ABB OmniCore IRB 6740 Product Manual

Removing the cassette sealingUse these procedures to remove the cassette sealing.Preparations before removing the cassette sealingNoteActionJog the robot to synchronization position.1Lock screw, M16x120Fit a lock screw through the hole for the lockscrew in the frame and into the lower arm to se-cure the weight of the lower and upper arms.CAUTIONDo not tighten the lock screw, since too hardtightening could damage the gear.2xx2200001332DANGERTurn off all:• electric power supply• hydraulic pressure supply• air pressure supplyto the robot, before entering the safeguardedspace.3Remove any installed equipment on or close tothe balancing device.4See Changing the oil in axis-1gearbox on page 137.Drain 500 ml of oil from the axis-1 gearbox, tolower the oil level beneath the cassette sealing.5Unloading the balancing device springs and locking position with the Hydraulic press equipment, balancingdeviceUse this procedure to unload and lock the balancing device in unloaded positionwith the Hydraulic press equipment, balancing device (3HAC074411-001).NoteActionDANGERMake sure that all supplies for electricalpower, hydraulic pressure, and air pressureare turned off.1Continues on next page188 Product manual - IRB 67403HAC085701-001 Revision: A© Copyright 2023 ABB. All rights reserved.5 Repair5.3.1 Replacing the axis-1 cassette sealingContinued