– 33 –
2.
Method without removing the gear box cover (fine adjustment)
*
This adjusting method is intended for fine adjustments based on the
above-mentioned standard adjustments.
Even though the gear box cover is left mounted, the Feed 0 position
can still be adjusted.
(1) Set the feed dial graduation at 0.
(2) Loosen the feed changing arm B setscrew
.
(3) Remove the feed changing shaft spring
.
(4) Make fine adjustments by hand for the feed changing shaft arm
.
(Cautions) The range of adjustment is very small. If the adjusting
motion is too big, the initial position may be lost.
(5) Pinch a piece of paper beneath the presser hardware and turn the
flywheel by hand in forward direction to see that the paper is not
fed.
o Adjustment of the Feed 0 position
results in slight displacement of
normal/reverse stitching.
Adjustment Procedure
Results of Improper Adjustment
Summary of Contents for DDL-9000A
Page 14: ... 10 4 Feed locus and phase 1 Timing standard 2 Timing fast 3 Timing slow Standard Adjustment ...
Page 32: ... 28 8 Adjustment of the amount of feeding 4 Optional switch Standard Adjustment ...
Page 60: ... 56 11 Thread trimming unit 7 Replacement of the moving knife Standard Adjustment ...
Page 66: ... 62 11 Thread trimming unit 10 Adjustment of the drive arm stopper Standard Adjustment ...
Page 70: ... 66 12 Adjustment of the wiper DDL 9000A WB OB 2mm 1mm Standard Adjustment ...
Page 72: ... 68 13 Adjustment of feed lever pressure B A Feed lever Standard Adjustment ...
Page 112: ...MEMO ...