Brother International BAS-342G Instruction Manual - English - Page 66

Adjusting the driver needle guard, 11-6. Adjusting the needle clearance - 01

Get Brother International BAS-342G PDF manuals and user guides View all Brother International BAS-342G manuals
Add to My Manuals
Save this manual to your list of manuals

Page 66 highlights

11. STANDARD ADJUSTMENTS 11-5. Adjusting the driver needle guard Needle center Rotary hook tip 0135Q 2555Q 4034M Turn the machine pulley to align the tip of the rotary hook with the center of the needle, and then loosen the set screw (2) and turn the adjusting stud (3) to adjust so that the driver needle guard (1) is touching the needle. NOTE: If it crosses the needle more than necessary, it will place a load on the needle, or it may cause poor thread tension. Furthermore, if it does not cross the needle at all, the tip of the rotary hook will interfere with the needle and skipped stitches may occur. 11-6. Adjusting the needle clearance 0.01 − 0.08mm 0138Q 4035M Turn the machine pulley to align the tip of the rotary hook with the center of the needle, and then loosen the set screw (1) and turn the adjusting stud (2) to adjust so that the clearance between the needle and the rotary hook is 0.01 − 0.08 mm. 11-7. Adjusting the shuttle race thread guide 3574Q Install the shuttle race thread guide (1) by pushing it in the direction of the arrow so that the needle groove is aligned with the center of the needle plate hole. NOTE: If the shuttle race thread guide (1) is in the wrong position, thread breakages, soiled thread or tangling of the thread may occur. The position of the shuttle race thread guide (1) is adjusted at the time of shipment from the factory. It should not be changed if possible. 57 BAS-342G

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
11. STANDARD ADJUSTMENTS
BAS-342G
57
11-5. Adjusting the driver needle guard
Turn the machine pulley to align the tip of the rotary hook with the center of the needle, and then loosen the set screw (2)
and turn the adjusting stud (3) to adjust so that the driver needle guard (1) is touching the needle.
NOTE:
If it crosses the needle more than necessary, it will place a load on the needle, or it may cause poor thread tension.
Furthermore, if it does not cross the needle at all, the tip of the rotary hook will interfere with the needle and skipped
stitches may occur.
11-6. Adjusting the needle clearance
Turn the machine pulley to align the tip of the rotary hook with the center of the needle, and then loosen the set screw (1)
and turn the adjusting stud (2) to adjust so that the clearance between the needle and the rotary hook is 0.01
−
0.08 mm.
11-7. Adjusting the shuttle race thread guide
Install the shuttle race thread guide (1) by pushing it in the direction of the arrow so that the needle groove is aligned with
the center of the needle plate hole.
NOTE:
If the shuttle race thread guide (1) is in the wrong position, thread breakages, soiled thread or tangling of the thread may
occur.
The position of the shuttle race thread guide (1) is adjusted at the time of shipment from the factory. It should not be
changed if possible.
2555Q
0.01
−
0.08mm
3574Q
0138Q
Needle center
Rotary hook tip
0135Q
4034M
4035M