4 Repair4.4.1. Replacement of complete upper arm1173HAC023637-001 Revision: B4.4 Upper and lower arm4.4.1. Replacement of complete upper armGeneralThe complete upper arm is considered a spare part, including wrist, gearboxes and motors.Location of upper armThe figure below shows the location of the upper arm on the robot and some of the upper armcomponents.A more detailed view of the upper arm may be found in the spare part view Upper arm,exploded view 2 on page 208 in part 2 of the Product manual.xx0400001218Required equipmentA Arm housing cover, including gaskets for the cover and the contact panelB VK cover. Upper arm attachment screws insideEquipment Spare part no. Art. no. NoteUpper arm, spare 3HAC 023630-001 Includes the wrist unit. Allgearboxes are filled withoil at delivery.VK-cover 3HAA 2166-23Sealing ring (V-ring) 3HAB 3732-19 Replace if damaged.Gasket, upper arm cover 3HAC 022049-001 Replace if damaged.Gasket, customerconnections3HAC 022050-001 Replace if damaged.Grease 3HAB 3537-1 To lubricate the sealingring (V-ring).Locking liquid - Loctite 574Continues on next page
