Mitsubishi Electric PLK-J2516R-YU, Technical Manual

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7-4. Adjustment of the presser foot holder position
(1) Turn off the machine power and down the presser foot (No.7) by hand to the top of the sliding plate.
(2) Loosen the each of set screws (No.5) which has presser foot holder (upper) (No.3) and presser foot
holder (lower) (No.4).
(3) Adjust the clearance between the rack gear (No.1) to stopper (No.2) becomes 5 mm by moving the
presser foot holder (upper) (No.3) and presser foot holder (lower) (No.4) position.
(4) After adjustment make sure if the presser foot (No.7) is remaining on the sliding plate. On the other
hand, adjust the presser foot hole position to the needle (No.8) with turning the presser bar.
(5) Then tighten the each of set screws (No.5) securely while holding the block (No.9) by both presser
foot holders (No.3), (No.4) and make sure if there are no gap between both presser foot holders (No.3),
(No.4) and block (No.9).
<1>: Rack gear
<2>: Stopper
<3>: Presser foot holder (upper)
<4>: Presser foot holder (lower)
<5>: Set screw
<6>: Presser bar
<7>: Presser foot
<8>: Needle
<9>: Block
5
mm
<2>
<1>
<3>
<5>
<6>
<7>
<8>
<4>
<9>