Line boring & Bore welding D10 Dozer Equalizer Bar | Sir Meccanica WS2

In this video we have a job to repair a Caterpillar D10 bulldozer equalizer bar. The ends of the equalizer bar are worn out and damaged so we are welding them up and boring them out to bring them back to size for the new seals and spherical bearings. We are using our Sir Meccanica WS2 portable in-line boring and bore welding machine. First we need to drill out the grease holes which proves to be harder than we first thought. We then get into setting up the line boring machine before boring out the damaged eye material. We then use the Sir Meccanica machine for bore welding to build up new material and then bore out the surfaces to suit the new seals and bearings. We also need to cut the snap rings using our shop made snap ring cutter. Once the equalizer bar ends are all new again and cleaned up we get into fitting the components. We use liquid nitrogen to cryo freeze shrink fit the new spherical bearings into the ends and then use our hydraulic press for pressing in the fibre bush into the centre. Job done and another happy customer!

In this video we are using:
- Sir Meccanica WS2 Portable machine
- WIA 500i Weldmatic welder
- HMP-150T 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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