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CASE VAC14 MOTOR STUCK

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FRANKO

11-08-2002 17:57:00




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Just got my first tractor it is a 1954 motor is froze up last known it turned was a year ago going to put M/M OIL in the cylinders let it sit a while I would appreciate any suggestions of what to try from there I am new but I am trying FRANKO




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C. Amick

11-11-2002 09:36:22




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 Re: CASE VAC14 MOTOR STUCK in reply to FRANKO, 11-08-2002 17:57:00  
Make sure the valves are not stuck before you try turning the engine over or else you will bend the push rods.



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SAm in NS

11-09-2002 13:05:48




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 Re: CASE VAC14 MOTOR STUCK in reply to FRANKO, 11-08-2002 17:57:00  
I like the method of putting some oil in the cylinders and trying to rock a rear wheel back and forth in high gear. If the engine turned over a year ago then it is probably not stuck very hard. I think you should check to make sure the valves are free because if they aren't and the engine comes loose you could bend a pushrod or worse. If this works you should probably take the head and pan off the engine to determine its condition. Hope this helps. SAm in NS

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John

11-09-2002 07:53:32




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 Re: CASE VAC14 MOTOR STUCK in reply to FRANKO, 11-08-2002 17:57:00  
I did one a little differently once. Had an old truck that was stuck. I put a bottle jack under the hand crank on the front. I jacked it up so that the front tires were about 4 inches off the ground and then filled the cylinders with Marvel Mystery oil. I finished a couple other projects and would look at the truck every few days. It took about 3 weeks, but I came out one day and the tires were back on the ground. The motor was then free enough that I could work it with the hand crank. If you are patient this works well.

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pmtoolbox

11-09-2002 04:37:55




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 Re: CASE VAC14 MOTOR STUCK in reply to FRANKO, 11-08-2002 17:57:00  
I disagree with lew. I just did one of these that was stuck. best solution is to dismantle the motor. It may not be necewssary to pull the crank but remove the head and base pan remove the rod caps, note the location and instalation of them. put rubber hose over the rod bolts to protect the crank. tap top of pistons and bottom of rods up. doing it this way limits the bind to only the pistons. have seen one that was forced and damage resulted in bent push rodsand connecting rods. did the disasemble on mine to free it up and it was stuck for many years. I have a 54 vac 14. contact me if you need help. S....

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Joe V

02-04-2003 18:33:28




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 Re: Re: CASE VAC14 MOTOR STUCK in reply to pmtoolbox, 11-09-2002 04:37:55  
I have a case vac that the motor is stuck, i just put some bolt losener and some motor oil into the spark plugs, i just got the tractor, so i really dont know too much about, except it ran when parked, and that was like a year ago or so.
Whats the bes and fastest way to go on getting it un stuck?



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Lew

11-08-2002 21:55:39




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 Re: CASE VAC14 MOTOR STUCK in reply to FRANKO, 11-08-2002 17:57:00  
Here is a trick taught to me by an old mechanic. To deliver torque to the crankshaft, you jack up one rear wheel just clear of the floor, securely block the other rear wheel both in front and back, put tranny in top gear and try turning jacked up wheel both clockwise and counter-clockwise. Of course all the spark plugs are removed. This technique is somewhat safer than dragging it around the area with a tow vehicle. Good luck

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mj

11-09-2002 12:17:12




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 Re: Re: CASE VAC14 MOTOR STUCK in reply to Lew, 11-08-2002 21:55:39  
I had a stuck VAC and used WD-40 through the sparkplug holes but with a twist. I made an adapter from an old sparkplug and compressed air fitting so I could pressurize the cylinders (had to pull the rocker arm so that all the valves were closed) to speed up the WD-40. I'd give each plug hole a shot of the WD and then put 100psi of air to it for a minute or so, several times a day. On the third day she turned over, under the air pressure. I've since thought that the next time I need to free up an engine I'll invest the time to make an adapter with a valve for each cylinder so I can keep the pressure on the cylinders without the air compressor being hooked to them. This would also give the ability to periodically pressurize any individual cylinder while the remaining three were left open so the engine would be free to turn if it could.

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