In this video we are line boring and bore welding to repair a Caterpillar 789 Dump Truck part. This is the rear strut suspensio rod on the dump truck and the bearing has destroyed the eye. We are using our Sir Meccanica WS2 portable inline boring and bore welding machine. First we need to grind out as much of the bearing material that is in the eye before setting up and tack welding on the bearing mounts for positioning the line boring machine. We need to line bore out the eye material before bore welding to build up new material and then boring out to spec. The eye is then ready for facing, cutting the chamfers and snap ring grooves before drilling in the holes for the grease port. The job is completed by cleaning up the eye surfaces and press fitting the new bearing into the eye using our hydraulic press.

In this video we are using:
Sir Meccanica WS2 Portable line boring machine
WIA 500i Weldmatic welder
HMP150T Hydraulic press

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Our channel is all about showing you real life machining work from our workshop on the Gold Coast Australia. We specialize in manual machining, hydraulic repairs and heavy fabrication for the earth moving, mining and civil construction industries. So if you're a machinist that wants to see some big gear in action be sure to subscribe to our channel right now. We upload new videos every week that show lathe machining, milling, welding and all the good stuff that comes from a machining workshop. If that sounds like something that you would enjoy seeing, then make sure to join us by subscribing!

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