Restoring BIG Excavator Arm & Bucket! | PART 2 | Making & Installing Thrust Plates

We’re completing restoring the thrust faces of the big ZX690 Excavator stick and bucket! Part 1 was all about machining down the worn thrust faces with the WS2 Plus, now we’re tackling making and installing new thrust places. We start with flame cutting the high tensile steel to a rough profile, then it’s on to our lathe to machine the plates to exact dimensions. We can't forget about the O-ring, so we'll also machine a recess for it to sit securely. Next up are the replacement bushings for the bucket. We need to machine them to the right size before giving them a special cryogenic treatment – a fancy way of saying a dip in liquid nitrogen to ensure a snug fit when we install them in the bucket. ❄️ Finally, the moment of truth! We'll carefully fit and weld the new thrust plates onto the excavator attachment, giving it a new lease on life. This video showcases the meticulous work that goes into a successful repair. It's all about the details that get these machines back in action!

In this video we are using:
- Hafco TM-1740G Lathe
- Hafco TM-26120G Lathe
- WIA 500i Weldmatic welder

MISSED PART 1?? Watch it here: https://youtu.be/21hB0GlNhIc

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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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