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Heavy Equipment Forums: Heavy Equipment Forums

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Hi, Im a new member and haven't been able to find anything related to a problem I've got with er21 and er31 cycling as soon as I turn key to accessories. The battery icon and ppv valve icon accompany these errors as well. I believe its and under voltage issue but I've checked voltage feeding v-ecu and its stable at 24.2v and 27.2 once started. Resistance on ppv is 17.5ohms.

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I have a cat 289c and I have a leak on the side of the injection pump. There is a small hose that goes to a cylindrical looking piece with a spring it almost smells like anti freeze any suggestions

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Is there any way I can get the hydraulic swivel out to have the seals changed without having to drop the whole unit from the Grove RT650E Crane? If it could be pulled out of the case without having to remove all those hoses, i.e. lifting out of the case. That would be great. Im trying to find the shortest way to get the job done.

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Currently going up at lots of auctions all over this state there are what seems like tens of thousands of lengths of this used "drill pipe" all up for sale.

They are mostly 9.5m long seamless tube, a taper thread each end and a coupling. They seem to be in three sizes.

2 3/8"
2 7/8"
3 1/2"

The 2 7/8" size is the most prevalent with the 3 1/2" t...

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Recently I visited the Old Komatsu HQ in Komatsu City Japan where they have a little museum and some old books and articles about the history of Komatsu. I was most interested in reading about their relationship and development of the Komatsu Shantui joint venture. We had been importing Shantui parts that cross referenced directly to Komatsu parts by the sea can for our Komatsu ...

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