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Hydraulic pump

I have just changed the hydraulic pump that goes into the transmission under the left side foot well. All functions are very slow until you give it gas. Also screeching noise coming from transmission when tilt and sideshift are operated. Any ideas?
Thanks
  • Posted 21 Apr 2016 01:47
  • By dan_r
  • joined 21 Apr'16 - 32 messages
  • West yorkshire, United Kingdom
DMR
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Showing items 1 - 3 of 3 results.
It sounds like there is a problem internal to the transmission. A gear pump has fixed displacement, so each revolution displaces the same volume of oil. If the displacement is low there must be something slipping in the pump drive.
  • Posted 21 Apr 2016 06:13
  • By BREWSKI
  • joined 10 Jan'12 - 1,699 messages
  • Nebraska, United States
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No power steering or hydraulics. Damage to drives in pump when i took the pump apart
  • Posted 21 Apr 2016 05:03
  • By dan_r
  • joined 21 Apr'16 - 32 messages
  • West yorkshire, United Kingdom
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What was the problem with the original pump?
  • Posted 21 Apr 2016 04:38
  • By BREWSKI
  • joined 10 Jan'12 - 1,699 messages
  • Nebraska, United States
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edition #1258 - 27 November 2025
In this week’s Forkliftaction News , we report on Hyster-Yale laying off staff in the US amid what it describes as “challenging market conditions”... Continue reading
Fact of the week
According to studies published in the English Journal of Medicine, the impact of daylight savings is revealed by a 24% increase in heart attacks on the Monday following the spring shift forward. When clocks move back in autumn, heart attacks drop by about 21%, suggesting that loss of sleep is an important driver.