EasyManua.ls Logo

Melco EMT16X - User Manual

Melco EMT16X
289 pages
Print Icon
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Loading...
EMT16X Technical Manual
Rev 113020

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the Melco EMT16X and is the answer not in the manual?

Summary

Copyright Notice

About This Manual

Standard Conventions and Definition of Terms

Regulatory Notices

Best Maintenance Repair Practices

Drive Belt Tensions

Guidelines and cautions for adjusting drive belt tensions to prevent damage and ensure proper performance.

Scheduled Maintenance

Overview of lubrication, cleaning, measurements, and inspections performed on a periodic schedule.

Lubrication

Procedures for lubricating parts, emphasizing the use of approved lubricants and methods.

Torque Measurements

Importance of applying proper torque to screws, bolts, and nuts as specified.

Grounding and Static Electricity

Static Electricity

Sensitivity of computerized equipment to static electricity and precautions during work.

Grounding Strap Use

Proper connection and use of grounding straps to dissipate static charge.

Machine Orientation

Safety Issues

Voltages

Warnings about lethal voltages within the power supply unit and associated wiring.

Hazardous Material Notices

Information on lubricants containing carcinogens and safe handling of solvents.

Moving Parts

Warnings about operating the machine with covers removed and avoiding moving parts.

Warranty Considerations

Explanation of Machine Symbols

Keypad Operations

Trace Button

Function and use of the trace button for design centering and fit.

Arrow Up Key (Y-Axis Back)

Keypad function for moving needle case, manual jog, and increasing sew speed.

Color Change;Needle Case

Keypad functions for color change and moving the needle case left or right.

Arrow Left Key (X-Axis Left)

Keypad function for manual jog of stitch point left and moving needlecase left.

Arrow Right Key (X-Axis Left)

Keypad function for manual jog of stitch point right and moving needle case right.

Center Key

Keypad function for moving hoop to center and toggling the safety grabber.

Adjustment Key

Keypad function for adjusting thread feed or machine speed.

Arrow Down Key (Y-Axis Forward)

Keypad function for moving needle case to previous color and decreasing sew speed.

Hoop Key

Keypad function for moving needle position relative to the hoop.

Step Back Key

Keypad function to move the machine backwards on the design for restitching.

Step Forward Key

Keypad function to move the stitch point forward in the design.

Laser Key

Keypad function to turn the laser on and manually feed thread.

Start Button

Keypad function to start sewing the design.

Stop Button

Keypad function to stop machine operation without disconnecting power.

Emergency Stop Button

Keypad function to break the electrical circuit to all motors to prevent operation.

LED Indicator

Explanation of LED colors and blinking patterns indicating machine status or faults.

Head Timing Keypad Functions

Specifications

Technical Specifications

Torque Specifications

Software Maintenance Menus

Special Tools and Fixtures

General Maintenance

Cleaning

Importance of regular cleaning to prevent dust and lint accumulation damage.

Rotary Hook and Trimmer Assembly area

Cleaning procedures for the rotary hook and trimmer assembly area.

Lubrication Schedule and Specifications

Maintenance Schedule

Summary of lubrication points, schedules, and types of lubricants to use.

Daily Maintenance

Procedures for daily lubrication, including the rotary hook.

Weekly Maintenance

Procedures for weekly lubrication of needle drive and V-rails.

Monthly Maintenance

Procedures for monthly lubrication of X-drive rails and Y-bearing blocks.

Quarterly Maintenance

Procedures for quarterly lubrication of take-up lever cam and presser foot components.

Head Up Position Adjustment

Mechanical Head-Up Position

Definition of mechanical head up and checking electrical head-up position.

Adjusting Head-Up (Z-Home) Position

Procedure for adjusting the Z-home position after checking head up.

Hook Timing Inspection;Adjustment

Rotational Hook Timing Inspection Procedure

Steps to inspect the rotational hook timing of the machine.

Needle To Hook Gap Inspection Procedure

Procedure to inspect the gap between the needle and the hook point.

Adjustment Procedure

Detailed steps for adjusting the hook timing and needle to hook gap.

Trimmer Replacement

NPT Printed Circuit Board Assembly Replacement

Procedure for replacing the trimmer PCBA.

NPT Sensor Replacement

Procedure for replacing the NPT sensor.

NPT Motor Replacement

Procedure for replacing the NPT motor assembly.

Centering The Needle Plate

Procedure for centering the needle plate relative to the needle.

Laser Light - Adjustment

Needle Depth

Setting the Needle Depth by Eye

Procedure for setting needle depth by visual inspection.

Presser Foot Height

X;Y Home Adjustment

Home Adjustment Procedures

Step-by-step guide for adjusting X/Y home positions using a fixture.

X-Cable Tension

Determining if an X-Cable is Set to Required Specifications

Procedure to check if X-cable tension meets required specifications.

Adjusting an X-Cable that is Tensioned Outside the Required Specifications

Procedure to adjust X-cable tension when it is outside the required specifications.

Adjusting the Tension on a Replacement X-Cable

Procedure for initial tension adjustment of a new X-cable.

Y-Axis Timing Belt Tensioning

Y-Axis Belt Tension Inspection

Procedure to inspect Y-axis timing belt tension using a force gauge.

Y-Axis Belt Tension Adjustment

Procedure for adjusting the Y-axis timing belt tension.

Y-Motor Timing Belt Tensioning

Inspection and Adjustment

Procedure for inspecting and adjusting Y-motor timing belt tension.

Z-TIMING: Bottom Center & Head-Up

Bottom Center (Z Timing)

Measurement procedure for Z-timing at bottom center.

Adjustment

Procedure for adjusting Z-axis timing.

Z-Drive Belt Tensioning

Inspection and Adjustment

Procedure to inspect and adjust Z-drive belt tension.

Z-Home Adjustment

Procedure to Identify the Closest Needle

Fine calibration procedure

Steps for fine calibration of needle position relative to the rotary hook.

Rough Calibration Process

Steps for rough calibration of needle position.

Needle Case Calibration

Rotary Hook Support Adjustment

Inspection Procedure

Procedure to inspect the rotary hook support.

Adjustment Procedure

Procedure to adjust the rotary hook support.

Color Change, Take-Up, Feeder Housing Assembly

Replacement Procedure for Entire Color Change;Take-Up;Feeder Assembly

Procedure for replacing the entire color change/take-up/feeder assembly.

Color Change Linear Actuator Replacement

Replacement Part Needed

List of parts needed for color change linear actuator replacement.

Replacement Procedures

Step-by-step instructions for replacing the color change linear actuator.

Thread Feeder Gear Replacement

Replacement parts needed

List of parts required for thread feeder gear replacement.

Replacement Procedures

Step-by-step instructions for replacing the thread feeder gear.

Thread Feeder Optical Sensor PCB Replacement

Replacement Parts Needed

List of parts needed for thread feeder optical sensor PCB replacement.

Replacement Procedure

Step-by-step instructions for replacing the thread feeder optical sensor PCB.

Thread Feeder Radial Bearing Replacement

Replacement Part Needed

Part number for the thread feeder radial bearing.

Replacement Procedures

Step-by-step instructions for replacing the thread feeder radial bearing.

Thread Feeder Stepper Motor Assembly

Replacement Parts Needed

List of parts needed for thread feeder stepper motor assembly replacement.

Replacement Procedure

Step-by-step instructions for replacing the thread feeder stepper motor assembly.

Laser Pointer Assembly

Replacement Parts Needed

Part needed for laser pointer assembly replacement.

Replacing the laser assembly

Procedure for replacing the laser assembly.

LED Cluster PCB Replacement

Presser Foot Assembly Replacement

Repair Parts Needed

List of parts needed for presser foot assembly replacement.

Reciprocator

Replacement Parts Needed

List of parts needed for reciprocator replacement.

Replacement Procedure

Step-by-step instructions for replacing the reciprocator assembly.

Take-Up Lever Cam Replacement

Replacement Part Needed

Part needed for take-up lever cam replacement.

Replacement Procedure

Step-by-step instructions for replacing the take-up lever cam.

Z-Drive Repair and Adjustment

Z-Drive Belt Replacement and Tensioning

Procedure for replacing and tensioning the Z-drive belt.

Z-Home Sensor PCB Replacement

Repair Parts Required

List of parts required for Z-home sensor PCB replacement.

Z-Belt Idler Assembly Replacement

Replacement Part Needed

Part needed for Z-belt idler assembly replacement.

Z-Motor Assembly

Replacement Parts Needed

List of parts needed for Z-motor assembly replacement.

Replacement Procedure

Step-by-step instructions for replacing the Z-motor assembly.

Clearing Thread from Thread Feeder Roller

Color Change Spindle Mounting Bracket Replacement

Parts needed for repair

List of parts needed for color change spindle mounting bracket replacement.

Left Color Change Spindle Mounting Bracket Replacement: (only if damaged)

Procedure for replacing the left color change spindle mounting bracket.

Right Color Change Spindle Mounting Bracket Replacement (only if damaged):

Procedure for replacing the right color change spindle mounting bracket.

Grabber Blade Replacement

Parts Needed for Repair

List of parts needed for grabber blade replacement.

Needle Case Removal

Needlecase Installation

Grabber Stepper Motor Replacement

Replacement Parts Needed

List of parts needed for grabber stepper motor replacement.

Replacement Procedure

Step-by-step instructions for replacing the grabber stepper motor.

Take Up Lever Replacement

Replacement Parts Needed

List of parts needed for take up lever replacement.

Replacement Procedure

Step-by-step instructions for replacing the take up lever.

Thread Feeder (replacement and adjustment)

Replacement Procedure

Step-by-step instructions for replacing and adjusting the thread feeder.

Thread Sensor Assembly Replacement

Replacement Parts Needed

Part needed for thread sensor assembly replacement.

Bobbin Shaft Overhaul

Replacement Parts Needed

List of parts needed for bobbin shaft overhaul.

Replacement Procedure

Step-by-step instructions for bobbin shaft overhaul.

Rotary Hook Replacement

List of Tools

List of tools required for rotary hook replacement.

Replacement Procedure

Procedure for replacing the rotary hook.

Main PCB

Replacement Parts Required

Part required for main PCB replacement.

Replacement Procedures

Step-by-step instructions for replacing the main PCB.

Power Input Assembly Replacement

Repair Parts: (Replace;order only damaged or defective parts)

List of parts that may need replacement in the power input assembly.

Power Input Assembly & Inline Coupler Replacement

Power Input Assembly Component Replacement

Power Supply Replacement

Procedure for replacing the power supply unit.

Power Input Switch Replacement

Fuse Replacement

Power Switch Interface Harness Replacement

Power Input Assembly Installation

User Interface Assembly Replacement

Repair Parts Needed

Part needed for user interface assembly replacement.

Harnesses

Color Change Motor Harness

Replacement Part Needed

Parts needed for color change motor harness replacement.

Replacement Procedures

Step-by-step instructions for replacing the color change motor harness.

Ethernet Harness

Replacement Parts Needed

Parts needed for Ethernet harness replacement.

Replacement Procedures

Step-by-step instructions for replacing the Ethernet harness.

Grabber;Threadfeed Motor Harness

Replacement Parts Needed

Parts needed for grabber/threadfeed motor harness replacement.

Replacement Procedures

Step-by-step instructions for replacing the grabber/threadfeed motor harness.

Grabber;Threadfeed;CC Home Harness

Replacement Parts Needed

Parts needed for grabber/threadfeed/cc home harness replacement.

Replacement Procedures

Step-by-step instructions for replacing the grabber/threadfeed/cc home harness.

Laser Harness

Replacement Parts Needed

Parts needed for laser harness replacement.

Replacing the laser assembly

Procedure for replacing the laser assembly.

LED Cluster Harness

Replacement Parts Needed

Parts needed for LED cluster harness replacement.

Left LED Cluster Harness

Procedure for replacing the left LED cluster harness.

Right LED Cluster Assembly

Procedure for replacing the right LED cluster assembly.

Thread Break Harness

Replacement Parts Needed

Parts needed for thread break harness replacement.

Replacement Procedures

Step-by-step instructions for replacing the thread break harness.

Z Home Harness

Replacement Part Needed

Parts needed for Z home harness replacement.

Replacement Procedures

Step-by-step instructions for replacing the Z home harness.

User Interface Harness

Replacement Parts Needed

Parts needed for user interface harness replacement.

Replacement Procedures

Step-by-step instructions for replacing the user interface harness.

X;Y Home Harness

Replacement Parts Needed

Parts needed for X/Y home harness replacement.

Replacement Procedures

Step-by-step instructions for replacing the X/Y home harness.

Bearing Block Assemblies

Replacement Parts Needed

List of parts needed for bearing block assembly replacement.

Replacement Procedures

Step-by-step instructions for replacing bearing block assemblies.

X-Beam Assembly

Replacement Parts Needed

Parts needed for X-beam assembly replacement.

Replacement;Repair Procedures

Procedures for replacing or repairing the X-beam assembly.

X-Carriage Assembly

Replacement Parts

List of replacement parts for the X-carriage assembly.

Removal;Repair Procedures

Procedures for removing and repairing the X-carriage assembly.

X-Drive Cable Removal

X-Cable Removal Procedure

Step-by-step instructions for removing the X-drive cable.

X-Drive Cable Installation

Replacement Parts Needed

List of parts needed for X-drive cable installation.

X-Cable Assembly Installation

Step-by-step instructions for installing the X-drive cable assembly.

X-Drive Motor Replacement

Replacement Parts Needed

List of parts needed for X-drive motor replacement.

Replacement Procedure

Step-by-step instructions for replacing the X-drive motor.

X-Home Optical Switch Assembly Replacement

Replacement Part Needed

Part needed for X-home optical switch assembly replacement.

Replacement Procedures

Step-by-step instructions for replacing the X-home optical switch assembly.

X;Y Home PCB Replacement

Replacement Parts Needed

Part needed for X/Y Home PCB replacement.

Replacement Procedure

Step-by-step instructions for replacing the X/Y Home PCB.

Y-Drive Belt Replacement

Replacement Parts Needed

Parts needed for Y-drive belt replacement.

Replacement Procedures

Step-by-step instructions for replacing the Y-drive belt.

Y-Motor Assembly

Replacement Parts Needed

Parts needed for Y-motor assembly replacement.

Replacement Procedures

Step-by-step instructions for replacing the Y-motor assembly.

Troubleshooting

Grabber Function Test

Test Procedures

Steps to perform the grabber function test.

Final Functional Tests

Visual Inspection

Checklist for inspecting the machine after repairs.

Functional Tests

Performing functional tests to ensure correct repairs and adjustments.

Burn-in

Procedure for burning in replaced components like motors or PCBs.

Test Sew Outs

Guidelines for conducting test sew outs after repairs or adjustments.

Optical Sensors Test

Power Supply Test

Servo Motor Resistance Test

Stepper Motor Resistance Test

Test Designs

Thread Tension Test

Test design for verifying upper and bobbin thread tension.

Belt Tension Test

Test design for verifying X-cable and Y-axis timing belt tension.

Long Stitch Test

Test design for reliability of long stitches and adjustments.

Looping Test

Test design for reliability on fills and column stitching.

Orientation Test

Test design to verify orientation consistency and stitch length.

Registration Test

Test design to verify stitch repeatability and X/Y axis adjustments.

Small Alphabet Test

Test design to check ability to do small lettering.

Thread Break Sensor Test

Test design to check thread break sensor functionality.

Thread Break Test

Test design to check for thread breaks by running various stitch types.

Trimmer Test

Test design to verify trimmer and grabber functions.

Electrical Failures

Color Change Failures

Troubleshooting steps for color change failures.

LED Cluster Assembly Failures

Mechanical Failures

False Thread Breaks

Causes and solutions for false thread breaks.

Loose;Looping Stitches

Causes and solutions for loose or looping stitches.

Needle Breaks

Causes and solutions for needle breaks.

Skipped Stitches

Causes and solutions for skipped stitches.

Thread Breaks

Causes and solutions for thread breaks.

Needles; Needle Depth; Needle Plate

Troubleshooting for needle issues, depth, and plate.

Thread; thread path

Troubleshooting for thread path issues.

Thread feeder; Pinch rollers

Inspection of thread feeder and pinch rollers.

Fabric and hoops

Troubleshooting for fabric and hoop related issues.

Rotary hook

Troubleshooting related to the rotary hook.

Miss-Starts

Causes and solutions for miss-starts.

Cap Frame Issues

Troubleshooting for cap frame related problems.

Loss of registration

Causes and solutions for loss of registration.

Cap frame is loose on the driver

Troubleshooting for loose cap frames on the driver.

Miscellaneous Problems

Troubleshooting for miscellaneous issues like birdnesting.

X-Axis Failures

Y-Axis Failures

Z-Axis Failures

Software Error Messages

DSP Command Errors

Troubleshooting for DSP command errors.

Can’t Initialize Stepper Motors

Troubleshooting for errors initializing stepper motors.

No Trace Data

Error message indicating no design is loaded for trace function.

XY Home Not Set

Error message indicating X/Y home positions are not synchronized.

Goto Func Error

Error when attempting a function while machine is already performing one.

Hoop Center Error

Error when attempting to center hoop during sewing or design.

Stepper Motor Time Out and Index Errors

Troubleshooting for stepper motor time out and index errors.

E-Stop Engaged

Information on E-Stop engaged messages and troubleshooting.

Servo Motor Errors (Move Time Out, Tracking, and Over Current Errors)

Critical Measurements

Contents & Critical Mechanical Settings and Assemblies

Overview of critical mechanical settings and assemblies.

Needle Drive Stud to Reciprocator Fit

Measurement of vertical free play in the needle.

Hook Timing

Reference to the hook timing section for measurement details.

Upper Arm to Lower Bed Alignment

Measurement of upper arm to lower bed alignment.

Head Alignment Procedure

Procedure for head alignment, best performed at the factory.

Needle to Hook Gap

Reference to needle to hook gap section for measurement details.

Hook to Rotary Support Gap

Reference to hook to rotary support gap section for measurement details.

Take-Up Lever Stroke

Measurement of vertical distance traveled by the take-up lever.

Take-Up Lever Fit to Shaft

Checking for free rotation of take-up levers on the shaft.

Take-Up Lever Endplay

Measurement of left or right play of take-up levers on the shaft.

Cam Follower Preload

Measurement of spring force applied against the cam follower.

Pull Force on Take-Up Lever

Measurement of force required to lift the take-up lever.

Color Change Lead Screw

Measurement of the straightness of the color change lead screw.

Color Change Housing Location

Measurement of the color change housing location relative to the upper v-rail.

Bobbin Tension

Measurement of bobbin thread tension using a gauge.

Checking Bobbin Tension

Procedure to check bobbin tension without a gauge.

Presser Foot Adjustment at Bottom Dead Center

Measurement of presser foot height at bottom dead center.

Thread Feed Forward 200

Measurement of thread feed forward length.

Needles

Information on needle quality and type.

Needle Orientation

Correct orientation of embroidery needles for sewing quality.

Thread Clean Thread Path

Measurement of thread clean thread path.

Z-Belt Tension

Measurement of Z-belt tension using a BRECO meter or force gauge.

X-Cable Tension

Measurement of X-cable tension using a BRECO meter or force gauge.

Y-Axis Timing Belt Tension

Measurement of Y-axis timing belt tension using a BRECO meter or force gauge.

Proper Lubrication of Moving Parts

Importance of checking and maintaining proper lubrication of machine parts.

Melco EMT16X Specifications

General IconGeneral
Needles16
ControlTouch Screen
Thread Break DetectionYes
TypeEmbroidery Machine
ConnectivityUSB
DisplayLCD

Related product manuals