Melco EMT 10/4 manuals

Melco EMT 10/4 Specifications (124 pages)

Brand: Melco | Category: Sewing machines | Size: 2.81 MB |

English

Table of contents

Technical manual for

1

Table of Contents

3

EMC 10/4 Technical Manual

4

1. Introduction

7

Explanation Of Symbols

8

Glossary Of Terms

9

Maintenance Philosophy

9

System Overview

9

Configuring the EMC 10/4

11

Configuration Procedure

12

1 - 8 System Overview

14

2. Service Adjustments

15

Keyboard Section

16

Carriage Section

17

X Drive Belt Tension

19

Y Drive Belt Tensions

21

Under Carriage Section

22

Y Motor Belt Tension

23

AC Input Voltage Selection

23

Third LED

24

Head Section

26

Z Drive Motor Belt Tension

27

Z Encoder System Introduction

30

Z Encoder Inspection

31

Z Shaft Encoder Calibration

32

Adjustment Hints

34

Alternate Method

37

Jump Stitch Solenoid

39

Bracket Positioning

40

Thread Break Brush Adjustment

42

Trimmer Option

44

Z Timeout Errors

45

Spring Knife

48

Under Thread Presser

51

Checking Select Position

55

Select Position Adjustment

56

Picker Finger Centering

57

Picker Home Position

58

Picker Height/Depth Position

58

Grabber Adjustments

59

TOP VIEW of UNDER

63

THE NEEDLE PLATE

63

Sew Test

64

Preliminary Checks

65

Perform The Test

65

VIEW from UNDER the

65

UTC ASSEMBLY

65

3. Mechanical Disassembly

67

Embroidery Peripheral

68

Removing the Tensioner Covers

69

Controller Section

71

CPU PCB Replacement

72

Y Drive Belt Replacement

78

X Y Z Motor Drives

81

Power Supply Replacement

83

Z Motor Replacement

85

Z Shaft Encoder Installation

86

Thread Tree Assembly Removal

88

Changing A Check Spring

90

Replacing A Needle Bar

94

NEEDLE BAR

96

INSTALLATION

96

Needle Case Removal

97

3 - 32 Head Section

98

Installing Needle Case

99

Head #s 1, 2, and 3

101

Needle Centering

102

FRONT VIEW

103

Color Change PCB Replacement

107

Trimmer Assemblies

111

Grabber Blade

112

Trimmer Drive Assembly

114

Picker Solenoid Assembly

115

Home Position Optical Switch

116

Picker Assembly

116

Movable Knife

117

Movable Knife Drive Arm

119

UTC Replacement

120

UTC Replacement 3 - 55

121

3 - 56 Head Section

122

EMC 10/4 Technical Manual i

123

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Melco devices

Sewing machines