Baby Lock BLE1 Service Manual page 18

16. REPLACEMENT OF ROLLERS OF A.T.D.
1) Loosen the screw (1) and remove Frontdisk moving arm set.
2) Remove Rear disk moving arm set.
3) Loosen the screw (2) and replace Cam.The screw should be placed at the flat of shaft.
4) Replace Rear disk moving arm set.
5)Turn handwheel and bring the roller of Rear disk moving arm set at the bottom position of Cam.
Insert 0.4mm thickness gauge between disk pushing shaft and Rear pushing arm section.
Push and keep Rear disk pushing arm section at bottom of pre-tenstion position,adjust Cam to
the roller has just touched on the bottom of Cam. Tighten the Screw (2).
Remove thickness gauge, make sure the distance of disks is 0.9mm when opened.
6) Replace Front disk moving arm set.
7) Turn handwheel and bring the roller of Front disk moving arm set at the bottom position of Cam.
Insert 0.4mm thickness gauge between disk pushing shaft and front pushing arm set.
Push and keep Front disk pushing arm set at bottom of pre-tenstion position,and adjust Cam to
the roller has just touched on the bottom of Cam.
Hold Front disk pushing arm set to leftward and Front disk moving arm set to rightward,
and tighten the Screw (1).
Remove thickness gauge, make sure the distance of disks is 0.9mm when opened.
Make sure Front disk pushing arm set does not have a play.
Screw(2)
Screw(2)
Cam
Adjustment of Rear disks
Cam
Front disk moving
arm set
Rear disk moving
arm set
Rear disk moving
arm set
Screw(1)
Distance of disks
when opend
Cam
Front disk moving
arm set
Adjustment of Front disks
17
0.9mm
Distance of
pre-tension
0.4mm
Front disk
pushing arm set
Screw(1)
.