4 Repair4.8.1. Replacement of gearbox, axis 1-31713HAC026048-001 Revision: A© Copyright 2006-2008 ABB. All rights reserved.Refitting, gearbox axis 1-3The procedure below details how to refit the gearbox, axis 1-3.Action Note1.-Danger!Turn off all electric power, hydraulic andpneumatic pressure supplies to the robot!2.-Caution!The complete gearbox unit weighs 200 kg(without the base)! All lifting equipment usedmust be sized accordingly!3. Place the gearbox unit upside-down on a table orsimilar surface.4. Fit the base to the gearbox unit and secure withthe 12 screws and washers.12 pcs; M12x50. Tightening torque:54 Nm.5. Refit the bottom plate to the base.6. Turn the base and gearbox unit around andsecure to the installation site.Further detailed in section Orientingand securing the robot on page 47.7. Refit the motor, axis 1. Detailed in section Refitting, motoraxis 1 on page 153.8. Refit the motor, axis 2. Detailed in section Refitting, motoraxis 2 on page 158.9. Refit the motor, axis 3. Detailed in section Refitting, motoraxis 3 on page 163.10. Refit the complete lower arm. Detailed in section Refitting, lowerarm on page 136.11. Refit the cable unit, axes 1-3. Detailed in section Refitting,gearbox axis 1-3 on page 171.12. Calibrate the robot. Calibration is detailed in a separatecalibration manual, enclosed withthe calibration tools.General calibration information isincluded in section Calibrationinformation on page 175.13.-Danger!Make sure all safety requirements are met whenperforming the first test run. These are furtherdetailed in section DANGER - First test run maycause injury or damage! on page 32.Continued