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(1) Turn the power switch off. And remove 2 springs (NO.3).
(2) Loosen the 4 setscrews (NO.4).
(3) Put the clamps (right / left) (NO.5) down.
(4) Insert the spacer (1 or 2 mm thick) (NO.6) into the position between and pressure plate
(NO.1) and the roller (NO.2), and tighten the setscrews (NO.4) securely.
(5) Remove the spacer(NO.6), and set the springs (NO.3).
7-9. Adjustment of the trimmer cam follower
(1) Turn the power switch OFF and remove the top cover.
(2) Under the sewing machine regular stop condition (the needle stop position is upper and
the take up lever stop position is highest), loosen the setscrew (No.5) of the cam follower
lever (No.4) and adjust the cam follower (No.2) to be positioned to contact with the
shoulder portion (No.3) of the trimmer cam (No.1) with having about 1mm clearance
between the cam follower (No.2) and the trimmer cam (No.1). After this adjustment,
tighten the setscrew (No.5) of the cam follower lever (No.4).
(3) Push the cam follower lever (No.4) by hand to the
arrow direction and make sure that
the cam follower (No.2) is engaged into the cam groove (No.3) smoothly.
(4) If the cam follower (No.2) is not engaged smoothly, under confirming with the condition
which the cam follower (No.2) contacts with the shoulder portion (No.3) of the trimmer
cam (No.1), loosen the nut (No.7) and tighten the stopper screw (No.8) until it touches
with the stopper (NO.9) of the cam follower lever (No.4) then, loosen the stopper screw
(No.8) back about 1/3 turn and fix the nut (No.7) firmly.
When the clamp goes down, the clearance between the pressure plate (NO.1) and the
roller (NO.2) should be adjusted more than 1 mm.
Caution
5
4
2
3
1
6
1 2m m