VCCA Home Forums TECHNICAL - 1945 AND EARLIER 1933-1936 1934 Master Jack

As mentioned by Gene in the previous thread about the 1933 jack, here is the information that he sent me regarding the 1934 Master jack. Hope this helps.

As you can se the 1934 Master jack extends much farther than any other screw jack. There is an inner and outer screw. The body of the jack is heavy cast iron. The green color is original and corrrect.

Is that the same for the 35?

That jack came with the 1934 Master only . Due to the knee-action it required a jack the lifted the front end very high to get the wheel off the ground.

May be my imagination but the Jack in the picture does not look like the Jack in the 34 Service News.

Here is a picture of my 34 Jack. It is not like the one in the picture but is the same as the one in the Service News. Were there two variations of the Jack? However, my Jack does not fully extend. I've sprayed with Pen. Oil but still does not extend. Any suggestions?

Jon, the jack for my '34 is identical to yours, also the same as the service news photo. roughly 8" high and 20" at full extension. Also a little scary at that height, I always carry a heavier Walker hydraulic jack and a wood block in my car.

The parts book lists two different handle for the 1934 Master jack. One with a square end and one with a hook end.

That 20" full extended looks really scary. I do not know why mine won't extend though. So what's the Jack in the picture posted?

By luck I have a picture oy my jack handle and it has the hook end.

I would doubt a single stage threaded jack would extend from 8" to 20", a 2 stage may but a 3 stage definitely would. I would trust a under axle jack long before a bumper or body side jack.
Tony

This is a two stage Jack.

The jack in Jons picture I believe stands about 5" in the base and extends to 12 and a half inches over all. This would not be the jack for a 1934 Master.
I wonder if it may be a jack for a 1936 Standard as I am fairly sure the jack used for the 1935 Standard is an AS 51 and is app. 8" tall extending to 11 and a half inches.
The base of both jacks is identical so there is no doubt they are both of the same maker.

The Jack is about 8" tall and extends to over 14" in first stage. It is a Jack for 34 Master as two other owners have confirmed and they have the identical Jack.

If the jack is frozen due to rust you might try soaking in Evapo-Rust.

I'll try that. Seems to turn fine until it gets to second stage.

I guess the angle of the photo threw me. The one I have appears to be of identical construction but is obviously a smaller version. I still wonder if it may be for a 1936 Standard.

The 1936 Standard came with an early version of a bumper jack

There's one of the smaller version ones on e-bay right now.

Jon, have you tried holding the jack securely by the base and turning the top pad hard clockwise?

I have and it seems very tight. Much tighter than rust would be. When it stops, it stops.

I soaked the Jack in Panther P--- overnight and it now extends, what a scary sight. Wouldn't want to be underneath it when the car was in the air.

Ha! That's right Jon, it does get wobbly, scary with the knee-actions in front and possibly dual sidemount wheels!!!

The jack in my 34 Master appears to be the same as in the pictures and extends to 20". As I mentioned in the 33 auto jack post, I have no reason to believe it is not original as are all of the other tools that are still with the car. Could there have been a mid year change because of how flimsy the jack is? I wonder what the date on the Chevrolet Service News bulletin is? Notice the figures in the bulletin appear to show two different jacks. The date on the frame of my car is 2/28/34.

That Service Bulletin is dated March of 34. Looks like you're right. I think there is two different Jacks shown.