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oil pump spacer industrial engine

November 3, 2017 | Research & Identification

any info on spacer that turns oil pump gear 90 degrees from cam

4 Comments

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Ted E Sauerman
November 03, 2017 at 2:43 PM
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Munetake Ishida
March 14, 2018 at 4:28 PM
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William A. Sargent
May 10, 2018 at 9:47 AM
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William A. Sargent
May 10, 2018 at 9:57 AM
The spacer is a disc that fits in the end of the cam shaft with a raised ridge that goes into the oil pump drive slot on the cam. On the other side of the disc, at 90 degrees to the ridge on the other side, is a slot that the tang on the oil pump gear shaft fits into. The oil pump gear shaft must be shortened to use this part. The part was introduced on industrial motors so that the tang on the oil pump drive gear did not wear the slot on the cam. The wear was instead on the disc, which could be replaced by removing the 3rd piece and did not require disassembly of the entire motor. Mike Smith with PRS in the UK has reproduced the disc and sells the disc with a shortened oil pump drive shaft. I will create a post on the talk forum with photos.
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Ted E Sauerman
August 12, 2018 at 3:50 PM
thanks for the info. do you think it would be ok for street use?