Specifications

Jump Stitch Solenoid 3 - 17
Replacement 3 - 17
Adjustment 3 - 19
Plunger Positioning 3 - 19
Bracket Positioning 3 - 20
Color Change 3 - 21
PCB Replacement 3 - 21
Color Change Motor Replacement 3 - 23
Color Change Motor Belt Tension 3 - 24
Color Change Cam Assembly Replacement 3 - 25
Needle Case 3 - 27
Replacing a Needle Bar / Presser Foot / Associated Parts 3 - 27
Needle Case Removal 3 - 29
Head #1 3 - 29
Head #s 2, 3, and 4 3 - 31
Replacing Needle Case Cross Roller Bearing 3 - 31
Cross Roller Bearing Centering 3 - 32
Retainer Plate Bearing Adjustment 3 - 33
Replacing Reciprocator / Needle Bar Guide Shaft 3 - 34
Installing Needle Case 3 - 36
Head #1 3 - 36
Head #s 2, 3, and 4 3 - 38
Lower Rail Retainer Adjustment 3 - 39
Rotary Hook 3 - 41
Hook Replacement 3 - 41
Adjust The UTC Assembly 3 - 43
Needle Depth 3 - 44
Hook Timing Adjustments Only 3 - 47
UTC Adjustments 3 - 49
4. Trimmer Maintenance
General 4 - 1
Sequence of Trim Events 4 - 1
Trimmer Replacement Procedures 4 - 2
Grabber Drive Assembly 4 - 2
Grabber Blade Replacement 4 - 3
Grabber Adjustments 4 - 4
Trimmer Drive Assembly 4 - 7
Trimmer Cam 4 - 7
Trimmer Solenoid 4 - 7
Picker Solenoid Assembly 4 - 8
Home Position Optical Switch 4 - 9
Picker Assembly 4 - 9
Movable Knife 4 - 10
Adjustable Fixed Knife/Under Thread Presser 4 - 11
Movable Knife Drive Arm 4 - 12
Table of Contents
EMT 10/4T Technical Manual
iii
110279-01, Rev. B