Adjusting The Position Of The Needle Thread Catching Plate; Adjust The Position Of The Inner Hook And The Thread Retaining Plate - ELNA E9020 Service Manual

(25) - 3 Adjusting the position of the needle thread catching plate

Loosen the needle thread catching plate setscrew and slide the needle thread catching
plate to and fro to adjust so that the clearance is 0.3 to 1 mm at the position where the
clearance provided between thread retaining plate A and the convex section of the needle
thread catching plate is minimized when making thread retaining plate A work by hand
(rotate Q in the figure).
(25) - 4 Adjusting the position of the inner hook and the thread retaining plate
• Make thread retaining plate A travel to the forward end position by
hand.
• In this state, turn the inner hook in the normal direction of rotation,
make it come in contact with the inner hook detent plate, loosen the
inner hook detenet plate setscrew and move the inner hook detent
plate to the right or left to adjust so that the clearance provided
between the inner hook and thread retaining plate A is 0 to 0.5 mm.
* At this time, the adjustment of (5) Inner hook detent (longitudinal
direction) should be satisfied.
How to adjust
How to adjust
Needle thread catching plate
Position where clearance
is minimized
Inner hook detent
plate setscrew
35
Adjustment drawing
Thread retaining plate A
Q
Needle thread
Needle thread
catching plate
catching plate
setscrew
Adjustment drawing
Inner hook
Inner hook detent
detent plate plate setscrew