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Service Manual
5. Needle threader height -- continued --
9. If twin thread guide (H) is located much higher or lower than hook portion, needle
is not threaded.
After checking hook position, adjust position of outer pipe (J) so that there may be
a clearance 0.4 to 0.6 mm between screw (K) and bottom of long hole.
J
Position of twin thread guide and hook is shown below with threading lever lowered.
Guide (H)
Hook
K
0.4 to 0.6mm
Outer pipe (J)
thread guide is locates too low.
It is located correctly.
It is located too high.
Original issue
Oct.2012
Page 17/41
Model
One Plus
0.4 to 0.6 mm
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