– 37 –
8) Adjustment of the reverse feed solenoid
The amount of reverse feeding is limited to 4mm at the time of shipment.
If usage exceeds the limitation of 4mm, readjust the position of the
reverse feed solenoid
.
[Adjustment of reverse feed solenoid positioning]
1. Adjust the feed dial
to the amount of reverse feeding to be used.
2. Let the sewing machine fall down and loosen two upper and lower
setscrews
of the reverse feed solenoid
.
3. In the state that the feed lever
is pressed, adjust the position of
the reverse feed solenoid
until the plunger rubber
begins to
turn lightly.
(Cautions) If reverse stitching (touch back switch
and feed lever
) is used exceeding 4mm, the rpm level should be
lowered during operation.
9) Adjustment of feed changing shaft balancer arm (asm)
positioning
1. By making end plane joining for the feed changing shaft thrust collar
, tighten the feed changing shaft arm C asm
.
At that time, one setscrew of the feed changing shaft arm C asm
shall be adjusted to the plat position of the feed changing shaft
.
2. Join the feed changing shaft balancer arm (asm)
with the end
plane of the feed changing shaft arm C asm
so that the engraved
marker line of the feed changing shaft arm C asm
can coincide
with the engraved marker dot of the feed changing shaft balancer
arm asm
. After that, tighten the setscrew
of the feed changing
shaft balancer arm (asm).
(Cautions) After adjustments, operate the feed lever
and
confirm the conditions of touch and clearances.
o If the engraved marker dot is
shifted from the engraved marker
line, there may be interference
with the timing belt or the arm
frame.
Adjustment Procedure
Results of Improper Adjustment
Содержание DDL-9000A
Страница 14: ... 10 4 Feed locus and phase 1 Timing standard 2 Timing fast 3 Timing slow Standard Adjustment ...
Страница 24: ... 20 7 Lubrication 4 Cleaning of the oil filter DDL 9000A S and DDL 9000A M only Standard Adjustment ...
Страница 32: ... 28 8 Adjustment of the amount of feeding 4 Optional switch Standard Adjustment ...
Страница 56: ... 52 11 Thread trimming unit 5 Adjustment of rise of the second thread tension disc Standard Adjustment ...
Страница 60: ... 56 11 Thread trimming unit 7 Replacement of the moving knife Standard Adjustment ...
Страница 66: ... 62 11 Thread trimming unit 10 Adjustment of the drive arm stopper Standard Adjustment ...
Страница 70: ... 66 12 Adjustment of the wiper DDL 9000A WB OB 2mm 1mm Standard Adjustment ...
Страница 72: ... 68 13 Adjustment of feed lever pressure B A Feed lever Standard Adjustment ...
Страница 112: ...MEMO ...