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ABB 3HAC043073-003 is a reduction gear rv-500n-236.36 for IRB 6700 and IRB 8700. It performs axis-3/axis-6 reduction gearbox, graphite white and must match the documented ABB configuration.
This reduction gear supports the documented high-load robot transmission arrangement. Confirm the axis position, ratio and complete article number before replacement.
Check the arm family, mounting pattern, reducer ratio and connected motor or brake arrangement against the installed drive train.
Secure the robot axis, follow ABB mechanical service instructions and verify alignment, lubrication and controlled movement after installation.
Engineering check: Confirm 3HAC043073-003 is the RV-500N gearbox with 236.36 ratio for IRB 6700 or IRB 8700 axis 3/axis 6 and the graphite white execution. Compare flange, output orientation, sealing surfaces and attachment pattern before mounting.
Acceptance test: Use the ABB maintenance procedure for lubricant and filling position, then jog the affected axis at reduced speed. Check direction, backlash, noise, leakage and temperature, and update calibration or the revolution counter before production.