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Clinton AS-892E Service Manual

Variable speed dc servo motor for union special feed-off-the-arm machines pedestal mount
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ML892E-4
CLINTON
MODEL AS-892E
VARIABLE SPEED DC SERVO MOTOR
For
UNION SPECIAL
FEED-OFF-THE-ARM MACHINES
PEDESTAL MOUNT
SERVICE MANUAL
40-0256-01

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Summary of Contents for Clinton AS-892E

  • Page 1 ML892E-4 CLINTON MODEL AS-892E VARIABLE SPEED DC SERVO MOTOR UNION SPECIAL FEED-OFF-THE-ARM MACHINES PEDESTAL MOUNT SERVICE MANUAL 40-0256-01...

  • Page 2: Table Of Contents

    ® ML892E-5 TABLE OF CONTENTS SECTION INTRODUCTION ........SECTION INSTALLATION .

  • Page 3: Section I

    The model 892E has outputs for air thread saver, foot lift, needle cooler and stacker. It can be used to operate all Clinton chain cutters, as well as various make and model chain cutters. The programmable LCD display is used to select the desired mode. In addition, the display box is...

  • Page 4: Installation

    ® ML892E-7 SECTION II INSTALLATION A. MOTOR Mount the motor to the pedestal base using the plate, the motor support arms, the spacers, the bolts, and washers supplied (See Figure 2-1). Install pulley and belt then check the following: a. The motor is mounted so that the motor drive pulley and sewing machine drive pulley are properly aligned.

  • Page 5: Belt Guard

    ® ML892E-8 C. BELT GUARD After aligning belt and pulleys, install the belt guard (see figure 2-3) starting with the standoff A and bracket B then add bracket C and belt guard D . Centralize and adjust height and test for proper clearance. FIG.

  • Page 6: Speed Control

    ® ML892E-9 F. SPEED CONTROL The Clinton model 892E is equipped with a remote speed control. Connect treadle rod to ball joint assembly with rod and drill/tap 2 1/4-20 holes as shown. Assemble with 1/4 screws, flat washer and split washer.

  • Page 7: Synchronizer Timing

    ® ML892E-10 SECTION III SYNCHRONIZER TIMING Turn the power off before making synchronizer adjustments. Refer to figure below for all adjustments and perform the steps below to time the synchronizer. 1. Remove cover from synchronizer, then loosen the disc locking screw. 2.

  • Page 8: Programmable Lcd Display

    ® SECTION IV ML892E-11 PROGRAMMABLE LCD DISPLAY A. MAXIMUM SEWING SPEED Maximum sewing speed can be adjusted by changing the "MAXIMUM SPEED" parameter in the "LCD" display. The LCD display, shown below is used to program and set the various parameters of the 892 series, such as;...
  • Page 9 ® ML892E-12 TABLE 4-1 PARAMETER DESCRIPTION DEFAULT RANGE SPEED GROUP MINIMUM First speed when pedal is moved forward. 80-250 SLOW STRT Initial speed at start of cycle (after trim). This speed is maintained for No. of stitches set by soft 150-1000 start count parameter.

  • Page 10: Direct Access Parameters

    ® ML892E-13 C. HIDDEN PARAMETERS The parameters in this section are separated from the Direct Access parameters because they are infrequently changed and should not be changed by the operator. The parameters are listed in: TABLE 4-2 PARAMETER DESCRIPTION DEFAULT RANGE ****SPEEDS TRIM/POS...

  • Page 11: Master Reset

    ® ML892E-14 D. MASTER RESET In some cases it may be necessary to reset all parameters to their default values. This is done as follows: 1. Turn power off, if it is on, then wait until the display goes blank. 2.

  • Page 12: Synchronizer Test

    ® ML892E-15 TEST PROGRAM (Continues..) b. Move the pedal forward slowly. As the pedal is moved, a number (0 to 255, see NOTE#4) will be displayed. This number is proportional to how far the pedal is moved. The lowest number should be no more than "8"...

  • Page 13: Connector Diagrams

    ® SECTION V ML892E-16 CONNECTOR DIAGRAMS Listed below are the pinouts for the Model 892E control box connectors. TOTAL PINS CONNECTOR PIN NO. FUNCTION SYNCHRONIZER DOWN SENSOR UP SENSOR TRIM SENSOR AUX INPUTS CHASSIS GND I 1 SAFETY SWITCH I 2 INCHING/CHANGE POSITION AUX OUTPUTS +48 V +48 V...
  • Page 14 ® ML892E-17 TOTAL PINS CONNECTOR PIN NO. FUNCTION COMMUTATOR ENCODER (S1) ENCODER (S2) SIG. GND PHASE C PHASE B PHASE A LCD DISPLAY EXT1 CHASSIS GND AC POWER 220V 3 PHASE A PHASE B PHASE C CHASSIS GND MOTOR VOLTAGE PHASE A PHASE B PHASE C...

  • Page 15: Drawings And Parts List

    ® ML892E-18 SECTION VI DRAWINGS AND PARTS LIST MODEL 892E 81-0790-02 A. MAJOR ASSEMBLIES LCD DISPLAY MOTOR 30-4321-01 81-0731-01 SYNCHRONIZER 81-0733-01 BELT GUARD* 10-1508-01 SWITCH BOX 30-4400-01 LEXAN GUARD 10-1285-01 FOOTLIFTER** CONTROL BOX 80-0180-115 81-0737-02 SPEED CONTROL 81-0568-04 WASTE CONTAINER 80-0476-01 USE 10-1508-02 FOR U.S.
  • Page 17 ® ML892E-19-2 MOTOR ASSEMBLY PARTS LIST, DC SERVO 81-0731-01 ITEM DESCRIPTION PART NO. QUANTITY COVER 30-4433-01 SCREW 30-4434-01 SCREW, S.S.S. 30-4435-01 30-4436-01 PC BOARD, ENCODER 30-4437-01 SCREW 30-4438-01 SPACER 30-4439-01 ENCODER DISC 30-4440-02 SCREW 30-4441-01 ENCODER SENSOR 30-4442-01 MOTOR, DC 30-4443-01 SCREW, S.S.S.
  • Page 20 ® ML892E-21 E. SYNCHRONIZER ITEM DESCRIPTION PART NO. QUANTITY SYNCHRONIZER 81-0733-01 COVER, SYNCHRONIZER 30-4262-02 SCREW M5 X 12 F.H.M.S. 30-4263-01 SPACER DISC RETAINING 30-4264-01 30-4428-01 DISC POSITIONER 30-4266-01 SPACER, DISC 30-4267-01 DISC, TRIM 30-4268-01 SCREW M3.5 X SELF TAP 30-4270-01 SPACER 30-4271-01 HOUSING...

  • Page 21: Programmable Display

    ® ML892E-22 F. PROGRAMMABLE DISPLAY ITEM DESCRIPTION PART NO. QUANTITY PROGRAMMABLE DISPLAY 30-4321-01 BRACKET, MOUNTING 02-4059-01 RUBBER WASHER 30-2549-01 FLAT WASHER 33-1708-01 LOCK WASHER 33-1808-01 SCREW 30-2014-01 G. E-PROM Most of the E-proms used are Cmos devices, thus subject to being damaged by electrostatic discharges.

  • Page 22: Air Control Assembly

    ® ML892E-23 H. AIR CONTROL ASSEMBLY 81-0808-01 ITEM PART NO. DESCRIPTION QUANTITY PARTS WITH AN ASTERIK (*) BELONG TO THE CUTTER ASS'Y 01-3066-11 FIL.HD.-SCREW 30-1729-01 HOSE FITTING 01-6850-02 BRACKET 02-0518-01 BRACKET 02-0519-01 GUARD 11-0322-02 CABLE ASS'Y 11-0441-01 CABLE ASS'Y 30-0100-01 STRAIN RELIEF 30-0277-01 QUICK DISCONNECT, MALE...

  • Page 23: Complimentary Assemblies

    ® SECTION VII ML892E-24 COMPLIMENTARY ASSEMBLIES A. NEEDLE COOLER B. THREAD CATCHER 80-0495-01 80-0476-01 C. ELECTRIC EYE MOUNTING 80-0500-01 = STANDAD ROLLER 80-0500-02 = WIDE ROLLER...

  • Page 24: Footlifter Assembly (U.s. 35800)

    ® ML892E-25 D. FOOTLIFTER ASSEMBLY U.S. 35800 80-0180-115 STANDARD COLUMN 80-0180-121 EXTENDED COLUMN E. FOOTLIFTER ASSEMBLY F. VENTURI ASSEMBLY U.S. 36200 80-0198-06 80-0180-140 33-1616-01 80-0280-01 HEX NUT AIR CYLINDER 30-2603-01 30-0887-01 SCREW 30-2954-250 GRIP RING 01-4512-71 ELBOW 33-0210-10 CLEVIS SCREW P.H.M.S. 01-4524-11 33-1710-01 PIN-SHORT...

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