Yesterday's Tractor Co. Shop Now
   Allis Chalmers Case Farmall IH Ford 8N,9N,2N Ford
   Ferguson John Deere Massey Ferguson Minn. Moline Oliver
Classified Ads
Photo Ads
Tractor Parts

Discussion Forums
Project Journals
Tractor Town
Your Stories
Show & Pull Guide
Events Calendar
Hauling Schedule

Tractor Photos
Implement Photos
Vintage Photos
Help Identify
Parts & Pieces
Stuck & Troubled
Vintage Ads
Community Album
Photo Ad Archives

Research & Info
Tractor Registry
Tip of the Day
Safety Cartoons
Tractor Values
Serial Numbers
Tune-Up Guide
Paint Codes
List Prices
Production Nbrs
Tune-Up Specs
Torque Values
3-Point Specs

Tractor Games
Just For Kids
Virtual Show
Museum Guide
Memorial Page
Feedback Form

Yesterday's Tractors Facebook Page

Related Sites
Tractor Shed
Ford 8N/9N Club
Today's Tractors
Garden Tractors
Classic Trucks
Kountry Life
Discussion Forum

Piston in Ajax floor jack doesn't retract - how to fix this?

Welcome Guest, Log in or Register
Author  [Modern View]

04-25-2012 16:24:37

Report to Moderator


I have an old Ajax jack (model 95632) It always worked great, but when I went to use it today I noticed that the piston was stuck all the way in. First I topped off the hydraulic oil, but that didn't do anything. It did take quite a bit of oil, but no evidence of leakage on the garage floor. I then removed the locking clip and took apart the spring assembly so that I could get at the piston.

The piston is really, really tight. I tried WD-40, some oil right into the cylinder, etc. You have to actually hammer the piston in and then you can get it to retract by hammering it the other way with a screwdriver - I thought if I do this a few times it would start to loosen up but no dice. Any thoughts on this? I've read about the need to sometimes replace the seals but I don't think this is the problem. If I close the valve and push the retracted piston in either with the handle or by hammering it in, the jack does go up and holds its position, then comes back down when opening the valve. So I'm thinking the problem is the piston itself. I've also read that if the piston IS indeed the problem, that there is not a whole lot that can be done. I'm not even sure if that piston unscrews from the rest of the jack - there is a big nut at the threads where it joins the body but it does not seem like it wants to turn.

Is there a way to fix this piston? I don't believe the seals are the problem since if I push the piston in with either the handle or by hand the jack does lift and maintains position, but the piston won't move back out unless forced to do so.


[Log in to Reply]   [No Email]

04-27-2012 05:05:07

Report to Moderator
 Re: Piston in Ajax floor jack doesn't retract - how to fix t in reply to three4rd, 04-25-2012 16:24:37  
This should get ya started...

Sometimes its not worth it your call... I have had them rebuilt and they only last a short time,,, I have one that I had rebuilt and it needs it again so when I get time will look into it myself... I had a old transmission jack rebuilt last year and had to have the cup custom built,,, I am into it for $300 on the rebuild but its the best trans jack I have ever used,,, Foolish but I really like it...

[Log in to Reply]  [No Email]

04-25-2012 21:02:29

Report to Moderator
 Re: Piston in Ajax floor jack doesn't retract - how to fix t in reply to three4rd, 04-25-2012 16:24:37  
So how does one remove the piston though??
This post was edited by three4rd at 21:02:57 04/25/12.

[Log in to Reply]  [No Email]

04-25-2012 16:37:53

Report to Moderator
 Re: Piston in Ajax floor jack doesn't retract - how to fix t in reply to Whatever, 04-25-2012 16:24:37  
Quoting Removed, click Modern View to see

Sounds like the cup took a dump. Going to have to pull the piston and take a look see.

[Log in to Reply]  [No Email]
[Options]  [Printer Friendly]  [Posting Help]  [Return to Forum]   [Log in to Reply]

Hop to:

Fast Shipping!  Most of our stocked parts ship within 24 hours (M-Th). Expedited shipping available, just call! Most prices for parts and manuals are below our competitors. Compare our super low shipping rates! We have the parts you need to repair your tractor. We are a company you can trust and have generous return policies. Shop Online Today or call our friendly sales staff toll free (800) 853-2651. [ About Us ]

Home  |  Forums

Copyright © 1997-2018 Yesterday's Tractor Co.

All Rights Reserved. Reproduction of any part of this website, including design and content, without written permission is strictly prohibited. Trade Marks and Trade Names contained and used in this Website are those of others, and are used in this Website in a descriptive sense to refer to the products of others. Use of this Web site constitutes acceptance of our User Agreement and Privacy Policy

TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. John Deere and its logos are the registered trademarks of the John Deere Corporation. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V.

Yesterday's Tractors - Antique Tractor Headquarters