Brother 433B Sewing Machine User Manual


 
5. ADJUSTMENT
-
. Adjusting the work clamp lift amount (KE-434B, 434C, 435B, 435C, 436B, 436C, 484C)
Work clamp lifter Solenoid type Pneumatic type Pneumatic type (inner clamping device)
Max. lift amount from the top of
the needle plate
17mm 25mm 17mm
The lift amount is adjusted as shown in the table at the time of shipment.
KE-434B, 434C, 435B, 435C, 436B, 436C KE-484C
Uses Medium materials Heavy materials -
Lift amount 10 mm 14 mm 17mm
+1
0
+1
0
[Solenoid type]
17mm max.
2617Q 0339Q
T
o adjust the work clamp lift amount, loosen the bolt (1) and move the presser arm lever plate (2) up or down.
* If movement is sluggish when the work clamp (3) is being raised and lowered, it may not be possible to
increase the work clamp (3) lift amount.
Apply grease to the bottom of the presser plate (4) to the top of the presser arm lever plate (2) and to the
sliding part of the work clamp (3) (grease is already applied at the time of shipment), and check that the
movement becomes easier.
* If the work clamp (3) cannot be raised or lowered, error code “E-61” or “E-63” will be displayed.
* Check that there is a gap between the presser arm lever plate (2) and the presser plate (4) when the work
clamp (3) is lowered.
[Pneumatic type]
3454Q
(17 mm max. for machines
with inner clamping device)
25mm max.
1.
Raise the work clamp (1) and loosen the screws (2).
2. Adjust the work clamp lift by moving the presser levers (3) and (4) up and down and then tighten the screws (2).
* If movement is sluggish when the work clamp (1) is being raised and lowered, it may not be possible to
increase the work clamp (1) lift amount.
Apply grease to the sliding part of the work clamp (1) (grease is already applied at the time of shipment), and
check that the movement becomes easier.
In addition, check that the air tubes are routed correctly.
KE-430B, 430C series
105