JUKI MF-7900 Instruction Manual
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Also See for MF-7900:
- Engineer's manual (216 pages) ,
- Instruction manual (30 pages) ,
- Specification (8 pages)
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Table of Contents
Related Manuals for JUKI MF-7900
Summary of Contents for JUKI MF-7900
- Page 1 /UT59 INSTRUCTION MANUAL...
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Page 2: Table Of Contents
CONTENTS I. SPECIFICATIONS ......................1 II. AT THE BEGINNING ......................1 III. INSTALLING THE ACCESSORIES ................2 1. Installing the air regulator ........................2 2. Installing the manifold ......................... 2 3. Connecting the cords .......................... 3 4. Setting procedure of the machine head ..................... 4 IV. -
Page 3: Specifications
Looper mechanism Spherical rod drive method Lubricating system Forced lubrication method by gear pump Lubricating oil JUKI GENUINE OIL 18 Oil reservoir capacity Oil gauge lower line : 600 cc to upper line : 900 cc Installation Table-mount type, Semi-submerged type... -
Page 4: Installing The Accessories
III. INSTALLING THE ACCESSORIES WARNING : To protect against possible personal injury due to abrupt start of the machine, be sure to start the following work after turning the power off and ascertaining that the motor is at rest. 1. Installing the air regulator Install air regulator asm. -
Page 5: Connecting The Cords
3. Connecting the cords ❷ Loosen screw B in cover ❷ with a screwdriver to ❶ open the cover. Pass cords ❶ and of the thread-trimming sole- noid, reverse feed stitching, motor signal etc. and the motor cord through the hole A in the table to route them to the underside of the table. -
Page 6: Setting Procedure Of The Machine Head
Model name ❶ ❷ ❸ ❹ F799 MF-7900/UT59 3) After selecting the type of machine switch ❶ ( head, by pressing switch ❷ ), the step proceeds to 96 or 94, and the display automatically changes to the contents of the setting corresponding with the type of ma- chine head. -
Page 7: Air Piping Drawing
IV. AIR PIPING DRAWING WARNING : To protect against possible personal injury due to abrupt start of the machine, be sure to start the following work after turning the power off and ascertaining that the motor is at rest. In addition, cut the air supply from air compressor. -
Page 8: Threading The Machine Head
❷ ❶ * For the adjustment procedure other than the above, refer to the Instruction Manual for MF-7900. When the small thread tension in the face plate is used for the machine with the thread trimmer device, the length of remaining needle thread after thread trimming becomes short and slip-off of thread at the start of sewing may occur. -
Page 9: Adjusting The Looper Thread Trimmer Mechanism
VI. ADJUSTING THE LOOPER THREAD TRIMMER MECHANISM WARNING : To protect against possible personal injury due to abrupt start of the machine, be sure to start the following work after turning the power off and ascertaining that the motor is at rest. In addition, cut the air supply from air compressor. -
Page 10: Installing The Ss Lever Unit
VII. INSTALLING THE SS LEVER UNIT WARNING : To protect against possible personal injury due to abrupt start of the machine, be sure to start the following work after turning the power off and ascertaining that the motor is at rest. 1. -
Page 11: Drawing Of The Table
VIII. DRAWING OF THE TABLE DRAWING OF TABLE (SEMI-SUBMERGED TYPE) H22/23-UT59 DIRECT-DRIVE TYPE – 9 –... -
Page 12: Setting The Upper Stop Position Of The Needle Bar
IX. SETTING THE UPPER STOP POSITION OF THE NEEDLE BAR Ⓐ Simultaneously pressing switch ❹ ❺ switch , turn ON the power switch. Ⓐ is displayed ( ) in the indica- tor and the mode is changed over to the adjustment mode. ❸... - Page 13 Remaining in the needle-bar upper stop position setting mode, turn the hand pulley of the machine head by hand to lower the needle until the position where its tip is aligned with the center of the looper When the needle is reached.
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Page 14: Setting The Raveling Prevention Parameter
X. SETTING THE RAVELING PREVENTION PARAMETER Turn ON the power with switch Ⓐ Ⓑ ❶ ❼ held pressed. Ⓒ (The item which has been changed during the previous work is displayed.) Ⓓ If the screen display does not change, re-carry out operation described in step 1).