JUKI AMS-221F-2516 Instruction Manual page 8

[When using area 3020 (AMS-221F △△ 3020)]
❼
❹
❾
Within 0.3 mm
❷
❷
❸
❺
❼
❶
❸
1) Move the cloth feed base to the rear,
and place throat plate auxiliary cover
(asm.) ❸ from between lower plate
❶ and throat plate ❷ . At this time,
be careful not to bend or damage
❶
lower plate ❶ .
2) Temporarily fix throat plate auxiliary
cover (asm.) ❸ with throat plate auxil-
iary cover setscrew ❺ and washer ❹ .
3) Temporarily fix throat plate auxiliary
cover (asm.) ❸ to the machine bed
with throat plate auxiliary cover sup-
port setscrews ❻ (10 pcs.).
4) Fix throat plate auxiliary cover (asm.)
❸ to the machine bed with two
counter-sunk screws ❼ .
5) Referring to the precautions, adjust
the position of the throat plate aux-
❻
iliary cover and tighten setscrews
❺ and ❻ . If it is difficult to properly
position the throat plate auxiliary cov-
er, loosen throat plate auxiliary cover
setscrew ❺ and throat plate auxiliary
cover base setscrews ❾ once, and
correctly adjust the position of the
throat plate auxiliary cover.
1. Fix the throat plate auxiliary
cover ❸ so that is higher than
the throat plate ❷ (within 0.3
mm). When it is lower than
❸
the throat plate ❷ , needle
breakage or the like due to the
defective feed will be caused.
2. Confirm by putting a ruler or
the like that the throat plate
auxiliary cover ❸ is horizon-
❸
tally installed. If not, throat
plate auxiliary cover ❸ and
lower plate ❶ come in contact
partially with each other, and
abnormal worn-out will be
caused.
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