Specifications

Under Carriage Section 2 - 17
Y Drive Motor Replacement 2 - 17
Y Motor Belt Replacement 2 - 19
Adjustments 2 - 21
XYZ Motor Drive Amplifiers 2 - 22
Current Limit Switch Settings 2 - 22
Module Replacement 2 - 23
Electronics Section 2 - 24
Remove Card Cage Cover 2 - 24
Card Cage Components 2 - 25
CPU PCB Replacement 2 - 26
Ethernet Network PCB 2 - 26
Interface PCB Replacement 2 - 27
Low Voltage Driver PCB 2 - 27
Backplane PCB 2 - 28
Power Distribution Section 2 - 30
AC Input Voltage Selection 2 - 30
Voltage Adjustments 2 - 31
Power Supply Assembly Removal/Replacement 2 - 31
Logic Power Supply Removal/Replacement 2 - 32
24V Power Supply Removal/Replacement 2 - 32
Emergency Stop PCB Assembly Removal/Replacement 2 - 33
Estop PCB Fuses 2 - 33
Power and Light Switch Removal/Replacement 2 - 34
3. Embroidery Head Maintenance
General 3 - 1
Arm and Bed Assembly 3 - 1
Z Drive Mechanical System 3 - 1
Z Motor Replacement 3 - 2
Z Motor Belt Tensioning 3 - 4
Synchronizing The Embroidery Heads 3 - 5
Shaft Drive Gear Mesh 3 - 6
Z Shaft Encoder 3 - 7
Introduction 3 - 7
Inspection 3 - 8
Installation 3 - 8
Calibration 3 - 10
Thread Tensioner Assembly 3 - 12
Assembly Removal 3 - 12
Thread Guide Tubes 3 - 12
Individual Thread Tensioner Replacement 3 - 13
Changing A Check Spring 3 - 14
Check Spring Adjustment 3 - 15
Adjustment Hints 3 - 15
Replacing A Thread Break Contact Post 3 - 16
Table of Contents
Melco Embroidery Systems
ii
EMT 10/4T Technical Manual