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Messages - Dumperjim

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Engines / Re: Help with Petter PH1
« on: November 14, 2021, 12:18:58 PM »
Hereís the engine plate. I think I read on another forum that the initial 15 may be a year reference for 1965. Does anyone know?

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Engines / Re: Help with Petter PH1
« on: November 13, 2021, 08:01:45 AM »
Thanks Cobbadog. Thatís very helpful

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Engines / Help with Petter PH1
« on: November 12, 2021, 10:46:09 PM »
Hi and thanks for letting me join the forum. Iíve recently bought an old Thwaites dumper which I think is a nimbus model from the 1960s.Itís powered by a Petter PH1 engine and Iíd appreciate some help with maintaining the engine. Itís a runner and starts fairly easily on the handcrank. Iíve no idea how regularly it was maintained before. My questions are, how old is the engine Ė serial number 151188 , and apart from changing the filters and engine oil (plus gearbox and diff) is there anything else I should do to assess or maintain the engine. Finally, Iím in the UK, whatís the best type of engine oil to use? Thanks Jim


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