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SEWING MACHINE DIV. 2 0
MODEL 385. " 19001890
MECHANICAL ADJUSTMENT
SOLENOID
PREPARATION:
1.
LOWER THE PRESSER BAR LIFTER.
ADJUSTMENT PROCEDURE:
I. REMOVE
THE TOP COVER
(SEEP.19).
2. LOOSEN
THE 2 SCREWS (A).
3. INSERTTHE GAUGE
#U1790 AS SHOWN,
AND TIGHTEN THE SCREWS
(A).
4. TO DO THE "SOLENOID TEST".
*WHILE PRESSING THE AUTO-LOCK
BUTTON, TURN THE POWER
SWITCH ON. "SOLENOrD
TEST MODE
START"WILL APPEAR
ON THE LCD. CHECK
THAT THE DISC HOLDER
(B).IT
AUTOMATICALLY
MOVES
LEFTAND
RIGHT CONTINUOUSLY.
PASS THE THREAD BETWEEN THE TENSION DISC (C) AND
DISC HOLDER
(B),WHEN
THE
SOLENOID
(D) MOVES
TO THE RIGHT (OPEN), MAKE SURE THE THREAD
HAS NO TEN-
SION.
5. AITACH THE TOP COVER.
SCREWS
(A)
LCD SCREEN
SOLENOID TESTMODE START
GAUGE #U 1790
THREAD RELEASING
ROD
_-
SCREWS
",,,,,,TENSION DISC _
HOLDER(_
SOLENOID (D)
THREAD TENSION DISC (C)
INSERTTHE GAUGE #U1790 (1.6 MM)
35
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J
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