Timing Belt And Belt Support Upper/Lower Clearance - Baby Lock Mid-Line Machines Technical Training Manual

Adjustment
[Standard]
The clearance between the timing belt and the belt support upper adjust of belt support
upper should be 0.1 to 0.3 mm.
The clearance between the timing belt and the belt support lower adjust should be 0.1 to
0.3 mm.
[Adjustment]
1. Remove the front cover assy. (Refer to "2-7".)
2. Loosen the 2 screws A of the belt support upper adjust on the belt support upper.
3. Move the belt support upper adjust on the belt support upper back and forth to adjust the clearance between the
timing belt and the belt support upper adjust on the belt support upper.
*Key point
• The clearance between the timing belt and the belt support upper adjust of belt support upper should be 0.1
to 0.3 mm.
4. Tighten the 2 screws A of the belt support upper adjust on the belt support upper to secure the belt support upper
adjust on the belt support upper to the belt support upper.
Screws A
5. Loosen the 2 screws B of the belt support lower adjust.
6. Move the belt support lower adjust back and forth to adjust the clearance between the timing belt and the belt
support lower adjust.
*Key point
• The clearance between the timing belt and the belt support lower adjust should be 0.1 to 0.3 mm.
7. Tighten the 2 screws B of the belt support lower adjust to secure the belt support lower adjust to the SPM holder
assy.
SPM holder assy
Screws B

Timing belt and belt support upper/lower clearance

Belt support upper adjust
on the belt support upper
Belt support lower adjust
4 - 6
32
0.1 - 0.3 mm
Timing belt
Screw A
Screw, Pan (S/P washer) M3X6
Screw B
Screw, Pan (S/P washer) M3X6
Timing belt
0.1 - 0.3 mm