Epson C Series, Maintenance Manual, Page: 9 / 668

Table of Contents
C Series Maintenance Manual Rev.2 vii
C4 Series Maintenance
1. Safety Maintenance 3
2. General Maintenance 5
2.1 Maintenance Inspection ............................................................................ 5
2.1.1 Schedule for Maintenance Inspection ........................................... 5
2.1.2 Inspection Point ............................................................................. 6
2.2 Overhaul (Parts Replacement) ................................................................. 8
2.3 Greasing.................................................................................................. 10
2.4 Tightening Hexagon Socket Head Bolts ................................................. 12
2.5 Layout of Maintenance Parts .................................................................. 13
3. Covers 14
3.1 Arm #1 Top Cover................................................................................... 15
3.2 Arm #1 Side Cover.................................................................................. 15
3.3 Arm #2 Side Cover.................................................................................. 16
3.4 Arm #3 Head Cover ................................................................................ 16
3.5 Arm #3 Bottom Cover ............................................................................. 17
3.6 Arm #4 side cover ................................................................................... 17
3.7 Base Bottom Cover ................................................................................. 18
3.8 Connector Plate ...................................................................................... 18
3.9 Connector Sub Plate ............................................................................... 19
3.10 User Plate ............................................................................................. 19
4. Cable Unit 20
4.1 Replacing the Cable Unit ........................................................................ 20
Removal: Cable unit ................................................................................ 22
Installation: Cable unit............................................................................. 29
4.2 Connector Pin Assignments ................................................................... 48
4.2.1 Signal Cable ................................................................................ 48
4.2.2 Power Cable ................................................................................ 54
4.2.3 User Cable .................................................................................. 57
4.2.4 Color of Cables............................................................................ 57
5. Joint #1 58
5.1 Joint #1 - Replacing the Motor ................................................................ 59
Removal: Joint #1 Motor ......................................................................... 59
Installation: Joint #1 Motor ...................................................................... 61