993 Maintenance993.1 Introduction ......................................................................................................1003.2 Maintenance schedule and expected component life ...............................................1003.2.1 Specification of maintenance intervals ........................................................1013.2.2 Maintenance schedule .............................................................................1033.2.3 Expected component life .........................................................................1043.3 Inspection activities ...........................................................................................1043.3.1 Inspecting the oil level in axis-1 gearbox ......................................................1073.3.2 Inspecting the oil level in axis-2 and 3 gearboxes ..........................................1103.3.3 Inspecting the oil level in axis-4 primary gearbox ..........................................1133.3.4 Inspecting the oil level in axis-4 secondary gearbox .......................................1153.3.5 Inspecting the oil level in axis-5 gearbox ......................................................1183.3.6 Inspecting the oil level in axis-6 gearbox ......................................................1213.3.7 Inspecting the transparent plugs ................................................................1233.3.8 Inspecting the balancing devices ...............................................................1263.3.9 Inspecting the cable harness .....................................................................1283.3.10 Inspecting the information labels ................................................................1323.3.11 Inspecting the axis-1 mechanical stop pin ...................................................1343.3.12 Inspecting the additional mechanical stops .................................................1363.3.13 Inspecting the fork lift accessories ..............................................................1383.3.14 Inspecting the signal lamp (option) .............................................................1393.3.15 Inspecting dampers .................................................................................1403.4 Replacement/changing activities ..........................................................................1403.4.1 Type of lubrication in gearboxes ................................................................1413.4.2 Changing oil, axis-1 gearbox .....................................................................1473.4.3 Changing oil in axis-2 and axis-3 gearbox ....................................................1533.4.4 Changing oil, axis-4 primary gearbox ..........................................................1593.4.5 Changing oil, axis-4 secondary gearbox ......................................................1643.4.6 Changing oil, axis-5 gearbox .....................................................................1683.4.7 Changing oil, axis-6 gearbox .....................................................................1733.4.8 Replacing the SMB battery ........................................................................1763.5 Lubrication activities ..........................................................................................1763.5.1 Lubricating the spherical roller bearings, balancing device ..............................1783.5.2 Lubricating the cross roller bearing .............................................................1803.6 Cleaning activities .............................................................................................1803.6.1 Cleaning the IRB 8700 ..............................................................................1834 Repair1834.1 Introduction ......................................................................................................1844.2 General procedures ...........................................................................................1844.2.1 Performing a leak-down test ......................................................................1854.2.2 Mounting instructions for bearings .............................................................1874.2.3 Mounting instructions for seals ..................................................................1894.2.4 Cut the paint or surface on the robot before replacing parts ............................1904.2.5 The brake release buttons may be jammed after service work .........................1914.3 Attaching lifting accessories ................................................................................1914.3.1 Attaching lifting accessories to the upper arm ...............................................1954.3.2 Attaching lifting accessories to the wrist ......................................................1984.4 Cable harness ..................................................................................................1984.4.1 Removing the cable harness .....................................................................2154.4.2 Refitting the cable harness ........................................................................2354.4.3 Replacing the SMB ..................................................................................2424.4.4 Replacing the brake release unit ................................................................2484.5 Upper and lower arms ........................................................................................2484.5.1 Replacing the upper arm ..........................................................................3034.5.2 Replacing the wrist ..................................................................................3224.5.3 Replacing the axis-6 unit ..........................................................................3424.5.4 Replacing the turning disc ........................................................................6 Product manual - IRB 87003HAC052853-001 Revision: F© Copyright 2015-2018 ABB. 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