CONTENTS
ii
Page
3.6 External Wiring and Piping Box ........................................................................................................................................ 3-60
3.7 Installing the vacuum valve set ....................................................................................................................................... 3-63
3.8 Connector protection when the option devices are installed ............................................................................. 3-65
5.1 Maintenance and inspection interval ............................................................................................................................. 5-68
5.2 Inspection items ..................................................................................................................................................................... 5-69
5.2.1 Daily inspection items .................................................................................................................................................. 5-69
5.2.2 Periodic inspection ........................................................................................................................................................ 5-70
5.3.1 Robot arm structure ..................................................................................................................................................... 5-71
5.3.2 Installing/removing the cover ................................................................................................................................... 5-72
5.3.3 Packing Replacement Procedure ............................................................................................................................ 5-73
(1) Timing belt replacement period ......................................................................................................................... 5-77
(2) Inspecting/Adjusting the J3 axis timing belt ................................................................................................. 5-78
(3) Replacing the J3 axis timing belt ........................................................................................................................ 5-79
(4) Inspecting/Adjusting the J4 axis timing belt ................................................................................................. 5-82
(5) Timing belt tension ................................................................................................................................................... 5-85
5.3.5 Replacing the bellows (Option) ................................................................................................................................ 5-86
5.3.6 Lubrication ........................................................................................................................................................................ 5-87
(1) Lubrication position and specifications ............................................................................................................ 5-87
(2) Lubrication method to the J1, J2 axis ............................................................................................................. 5-88
(3) Lubrication method to the shaft ......................................................................................................................... 5-88
5.4 About Overhaul ...................................................................................................................................................................... 5-91
5.5 Maintenance parts ................................................................................................................................................................. 5-92
5.6 Resetting the origin .............................................................................................................................................................. 5-93
(1) J1 axis origin setting (mechanical stopper) ................................................................................................... 5-94
(2) J2 axis origin setting (mechanical stopper) ................................................................................................... 5-96
(3) J3 and J4 axis origin setting (mechanical stopper) .................................................................................... 5-98
(1) J1 axis origin setting ............................................................................................................................................. 5-102
(2) J2 axis origin setting ............................................................................................................................................. 5-104
(3) J3 and J4 axis origin setting ............................................................................................................................. 5-105
5.6.4 User origin method ..................................................................................................................................................... 5-109
5.6.5 Recording the origin data ........................................................................................................................................ 5-111