1. Manuals
  2. Brands
  3. Clinton Manuals
  4. Controller
  5. 8890BH
  6. Service manual

Clinton 8890BH Service Manual

Drive system for durkopp 558 buttonhole machine
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
ML8890BH-7
CLINTON
MODEL 8890BH
PROGRAMMABLE CONTROLLER
DRIVE SYSTEM
FOR
DURKOPP 558
BUTTONHOLE MACHINE
SERVICE MANUAL
40-0240-01
Para Español vea el reverso del libro

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the 8890BH and is the answer not in the manual?

Questions and answers

Summary of Contents for Clinton 8890BH

  • Page 1 ML8890BH-7 CLINTON MODEL 8890BH PROGRAMMABLE CONTROLLER DRIVE SYSTEM DURKOPP 558 BUTTONHOLE MACHINE SERVICE MANUAL 40-0240-01 Para Español vea el reverso del libro...

  • Page 2: Table Of Contents

    ML8890BH-8 TABLE OF CONTENTS SECTION DESCRIPTION ........SECTION INSTALLATION .

  • Page 3: Section I

    ML8890BH-9B SECTION I DESCRIPTION The Clinton Model 8890BH is a Micro Computer Controlled Electro / Mechanized / Pneumatic system designed to enhance the performance and drastically reduce the maintenance required to operate a Durkopp Buttonhole machine. Two DC Servo Motors are used to replace the complete mechanized stop motion components including the clutch, brake, spur gears and shafts.
  • Page 4 ML8890BH-10 SECTION II INSTALLATION Insure that the machine is in working order. Mark the home position. A. To install the drive pulley assembly. Remove the manual crank mechanism by rotating the crank in the clockwise direction (See Fig. 2-1). Remove the pulley carrier assembly by loosening the hex nut which attaches it to the reversing lever (Fig.
  • Page 5 ML8890BH-11A B. To install the synchronizer and sensor assemblies. Remove cover assemblies (Fig. 2-3). Remove the hand wheel and sewing head pulley by removing the two locking nuts (Fig. 2-4, Item 1). Remove the stop motion eccentric (Fig. 2-4, Item 2) by removing the threaded stud (Fig.
  • Page 6 ML8890BH-12A C. To install the sewing head drive pulley assembly. Attach the magnet disk holder to the sewing head pulley (Fig. 2-8). Slide the pulley onto the arm shaft. Replace the hand wheel, washer and locking nuts (Fig. 2-4). FIG. 2-6 FIG.
  • Page 7 ML8890BH-13A D. To install the start switch assembly. Remove the hand lever and clamping angle (Fig. 2-9, Item 1 & 2) by removing the two pivot pins (Fig. 2-9, Item 3 & 4). Remove the manual start switch (Fig. 2-9, Item 5). Remove the stop stud and locking nut (Fig. 2-9, Item 6 & 7). Remove the clamping lever (Fig.
  • Page 8 ML8890BH-14 F. To install the Upper Motor. Remove the two cover retaining screws (Fig. 2-13, Item 1), and using the screws provided install the upper motor (See Fig. 2-14). FIG. 2-13 FIG. 2-14 G. To install the Emergency Stop Switch. Use the screws provided and install as shown (See Fig.

  • Page 9: Adjustments Instructions

    ML8890BH-15 SECTION III ADJUSTMENT INSTRUCTIONS Remove the needle. A. To set the Home Position. Return the machine to the home position by rotating the manual crank until the arrows on the home position labels are aligned. Making sure that the air supply is disconnected turn the power on. Loosening the home position block retaining screw (Fig.

  • Page 10: Tension Release

    ML8890BH-16 D. SENSOR and MOTOR FUNCTIONS. To test the sensor and motor functions, with the table motor and sewing motor drive belts removed test the sensor and motor functions as described on (page 6-1, B) of the programming manual. This will insure that the sensors and motors are operating as intended in order to prevent any damage to the sewing head.
  • Page 11 ML8890BH-17 1 mm FIG. 3-17 FIG. 3-18 G. To set the Thread Nipper. With the machine still in the punch position, insure that the thread nipper (Fig. 3-19, Item 1) is completely closed and that the thread can not pull through it. FIG.

  • Page 12: Modes Of Operation

    ML8890BH-18 SECTION IV PROGRAMMING INSTRUCTION MODES OF OPERATION The LCD display may be operated in any one of three different modes. They are: OPERATING MODE, PROGRAMMING MODE and TEST MODE. OPERATING MODE There are four different headings contained in this mode, they are: FULL CYCLE SINGLE STEP MOVE TABLE ONLY...

  • Page 13: B. Single Step

    ML8890BH-19 To overlap the last stitch with the first, an adjustable stitch counter is available (see page 5-3 (3e)). After finishing the sew mode the table motor starts again and moves the table back to the “home position“. On the way back to home position the hole will be punched. After punching the hole the clamp can be raised before the table is at home position to insure that the shear cutter dose not cut the material.

  • Page 14: How To Program

    ML8890BH-20 SECTION V PROGRAMMING MODE There are two ways to go from the operating to the programming mode. Press the button to go to the first group (SPEEDS). Continue pressing this key to step through the groups or press the button to go to the last changed parameter.

  • Page 15: Master Reset

    ML8890BH-21 C. MASTER RESET (Caution: Overrides the program memory with default settings). Step 1: Turn power off. Step 2: Press the buttons simultaneously. Step 3: Turn on power while all three buttons are pressed. The display alternates between “PUSH SET“ and “FOR RESET". Step 4: Push the button within 10 cycles.
  • Page 16 ML8890BH-22 3. COUNTERS a. SLOWSTRT (SOFT or SLOW START) Sets the number of beginning stitches sewn at “SLOW SPEED“. (See page 5-2 (D1c)). Range: 1 to 5 stitches Steps: 1 stitch Default: 2 stitches b. EYE STRT (EYE START) The “SLOW EYE“ sensor is stationary, this means that there are no mechanical adjustments.
  • Page 17 ML8890BH-23 e. TOGG. CMP (TOGGLE CLAMP) When this parameter is set to on it will cause the clamp remain in the down position even if the start switch is released, the clamp will remain down until the start switch is depressed a second time.
  • Page 18 ML8890BH-24 2. CLAMP DL This value sets the timing of the clamp release. This parameter is used to insure that the clamp is released before the shear cutter is actuated. This is done so that the shear cutter does not cut the material. Range: 1 to 50 Steps: 1 Default: 3...

  • Page 19: Timers

    ML8890BH-25 E. PARAMETER LIST PARAMETER RANGE SUGGESTED DEFAULT SPEEDS SLOW SPD 200-800 S.P.M. EYE SPD 200-800 S.P.M TIMERS START DEL 10-500 m.s. COUNTERS SLOW STRT EYE STRT 1-15 SLOW EYE 1-20 SLOW END ENDCOUNT 1-15 TOGGLE SWITCHES SLOW EYE ON / OFF SLOW STRT ON / OFF SLOW TBL...

  • Page 20: Test Mode

    ML8890BH-26 SECTION VI TEST MODE A. BUILT-IN TEST PROGRAM A test program is available to test the major input functions, synchronizer and encoder for proper operation. To access the program press the buttons simultaneously. The display will read “SYSTEM TEST“, after which the following may be tested: Needle position Start switch...

  • Page 21: Exiting The Test Mode

    ML8890BH-27 2. TESTING THE SEW MOTOR Press the button. The display should now read “TEST SEW MOTOR“. To test the sew motor follow the same procedure as testing the table motor. E. EXITING THE TEST MODE Press the button, you are now back in the normal test mode. To exit this mode press the button.

  • Page 22: Using The Emergency Stop Button

    ML8890BH-28 G. USING THE EMERGENCY STOP BUTTON After pressing the emergency stop button the display reads “EMERGENCY STOP“. To exit this mode press the button and hold it for at least one second. Note: This relatively long time is for safety reasons, so that the emergency stop mode can not be left accidentally.

Table of Contents