ABB 3HAC028861-003 Replacement for IRB 6700 & IRB 7600

Product Overview

ABB 3HAC028861-003 Replacement for IRB 6700 & IRB 7600: Seamless Transition & Compatible Upgrade

When your ABB IRB 6700 or IRB 7600 series industrial robot requires a body cover replacement, sourcing the correct graphite protective cover is critical to maintaining structural integrity, IP protection ratings, and safe operation on the production floor. The ABB 3HAC028861-003 Graphite Body Cover is a direct OEM-specification replacement component designed to restore your robot arm to full operational condition with zero modification to the existing mounting structure, cable routing, or axis movement envelope.

Many facilities operating legacy ABB robot cells encounter situations where the original body cover has been damaged by weld spatter, mechanical impact, chemical exposure, or prolonged UV degradation. In these scenarios, a like-for-like replacement with the 3HAC028861-003 eliminates the need for costly robot requalification or reprogramming. The cover mounts directly to the existing frame using the original fastener pattern, preserving the robot’s calibration data and TCP (Tool Center Point) settings stored in the IRC5 controller or OmniCore controller without any adjustment.

For facilities transitioning from older IRB 6600 or IRB 7600-500 configurations to the current IRB 6700 platform, this body cover is a key component in the physical retrofit package. The IRB 6700 series shares a compatible mechanical interface with several predecessor models, and the 3HAC028861-003 cover accommodates the updated axis-2 and axis-3 arm geometry introduced in the IRB 6700 redesign. When combined with updated dress packages — including the 3HAC044168-001 cable harness assembly and the 3HAC026692-001 lower arm cover — the full exterior protection system can be restored to factory specification in a single planned maintenance window.

In welding cell applications, the graphite body cover provides essential protection against weld spatter ingress into the axis-3 gearbox area. Facilities running ABB SafeMove2 safety modules or external axis positioners such as the IRBP-A or IRBP-L series should verify that the replacement cover does not interfere with the safety zone geometry defined in the RobotStudio safety configuration. In practice, the 3HAC028861-003 is dimensionally identical to the original, so no safety zone reconfiguration is required.

For paint shop and cleanroom environments where the IRB 7600 is deployed on heavy-payload tasks, the graphite finish of this cover is compatible with standard solvent-based cleaning agents used in automotive OEM facilities. The cover’s surface does not require repainting or additional coating after installation, reducing post-maintenance downtime significantly.

Compatibility Comparison Table

Seamless Upgrade Solutions

A complete body cover replacement on the IRB 6700 or IRB 7600 is rarely performed in isolation. Maintenance engineers typically use the planned downtime window to inspect and replace adjacent wear components to maximize the interval before the next shutdown. The 3HAC028861-003 is commonly ordered alongside the 3HAC026692-001 lower arm cover, which protects the axis-2 to axis-3 linkage from the same environmental hazards. For robots operating in high-spatter welding cells, the 3HAC044168-001 upper arm dress package is frequently replaced at the same time to restore the full cable protection system.

Facilities upgrading the controller from an IRC5 single-cabinet to an OmniCore C90XT often use the mechanical downtime to simultaneously replace the 3HAC050363-001 axis-3 gearbox oil seal kit, preventing oil migration onto the new cover surface. The DSQC1030 I/O module and DSQC688 fieldbus adapter installed in the IRC5 cabinet remain fully compatible with the IRB 6700 mechanical platform after the cover replacement, so no changes to the PROFINET or DeviceNet network topology are required.

For facilities that also operate ABB positioners or track motion units, the 3HAC028861-003 replacement can be coordinated with a broader preventive maintenance cycle that includes inspection of the IRBP-A250 positioner drive unit and the 3HAC16831-1 SMB (Serial Measurement Board) battery pack. Replacing the SMB battery during the same window ensures that axis resolver data is preserved throughout the cover swap, eliminating any risk of position data loss.

Retrofit Guidance FAQ

Q: Does replacing the 3HAC028861-003 body cover require robot recalibration?
A: No. The body cover is a purely mechanical protective component. It does not interface with any encoder, resolver, or axis measurement system. TCP settings and axis calibration data stored in the IRC5 or OmniCore controller are completely unaffected by the cover replacement.

Q: Is the cover compatible with both IRC5 and OmniCore-controlled IRB 6700 robots?
A: Yes. The 3HAC028861-003 is a mechanical part with no electrical interface. It is compatible with all controller generations used with the IRB 6700 and IRB 7600 series, including IRC5, IRC5 Compact, and OmniCore C90XT.

Q: Can this cover be installed without removing the robot from its mounting base?
A: In most configurations, yes. The cover can be replaced with the robot in its installed position, provided the axis-3 arm is positioned to allow access to the mounting fasteners. A typical installation requires approximately 45 to 90 minutes with standard metric tooling.

Q: Does the graphite finish require any post-installation treatment?
A: No. The graphite polymer surface is factory-finished and requires no painting, coating, or surface treatment after installation. It is compatible with standard industrial cleaning solvents used in automotive and general manufacturing environments.

Q: Will this cover fit IRB 7600 variants with different payload ratings?
A: The 3HAC028861-003 is designed to fit the IRB 7600 series across multiple payload variants, including the 500 kg, 340 kg, and 400 kg configurations. Please confirm your specific robot model number before ordering if you are unsure of the variant.

Warranty Assurance

Every ABB 3HAC028861-003 Graphite Body Cover shipped from TOPNLMS is backed by a 12-Month Warranty from the date of shipment. Prior to dispatch, each unit undergoes a dimensional inspection and visual quality check to verify conformance with OEM specifications, including surface finish integrity, mounting hole alignment, and absence of structural defects.

In the event of a confirmed quality defect within the warranty period, TOPNLMS provides direct replacement support with priority processing. Our after-sales response team is reachable via email and phone to coordinate replacement logistics, technical documentation, or customs clearance support for international shipments. We maintain bonded stock of high-demand ABB spare parts to minimize lead times for urgent replacement orders.

For procurement teams requiring documentation, we can provide packing lists, commercial invoices, and certificates of conformance upon request. Orders are typically processed and dispatched within 1–3 business days from our Xiamen warehouse, with DHL Express, FedEx International Priority, and sea freight options available depending on urgency and destination.

For volume orders, OEM project procurement, or MRO standing orders, please contact our sales team directly to discuss pricing, lead times, and consignment stock arrangements.