JUKI MO-6000G Series Engineer's Manual page 65

Adjustment Procedures
1) Remove cloth base side cover f) and top feed cover
8.
2) Bring the needle bar to the lowest point of its stroke and keep
top feed dog
8
at the height of 9
±
0.5 mm (M0-6900J : 10.5
±
0.5 mm) from the top surface of the throat plate.
(Insert the s~cer between the throat plate and top feed dog 0.)
3) Loosen clamping screw
8
of lifter A
8.
4) Press presser lifting lever
O
until it will go no further and tum
it.
In this state, turn lifter A
O
and strike the pin section to the
eaves section of top feed square block
C,.
Then tighten
clamping screw
8
of lifter A
0.
(Caution) In the state that presser lifting lever
f)
is returned,
check that ther_e is a clearance between the pin of lifter A
8
and the eaves section of top feed square block
0.
5) Return top feed cover
G
and cloth base side cover
8
to their
home positions.
- 61 -
Results of Improper Adjustment
o When the lifting amount of top
feed dog
O
is excessively high,
contact of top feed square block
8
with the pin section of liter A
0
occurs at the time of
operation and something is
wrong with the machine.
o When the lifting amount of top
feed dog
8
is excessively low,
cloth or the presser becomes
hard to be removed at the thick
section such as overlapped
section or the like.
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