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Karl WilliamsAug 10, 2025
Why is my Jet Construction Equipment hydraulic unit not lifting?
- JjustinrussellAug 10, 2025
If the hydraulic unit isn't lifting, and the Pipe Bender isn't working, it could be due to several reasons. First, ensure there is no oil leakage and that the oil level is full. Second, there might be air in the pump; try pumping the handle repeatedly until the ram piston stops lifting, then tilt the pump housing to about 45 degrees and loosen the release valve to allow trapped air to escape. A worn UN-Ring in the ram cylinder could also be the cause, in which case you should replace the UN-Ring (Parts List Item 39). Finally, check if the steel ball (Parts List Item 43) touching the release valve (Parts List Item 50) fell off; if so, tighten the release valve clockwise.
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