002. (Refer to "6-3. List of memory
switch settings" in the instruction manual CD.)
Work clamp switch (2-step)
2972B
BAS-300G, BAS-311G, BAS-326G
step
Start switch
3. INSTALLATION
4441Q
4923Q
11