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Table of Contents
Related Manuals for JUKI AK-157
Summary of Contents for JUKI AK-157
- Page 1 AK-157 INSTRUCTION MANUAL...
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Page 2: Table Of Contents
CONTENTS 1. FEATURES ....................1 2. INSTALLATION ..................2 (1) Replacing the AK lever (asm.) ................2 (2) Installing the presser sensor detection plate .............3 (3) Subassembling the AK motor ................3 (4) Installing the AK motor ..................5 (5) Checking the assembly ..................6 (6) Connection ......................7 (7) Selecting with / without the AK device ..............7 (8) Adjusting the sensor .....................8... -
Page 3: Features
1. FEATURES This is the auto-lifter incorporating the cam which is driven by the stepping motor. ① After the presser foot is lifted by the auto-lifter, it is retained at its upper position by the cam. As a result, the power consumption is reduced. ②... -
Page 4: Installation
2. INSTALLATION For the AK device which is purchased in the shipped state, it has already been factory-adjusted. WARNING : Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the sewing machine. (1) Replacing the AK lever (asm.) AK lever (asm.) ❷... -
Page 5: Installing The Presser Sensor Detection Plate
(2) Installing the presser sensor detection plate Attach presser detector plate ❶ to knee lifter link plate ❸ with screw ❷ . At this time, the orientation of presser detec- tor plate ❶ should be as shown in Fig. B ❶... - Page 6 Attach sensor ❻ to sensor mounting plate ❼ Position of ❼ ❼ screw ❾ with screw with washer ❽ . ❻ Attach sensor mounting plate ❼ to motor ❽ mounting plate ❷ with screw ❾ . At this time, attach the sensor mounting plate ❾...
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Page 7: Installing The Ak Motor
(4) Installing the AK motor There is a marker line on the surface of cam . Adjust so that marker line A on the cam and end face B of motor fixing plate ❾ are collinear to each other. Temporarily fix presser motor asm. -
Page 8: Checking The Assembly
(5) Checking the assembly Operate presser foot lifting lever ❸ to check to make sure that detector plate ❶ does not interfere with sensor ❷ . ❸ ❶ ❷ – 6 –... -
Page 9: Connection
(6) Connection Connect the junction cable connector to ❷ presser foot lifting motor ❶ and electrical box ❷ . Bind the extra length of cable with cable clip band ❸ . ❸ ❶ (7) Selecting with / without the AK device Turn power ❺... -
Page 10: Adjusting The Sensor
Turn power ❺ ON while keeping (8) Adjusting the sensor ❶ held pressed. The func- tion setting screen is displayed. ❶ . Press The screen is changed over to ❺ the sewing mode screen. Depress the back part of pedal. The origin is retrieved and the presser foot is held at its upper position.