Jack T1310 - Page 39

7. STANDARD ADJUSTMENTS
<Stepping clamp conn
ec ting rod position adjustme nt >
: ~:::~, - :::: .
...- -~--> } :: ·
• •• •· · ·· ·· - • •• ,...P
(4)
(1)
b
( DP X5)
1. Loosen the screw (1 ), and then open the cover (2).
2. Loosen the
nut (3), and the n adj ust the position of t he steppi ng clamp co nnecting rod (4).
•
When the steppi ng clamp co nnecting rod (4) is raised, the intermittent s tr oke will increase.
•
When the steppi ng clamp co nnecting rod (4) is lowe r ed , the i nterm ittent stroke will decrease.
Next, adjust
the needle bar and presser foot timing.
3. Turn the
mach i ne pulley to raise the needle bar from the l owest positi on until the lowes t reference line on the needle bar
(reference li ne B) is aligned with the lower edge of the needle bar bush (5).
(If using a DP x 5 needle, align with the second reference line from
the t op (reference line b) .)
4. Open t
he top cover and loosen the two set sc r ews (6).
5. Align
the index marks on the stepping cl amp cam (7) and the st ep ping clamp connecting rod (4), and then tighten the set
screws (6).
Ch
eck the following after changing the int ermi tt ent stroke.
~(2)
~
0 ~
J\=(3)
(1)
JI'
// ///// / 77
Needle plate
(7)
1. With the intermittent presser foot (1) l owe r ed , turn the pu ll ey to move the intermittent presser foot (1) to its l owest
pos it io n.
2.
Check that the presser foo t (1) does no t touch the needle plate and tha t the presser bar clamp (2) does not touch
t
he presser bar bush (3).
<If t hey are touching>
Rem
ove t he mo t or cover (4 ).
Loosen
the nut (5), and turn the bo lt (6) un til it is press in g against the intermittent dr ive lever (7), and then ad j ust unt il
the two points mentioned
above are no t t ouc hing.
34
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