Adjustment
13
Adjusting the basic machine
.04
13
Pre-adjusting the needle height
.04.01
13 - 2
Requirement
With the needle bar at b.d.c., the top marking on needle bar 1 should be level with the
bottom edge of bushing 3.
Fig. 13 - 01
By turning the balance wheel, bring the needle bar to its b.d.c.
Without twisting it, adjust needle bar 1 (screw 2) in accordance with the requirement.
2
3
1