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AC 160 Lift Quit Working

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Larry Noles

08-09-2003 07:42:25

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I have a 1970 AC 160. Recently, the lift started lifting on it's own while I was bush-hogging. The only way to get it down was to shut the tractor down for a while. Now, It is down and won't raise at all. I am not sure how to check the level of hydraulic fluid. If the fluid level is right, what could be the problem?

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08-11-2003 22:21:30

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 Re: AC 160 Lift Quit Working in reply to Larry Noles, 08-09-2003 07:42:25  
Larry, My 160 hydraulics quit working last weekend . It had been parked facing up hill for about two weeks. Found that the pump had lost prime. Took the allen socket plug out of the pump. Used a hose and funnel to fill the pump with oil a couple times. Then started it with the plug out. Shot oil all over but I was happy to see it pump! Not sure what to say about the not coming down part. How do you have your traction booster lever set. I know it affects the lift range. Good luck!

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Dave (NE)

08-11-2003 14:18:11

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 Re: AC 160 Lift Quit Working in reply to Larry Noles, 08-09-2003 07:42:25  
Larry, I had a similar thing happen with my 160. It wouldn't raise with the dirt bucket on it. I drug the bucket about a quarter of a mile with it full of dirt, tried again, and it went up. Has worked since. Don't know what the problem was, but keep expecting it to happen again and then will have to fix something. You can check the fluid with the plug on the right side under the transmission area. If fluid comes out or you can feel it, you have enough. If not, add some. If you need a better description of where the plug is, etc., let me know. Also, let me know when you get it figured out. Dave

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Larry Noles

08-12-2003 15:44:20

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 Re: Re: AC 160 Lift Quit Working in reply to Dave (NE), 08-11-2003 14:18:11  
Dave, I put another 3 gallons of fluid in and it finally started working. It still raised on it's own a couple times, but, I was able to get a field bush-hogged. Can you give me a good description of the plug where I check the level? Is it a bolt, about 1 1/2 inches long with a horizontal line embossed on the casing beside it? If so, I never did see fluid come out there when I was adding.

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Dave (NE)

08-13-2003 06:33:01

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 Re: Re: Re: AC 160 Lift Quit Working in reply to Larry Noles, 08-12-2003 15:44:20  
Larry, the plug is below the foot rest on the right side. It is about a 7/16" square size head on the plug. Just remove the plug, and if fluid comes out it is full enough. As this is for the hydraulics, transmission, pto, etc. it takes quite a bit of fluid. Around 7 1/4 gallons, I believe. I can look it up in the manual if you need additional information. Dave

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