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NA-P3020
INSTRUCTION MANUAL

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Summary of Contents for JUKI NA-P3020

  • Page 1 NA-P3020 INSTRUCTION MANUAL...
  • Page 2: Table Of Contents

    1-8. Replenishing the designated places with grease ..............21 (1) Location where exclusive grease is provided ................22 (2) Points to be applied with JUKI Grease A ..................22 (3) Points to be applied with JUKI Grease B ..................24 (4) Points to be applied with the exclusive grease for the LM guide ..........
  • Page 3 2. OPTIONAL ........................30 2-1. Table of Needle hole guide ......................30 2-2. Silicon oil tank ..........................30...
  • Page 4: Mechanical Section (With Regard To The Sewing Machine)

    I. MECHANICAL SECTION (WITH REGARD TO THE SEWING MACHINE) 1. SPECIFICATIONS Sewing area X (lateral) direction Y (longitudinal) direction AMS-221EN-3020 300 mm × 200 mm Max. sewing speed 2,800 sti/min (When sewing pitch is 3 mm or less) Stitch length 0.1 to 12.7 mm (Min.
  • Page 5: Configuration

    2. CONFIGURATION ❷ ❶ ❻ ❸ ❹ ❼ ❺ ❽ ❾ Air regulator ❶ Machine head ❷ Wiper switch ❸ Temporary stop switch ❹ Feeding frame ❺ Intermediate presser ❻ Thread stand ❼ Operation panel ❽ Power switch (also used as the emergency stop switch) ❾...
  • Page 6: Installation

    3. INSTALLATION 3-1. Removing the bed fixing bolt Remove bed fixing bolt ❶. This bolt is necessary to transport the sewing machine. ❶ 3-2. Adjusting the safety switch In case error E003 occurs when the sewing ma- chine works after setup, loosen the safety switch fitting screw with a screwdriver, and lower the switch ❷...
  • Page 7: Installing The Throat Plate Auxiliary Cover

    3-3. Installing the throat plate auxiliary cover 1. The stay and the like are set to the throat plate auxiliary cover and the fitting screws and washers to the bed are packed together with the accessories at the time of delivery. 2.
  • Page 8: Installing The Panel

    1. Fix the throat plate auxiliary cover ❸ so that is higher than the throat plate ❷ (within 0.3 ❶ mm). When it is lower than ❸ the throat plate ❷, needle breakage or the like due to the defective feed will be caused. 2.
  • Page 9: Raising The Machine Head

    3-6. Raising the machine head WARNING : Tilt/raise the sewing machine head with both hands taking care not to allow your fingers to be caught in the head. Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the sewing machine.
  • Page 10 To carry out work with the sewing machine raised, follow the steps of procedure described below. 1. Move feeding fame ❸ to the rightmost position ❹ and fix it there. Then mount machine head grip ❶ supplied with the unit by fully screwing it into position.
  • Page 11: Installing The Air Hose

    To return the sewing machine to its initial position, follow the steps of procedure described below. 1. Return stopper release lever ❻ to its initial position. (Return the lever until it is fixed.) 2. Carefully return machine head grip ❶ to its ❻...
  • Page 12: Cautions For The Compressed Air Supply (Source Of Supply Air) Facility

    When the supply air contains a considerable amount of carbon and dust Mist separator (Most troubles in the air solenoid valves are caused by carbon.) Be sure to install a mist separator. Standard equipment supplied by JUKI Filter regulator Air solenoid valve Air cylinder Cautions for main piping •...
  • Page 13: Installing The Eye Protection Cover

    3-9. Installing the eye protection cover WARNING : Be sure to attach this cover to protect the eyes from the disperse of needle breakage. Use eye protection cover ❶ after securely attach- ing it on face plate cover ❸ with screw ❷. ❸...
  • Page 14: Attaching The Needle

    4-2. Attaching the needle WARNING : Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the sewing machine. Loosen setscrew ❶ and hold needle ❷ with the long groove facing toward you. Then fully insert it into the hole in the needle bar, and tighten setscrew ❶.
  • Page 15: Installing The Bobbin

    4-5. Installing the bobbin WARNING : Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the sewing machine. 1) Set the bobbin ❶ into bobbin case ❷ in the 2.5 cm direction shown in the figure.
  • Page 16: Intermediate Presser Height

    4-7. Intermediate presser height 1. When raising the intermediate presser height, turn the pulley by hand to lower the nee- dle bar, and confirm that the needle bar does not interfere with the intermediate presser. (When using DP X 5 needle, use the sewing machine with the height of 3.5 mm or less.) 2.
  • Page 17: Operation Of The Sewing Machine

    5. OPERATION OF THE SEWING MACHINE 5-1. Sewing This sewing machine is not provided with the air pressure detection function. If the air pressure is not properly set or the sewing machine is used under the environ- ment where the specified air pressure cannot be achieved, the sewing object will not be secured correctly, and it will not be sewn as preliminarily set.
  • Page 18: How To Use The Plastic Blank (Option) (For The Separately-Feeding Frame With A Double-Stepped Stroke Function)

    1) In case of with the needle thread clamp, the standard of the length of needle thread is 40 to 50 mm. • To prevent the thread from slipping off from the 40 to 50mm needle eyelet at the beginning of sewing or to prevent stitch skipping from the first stitch →...
  • Page 19: Maintenance Of Sawing Machine

    II. MAINTENANCE OF SAWING MACHINE 1. MAINTENANCE 1-1. Adjusting the height of the needle bar (Changing the length of the needle) WARNING : Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the sewing machine.
  • Page 20 2) Loosen setscrew ❶ in the driver. Drawing ❹ ❸ bobbin case opening lever hook ❷ toward you, open it to the right and left until bobbin case opening lever ❸ comes off. At this time, be careful not to let shut- tle ❹...
  • Page 21: Adjusting The Height Of The Feeding Frame

    1-3. Adjusting the height of the feeding frame WARNING : Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the sewing machine. 1) Loosen setscrews ❷ located on the right and left sides of feed bracket ❶.
  • Page 22: The Moving Knife And Counter Knife

    1-5. The moving knife and counter knife WARNING : Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the sewing machine. 1) Loosen adjusting screw ❶ so that a clearance of 18.5 mm is provided between the front end of ❷...
  • Page 23: Needle Thread Clamp Device

    1-6. Needle thread clamp device WARNING : Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the sewing machine. ❶ When thread is caught at top end ❶ of the thread ❷...
  • Page 24: Replenishing The Designated Places With Grease

    Do not use Grease A and Grease B with mixed. Be sure to use the specified grease without fail. The grease filling coupling and setscrew should be used when applying JUKI Grease B. Do not use them for the JUKI Grease A and the exclusive grease for the LM guide. JUKI Grease B ❷...
  • Page 25: Points To Be Applied With Juki Grease A

    ■Adding grease to the oscillating rock shaft gear section 1) Tilt the sewing machine and remove grease cover ❶. 2) Apply JUKI Grease A onto the gear section of oscillating rock shaft and the periphery of the hook driving shaft.
  • Page 26 1) Open the frame cover to remove intermediate presser auxiliary spring B ❶. 2) Apply JUKI Grease A onto periphery of nee- dle bar ❷. Turn the sewing machine by hand to apply grease onto the entire periphery of the needle bar.
  • Page 27: Points To Be Applied With Juki Grease B

    (3) Points to be applied with JUKI Grease B Use grease tube B (part number: 40013640) supplied with the unit for adding grease to any points other than the points specified below. If any grease other than the specified one is used, the related components can be damaged.
  • Page 28  ■ Grease supplement to the face plate section 1) Open the face plate cover. ❹ ❸ 2) Add the JUKI Grease B onto the felt sections (3 locations), peripheral shoulder screw, ful- ❶ crums ❶ to ❼ and guide groove section ❽.
  • Page 29: Points To Be Applied With The Exclusive Grease For The Lm Guide

    (4) Points to be applied with the exclusive grease for the LM guide To add grease to the points specified below, use the accessory grease (part number: 40097886) supplied with the unit. If any grease other than the specified one is used, the related components can be damaged.
  • Page 30: Draining Waste Oil

    1-9. Draining waste oil When polyethylene oiler ❶ becomes filled with oil, remove polyethylene oiler ❶ and drain the oil. ❶ 1-10. Amount of oil supplied to the hook Loosen setscrew ❶ and remove setscrew ❶ . When screwing in adjustment screw ❷ , the ❹...
  • Page 31: Troubles And Corrective Measures (Sewing Conditions)

    1-12. Troubles and corrective measures (Sewing conditions) Trouble Cause Corrective measures Page ① Stitches are slipped at the start. 1. The needle ○ Adjust the clearance between the needle thread slips off at and the shuttle to 0.05 to 0.1 mm. the start of bar- ○...
  • Page 32 Trouble Cause Corrective measures Page ① The motions of the needle 5. Stitch skipping ○ Correct the positions of the needle and and shuttle are not properly shuttle. often occurs. synchronized. ② The clearance between the ○ Correct the positions of the needle and needle and shuttle is too large.
  • Page 33 2. OPTIONAL 2-1. Table of Needle hole guide Needle used Needle hole guide Size Part No. Needle hole diameter Application #09 to #11 B242621000C ø 1.6 For knits (OP) For light-weight to medium-weight materials #11 to #14 * B242621000A ø 1.6 (S type) For medium-weight to heavy-weight materials #14 to #18 *...

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