Presser Bar Attachment - Baby Lock BLMY Service Manual

Modules
3

Presser bar attachment

1. Insert the presser bar bushing 1 into the shaft hole on the bottom of the
unit holder.
2. Attach the plate spring 2 to the unit holder with the screw 1.
*Key point
• Press the presser bar bushing with the plate spring.
3. Dip the tip of the presser bar 3 (opposite end from the retaining ring) in
FBK OIL RO 100.
4. Insert the presser bar 3 into the presser foot rack 4.
5. Temporarily attach the screw 2 to the presser bar clamp 5.
6. Adjust the presser bar height and parallel alignment, and then fully tighten
the screw 2.
*Key point
• Refer to "Presser bar height and parallel adjustment" on page
4 - 13 for the adjustment procedure.
7. Apply a bead of MOLYKOTE EM30L to the groove on the stopper pin of
the unit holder.
8. Insert spring and the presser bar clamp 5 into the presser bar 3.
S07
*Key point
• Engage the stopper pin 6 of the presser bar clamp 5 with the
groove on the stopper pin of the unit holder.
9. Pass the presser bar 3 through to the presser bar bushing 1.
Dip the tip of the presser bar (opposite end from the
retaining ring) in FBK OIL RO 100.
Apply MOLYKOTE EM30L to the groove on the
stopper pin of the unit holder.
1
2
S07
6.5
4
T cam attachment
1. Apply a small amount of MOLYKOTE EM30L to the cam groove 1 and
shaft hole 2 of the T cam.
2. Attach the T cam 3 to the upper unit holder.
3. Apply a small amount of MOLYKOTE EM30L to the gear for the T cam
3.
Apply MOLYKOTE EM30L to the entire cam
groove in the T cam
Apply MOLYKOTE EM30L to the shaft hole in
the T cam
Apply MOLYKOTE EM30L to the entire surface
of the gear for the T cam
Needle-presser module
Taptite, Bind B
M3X8
0.78 – 1.18 N·m
Set Screw, Socket (CP)
M5X10
Hand tighten
55.7
Small amount
Small amount
Small amount
Dipping
XC8388***
Bead
XC8385***
Torque
Torque
SPRING
XC4457***
5
XC8385***
XC8385***
XC8385***
2
1 1
4
S07
3
2
6
3
1 2
3 - 43