ABB IRB 920 - Page 6

854 Maintenance
854.1 Introduction ......................................................................................................
864.2 Service Information System (SIS) .........................................................................
874.3 Maintenance schedule and expected component life ...............................................
874.3.1 Specification of maintenance intervals ........................................................
884.3.2 Maintenance schedule .............................................................................
904.3.3 Expected component life .........................................................................
914.4 Inspection activities ...........................................................................................
914.4.1 Inspecting the information labels ................................................................
934.4.2 Inspecting the robot cabling .....................................................................
944.4.3 Inspecting the ball screw spline unit ...........................................................
974.4.4 Inspecting axis-3 mechanical stops ............................................................
1004.4.5 Inspecting timing belts ............................................................................
1054.5 Replacement/changing activities ..........................................................................
1064.6 Lubrication activities ..........................................................................................
1064.6.1 Lubricating the ball screw spline unit ..........................................................
1084.7 Cleaning activities .............................................................................................
1084.7.1 Cleaning the IRB 920 ...............................................................................
1115 Repair
1115.1 Introduction ......................................................................................................
1125.2 General procedures ...........................................................................................
1125.2.1 Performing a leak-down test ......................................................................
1135.2.2 Mounting instructions for bearings .............................................................
1155.2.3 Mounting instructions for sealings ..............................................................
1185.2.4 Cut the paint or surface on the robot before replacing parts ............................
1205.3 Cable harness ..................................................................................................
1205.3.1 Replacing the main harness ......................................................................
1755.3.2 Replacing the process hub ........................................................................
1935.3.3 Replacing the SMB unit and battery unit ......................................................
2035.4 Base ...............................................................................................................
2035.4.1 Replacing the base .................................................................................
2665.4.2 Replacing the axis-1 timing belt .................................................................
3255.5 Inner arm .........................................................................................................
3255.5.1 Replacing the inner arm ...........................................................................
3985.6 Outer arm ........................................................................................................
3985.6.1 Replacing the mechanical stopper ..............................................................
4215.6.2 Replacing the bellows ..............................................................................
4365.6.3 Replacing the pulley on the ball screw upper position ....................................
4545.6.4 Replacing the pulley on the ball screw lower position .....................................
4885.6.5 Replacing the ball screw ...........................................................................
5345.6.6 Replacing the axis-2 timing belt .................................................................
5655.6.7 Replacing the axis-3 timing belt .................................................................
5795.6.8 Replacing the axis-4 second timing belt .......................................................
6015.6.9 Replacing the axis-4 timing belt .................................................................
6265.6.10 Replacing the transmission module ............................................................
6525.6.11 Replacing the outer arm ...........................................................................
7125.7 Motors ............................................................................................................
7125.7.1 Replacing the axis-1 motor sub-assembly ....................................................
7715.7.2 Replacing the axis-2 motor sub-assembly ....................................................
8025.7.3 Replacing the axis-3 motor sub-assembly ....................................................
8195.7.4 Replacing the axis-4 motor sub-assembly ....................................................
8435.8 Gearboxes .......................................................................................................
8435.8.1 Replacing the axis-1 gear unit sub-assembly ................................................
9065.8.2 Replacing the axis-2 gear unit sub-assembly ................................................
6 Product manual - IRB 920
3HAC075721-001 Revision: C
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