Adjustment
13.04.08 Needle rise, hook-to-needle clearance, needle height and needle guard
( 1474E1 )
Requirement
With the needle bar positioned at 1.8 mm after the BDC, the following must apply:
1. Both hooks must be pointing to the middle of the needle and be spaced at a distance
of 0.05 - 0.1 mm from needles.
2. The top edges of the eyes of the needles must be 0.8 - 1 mm below the hook points.
3. The needle guards 10 must lightly touch the needles on the left and right hand side.
● Loosen screws 1, 2, 3, 4, 5, 6 and 7.
● Slightly loosen screws 8.
● Position the needle bar 1.8 after its BDC.
● Insert the adjustment pin in hole 9 and apply pressure.
● Position the hook points at the middle of the needles, taking care to ensure that the
needles do not shear off because of the needle guards 10.
Fig. 13 - 07
7
7
8
8
9
10
6
5
4
3
2
2
1
12
11
13
14
4
3
0.8 - 1 mm
13 - 11