Repairing WORN OUT Planetary Carrier for Cat 740 Truck | Making Custom Boring Bar

We're tackling a worn-out planetary carrier from a Caterpillar 740 Articulated haul truck's diff final drive. The challenge? The damaged gear thrust faces are located within a hard-to-reach location on the carrier housing, making them difficult to repair with conventional tools. So that means we need to make a custom boring bar specifically designed to access those tricky areas with our milling and facing head. In this video, we'll walk you through the entire process, from machining the boring bar on the lathe to the precise milling work required on the planetary carrier itself!

In this video we are using:
Hafco TM-1740G Centre Lathe
Hafco BM-63VE Milling machine

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We're a down-to-earth real life machining and fabrication workshop in Australia. We specialise in helping business in mining and earthmoving to keep their machines running smoothly. We love working on broken parts and the bigger the better! We upload new videos every week showcasing machining, welding, line boring, honing and all the other awesome stuff that goes down in our workshop. Learn how we tackle different projects and see the satisfaction of creating something useful. Subscribe to stay updated on our latest jobs and projects! Follow us on Patreon for even more content and behind-the-scenes glimpses or find us on Tiktok, Facebook and Instagram for a chance to connect with us.

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