22
TO ADJUST THE UPPER & LOWER LOOPERS TIMING
Correct Setting:
When lower looper moves to the fight, the lower looper meets the upper looper within 1 mm from the left of
lower looper eye at a right angle as shown in Fig.1.
To adjust:
1. Before proceeding with this adjustment, check the lower looper timing and the position of upper looper.
2. Remove the base plate.
3. Loose the two setscrews, and adjust the timing by turning the upper looper drive cam in the direction of:
A: If the timing of upper looper is advanced as shown in Fig.3.
B: If the timing of upper looper is delayed as shown in Fig.4.
4. Tighten the two setscrews.
5. Check the clearance between the loopers.
6. Attach the base plate.
Lower looper
0.2 ~ 1.2 mm
Upper looper
Direction A
Direction B
Setscrews
Marking-off line
Upper looper drive cam
(Fig. 1)
(Fig. 2)
(Fig. 3)
(Fig. 4)
Summary of Contents for 1110DX PRO
Page 1: ...SERVICE MANUAL 1110DX PRO...
