Specifications
Needle Case Removal
Head #1 3 - 29
Head #s 2, 3, and 4 3 - 31
Needle Depth 3 - 44
P
Physical/Functional Arrangement 1 - 4 
Picker Assembly 4 - 9 
Finger Position 4 - 27
Height/Depth Position 4 - 28
Home Position 4 - 28
Picker Solenoid Assembly 4 - 8 
Home Position Optical Switch 4 - 9 
Power and Light Switch
Removal/Replacement 2 - 34
Power Distribution Section 2 - 30
Power Supply Assembly
Removal/Replacement 2 - 31
Voltage Adjustments 2 - 31
Presser Foot / Needle Bar / Associated Parts
Replacing 3 - 27
R
Reciprocator / Needle Bar Guide Shaft
Replacing 3 - 34
Retainer Plate Bearing Adjustment 3 - 33
Retaining Finger Positioning 4 - 31
Rotary Hook 3 - 41
S
Scope Of Manual 1 - 1 
Select Position
Adjustment 4 - 25
Checking 4 - 24
Sew Test 4 - 33
Spring Knife 4 - 12, 4 - 18
Standard Conventions Used In Manual 1 - 1 
Start/Stop Panel Assemblies 2 - 2 
Static Electricity  1 - 3 
Synchronizing The Embroidery Heads 3 - 5 
T
Technical Specifications 1 - 8 
Tensioner Covers 2 - 3 
Left Cover 2 - 3 
Rear Cover 2 - 4 
Right Cover 2 - 4 
Thread Break Contact Post Replacing 3 - 16
Thread Guide Tubes 3 - 12
Thread Tensioner Assembly Removal 3 - 12
Thread Tensioner, Individual Replacement 3 - 13
Trimmer Adjustment Procedures 4 - 13
Trimmer Assembly
Replacement Procedures 4 - 2 
Sequence of Trim Events 4 - 1 
Trimmer Cam or Trimmer Solenoid 4 - 7 
Checking "Head Up" Position 4 - 15
Damaged 4 - 14
Trimmer Drive Assembly 4 - 7 
Trimmers Not Trimming Properly 4 - 16
Troubleshooting LEDs and Test Points 1 - 6 
U
Under Carriage Section 2 - 17
Under Thread Control (UTC)
Adjustments 3 - 43, 3 - 49, 4 - 31
Replacement 4 - 29
Under Thread Presser
Checking 4 - 17
Replacement  4 - 11
V
Voltage Adjustments 2 - 31
W
Warranty Considerations 1 - 3 
Wide Angle Cap Frame
Adjustments 5 - 1 
X
X Beam Assembly 2 - 7 
X Drive Belt
Belt Tension 2 - 8 
Replacement 2 - 7 
X Motor and Belt 2 - 10
Adjustment 2 - 12
Replacement 2 - 10
X Shaft Drive
Gear Mesh 3 - 6 
XYZ Motor Drive Amplifiers 2 - 22
Current Limit Switch Settings 2 - 22
Module Replacement 2 - 23
Y
Y Drive Belt 2 - 13
Adjustment 2 - 15
Replacement 2 - 13
Y Drive Motor
Replacement 2 - 17
Y Motor Belt Replacement 2 - 19
Adjustments 2 - 21
INDEX
Melco Embroidery Systems ii EMT 10/4T Technical Manual










