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SEWINGMACHINEDIV.20 MODEL385."19001890
MECHANICAL ADJUSTMENT
SOLENOID
PREPARATION:
1. LOWER THE PRESSERBAR LIFTER.
ADJUSTMENTPROCEDURE:
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
TESTMODE 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
",,,,,,TENSIONDISC _
HOLDER(_ SOLENOID (D)
THREAD TENSION DISC (C)
INSERTTHE GAUGE #U1790 (1.6 MM)
35
• J
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