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(31) Adjusting the stitch length dial (Excluding A-SR)
Standard Adjustment
(a) Assembling the stitch length dial
(b) Assembling the condensation dial
* The name of part or the like in the parentheses ( ) in the description is the explanation in
case of (b) Assembling the condensation dial.
1) Apply the exclusive grease to feed adjusting screw 1 and feed adjusting shaft 2 (condensation
adjusting shaft !4).
2) Screw feed adjusting screw 1 in feed adjusting shaft 2 (condensation adjusting shaft !4) and
temporarily connect them.
3) Insert feed adjusting screw 1 which has been temporarily connected in step 2) into the stitch
length dial section (condensation dial section) until it will go no further.
4) Attach feed adjusting base 3 onto the machine srm with two setscrews 4.
5) Turn clockwise feed adjusting screw 1 until it will move no further using a slit screwdriver.
6) Tighten setscrew 5 in the feed controller.
(Caution) Note that the end face of feed adjusting shaft 2 should be flush with that of feed
controller !3.
™ At this time, feed controller !3 and the components of the stitch length dial are in the alignment and
the components are in the state of being fixed.
(Caution) If the components should move, perform the work again from step 5).
7) Place stitch length dial spring 6 and then flat washer 7 (2 pcs. at the stitch length dial section).
Adjust the scale "0" on stitch length dial 8 (scale "1" on condensation dial 9) to the marker dot
engraved on the machine arm, insert the dial into the machine arm, and fix stitch length dial 8
(condensation dial 9) with setscrew !0.
8) (Turn condensation dial 9 and adjust the scale “0” to the marker dot engraved on the machine
arm.)
9) (Press condensation stopper (asm.) !1 to condensation adjusting shaft !4 from the back of the
machine arm and tighten setscrew !2 to fix the stopper. Fix it without any play in the thrust direction.)
(b) Assembling
the condensation dial
(a) Assembling
the stitch length dial
Apply grease.
(Exclusive grease)
1
2
3
4
5
6
7
8
9
!0
!1
!2
1
!4
3
4
6
7
!0
7
!3
Apply grease.
(Exclusive grease)
Use grease tube (40006323)
supplied as accessories for
the exclusive grease.
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