Adjusting The Rear Needle Guard - JUKI MF-7524 Instruction Manual

9. Adjusting the rear needle guard

WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
❸
❶
❷
❶
❶
0.1 - 0.2 mm
Adjust the lateral position of rear needle guard ❶ so that
it receives the needle within the range of B when the
❸
needle is in its lowest position.
1) When the blade point of looper comes to the right end
left needle, adjust the height with setscrew ❷ so that
the top end of left needle aligns 0±0.2 with the edge
B
❶
line A.
2) Make rear needle guard ❶ slightly come in contact
with the left needle so that the clearance between left
medium needle and top end ❸ of the looper keeps 0
to 0.05 mm when top end ❸ of the looper comes to
the center of left medium needle at the time of moving
A ( 0±0.2)
of top end ❸ of the looper to the left from the extreme
right position.
Perform the adjustment with setscrews ❷ and ❹.
❷
❹
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