Relationship Between The Lower Knives And The Needles; Relationship Between The Upper And Lower Knives; Overlap Of The Upper And Lower Knives - KANSAI SPECIAL DX Series Instruction Manual

4 4 4 4 - - - - 5 Relationship between the lower knives and the needles

5 Relationship between the lower knives and the needles 5 Relationship between the lower knives and the needles 5 Relationship between the lower knives and the needles
■ O n DX9902-3U/UTC
When lower knife E is at the extreme left end of its travel,
adjust distance (a) from needle thread cutting edge F to
the center of the left needle by referring to the table
below.
Adjust distance (a) by moving lower knife drive lever L to
the left or right and then fasten collar A.
■ O n DX9900-4U/UTC
Adjust distance (b) from the thread cutting edge to the
center of the needle by following the procedure stated
above.
Gauge
4.8-10-10-10
5.0-13-13-13
9.5-9.5-9.5
8.5-8.5-8.5
6.4-6.4-6.4

4 4 4 4 - - - - 6 Relationship between the upper and lower knives

6 Relationship between the upper and lower knives 6 Relationship between the upper and lower knives 6 Relationship between the upper and lower knives
Check to make sure positions G on lower knives E are
aligned with positions I on upper knife H.
Each distance between the points of the lower knives
should be 6.5mm.

4 4 4 4 - - - - 7 Overlap of the upper and lower knives

7 Overlap of the upper and lower knives 7 Overlap of the upper and lower knives 7 Overlap of the upper and lower knives
Loosen screws J. Then adjust each looper thread cutting
edge Y by referring to the cutting edge of upper knife H as
shown in the illustration below (see 4-6).
Distance
a b
4.0mm
3.8mm
6mm
6mm
6mm
3