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9-3) The intermediate presser comes
3-A) Inadequate adjustment of the
Adjust the height of the intermediate presser.
in contact with the throat plate.
height of the intermediate presser
9-4) The intermediate presser comes
Adjust the presser.
in contact with the cloth presser.
9-5) Intermediate presser variable
Intermediate presser variable adjustments.
is maladjusted.
9-6) Intermediate presser pulse
6-A) Intermediate presser pulse
Replace the intermediate presser pulse motor.
motor malfunction
motor is out of order.
6-B) Connection of intermediate
Check the connector connections.
presser pulse motor is improper.
9-7) Defective board
7-A) The board is out of order.
Replace the board.
7-B) Connector connections are
Check the connector connections.
improper.
10. Even when the sewing machine
10-1) The needle thread is not
Pass the needle thread.
is started, it goes to stop soon.
hooked.
10-2) Position of the thread breakage
Adjust the position of the thread breakage detecting
detecting plate is wrong.
plate.
11. Even though the needle thread is
11-1) Position of the thread
Adjust the position of the thread breakage detecting
broken, the sewing machine does
breakage detecting plate is
plate.
not stop.
wrong.
12. Wiper cannot spread a thread
12-1) Interference between wiper
1-A) Wiper mounting position is
Adjust the wiper position.
and needle
inadequate.
12-2) Interference between wiper
2-A) Inadequate adjustment of the
Adjust the height of the intermediate presser.
and intermediate presser
height of the intermediate
presser
2-B) Wiper mounting position is
Adjust the wiper position.
inadequate.
12-3) There is no clearance between
3-A) The cloth thickness permitting
Use the lower wipe-out sequence.
the needle and intermediate
the use of a wiper is exceeded.
presser to pass the wiper.
12-4) The wiper does not move
4-A) The wiper switch is turned
Turn the wiper switch ON.
after thread trimming.
OFF.
13. Severe vibration
13-1) Position of the crank balancer
Define the correct crank balancer position.
is wrong.
Trouble
Cause (1)
Cause (2)
Check and corrective measures
From the previous page
Содержание AMS-221EHL
Страница 185: ... 181 A JUKI Grease A B JUKI Grease B C Grease A A A A A A A B C C B B B B o MAIN SHAFT NEEDLE BAR COMPONENTS ...
Страница 190: ... 186 o X Y COMPONENTS 1 E C C C C C Grease E Three Bond 3060G Locktight 241 ...
Страница 191: ... 187 o X Y COMPONENTS 2 D D C C C D C C D C Grease D Grease D Locktight 241 ...
Страница 192: ... 188 C Grease D Grease D D C D C C D C D D C C D D D D D C D C o CLOTH FEED MECHANISM COMPONENTS D ...
Страница 231: ... 7 MAIN PANEL board circuit diagram 227 PANEL BOARD MAIN BOARD ...