Chain Looper - Baby Lock BL-5180 Service Manual

14. ADJUSTING GUIDE FOR JET- AIR THREADING
NOTE: In case that adjusting JET AIR THREADING, do not lay down
the machine body on the side.
) In case that the joint pipes do not move smoothly.
b
UPPER LOOPER or LOWER LOOPER
Loosen the screw "A" and "B" , and adjust the position of looper thread take-up guide 1 and
overlock looper threading pipe holder set 2 , so that joint pipes 3 may move smothly.

CHAIN LOOPER

Loosen the screw "C" and "D" , and adjust the position of threading pipe guide 4 and
chain looper threading pipe holder set 5 , so that joint pipe 6 may move smothly.
- In case that you cannot adjust it properly, replace the upper, lower or chain looper threading
pipes with new ones and re-adjust it so that joint pipes may move smoothly.
Screw
Screw A
B
3
1
Screw
6
C
5
14
(EXCEPT BLE1SX)
2
Screw
4
D