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Haldex, Northern tool hydraulic pump repair


This is a repair on a Haldex / Northern Tool 28 GPM dual stage hydraulic pump for a log splitter, the pump’s intake pipe was loose as well as one broken bolt from the factory, both likely adding to the suction leak and air ingestion. While I had it apart, I noticed the transition from the intake pipe to the first stage pump gears was rough, sharp edged and almost incomplete, as if the drill stopped 0.10 shy of its mark leaving a lot of flash and a hefty burr. Northern tool sells a lot of great items at affordable prices, this pump is pretty well known and distributed.

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