1948 - 1956 F1, F100 & Larger F-Series Trucks Discuss the Fat Fendered and Classic Ford Trucks

Power brake booster

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Old 12-03-2017, 10:01 AM
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Power brake booster


Er der nogen der kan hjælpe mig, jeg har bremsecylinderne som vist på billedet, cylinderen har 4 huller, som man skal bruge til forsiden, og som bagtil er der forskellige størrelser af hullerne 1-2 er største. Cylinderen er ny, og jeg tror, ​​det er fra halvtreds. Jeg har tromlebremser både for og bag.
Skal jeg sætte en af ​​de 1-2 ud, og kun bruge et af de 1-2 huller bagud. Og brug 3 og 4 en til hver af de forreste bremser.? Gummidimperne, der ligger oven på rammen på billedet, skal bruges mellem cylinderen og bremseforstærkeren.
 
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Old 12-03-2017, 10:06 AM
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Translation from Norwegian:

Is there anybody who can help me, I have the brake cylinders as shown in the picture, the cylinder has 4 holes that you have to use for the front and, as behind, there are different sizes of holes 1-2 being greatest. The cylinder is new and I think it's from fifty. I have drum brakes both front and rear.
Should I put one of the 1-2, and use only one of the 1-2 holes in the back. And use 3 and 4 one for each of the front brakes.? The rubber jaws that lie on top of the frame on the image must be used between the cylinder and the brake amplifier.
 
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Old 12-03-2017, 10:09 AM
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I did not use this booster and I’m not sure what the various holes are for - If anyone can help there are some easy Google translation tools we can use to respond.
 
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Old 12-03-2017, 10:23 AM
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Sorry i again
Is there anyone who can help me.
I have the brake cylinders as shown in the picture, the cylinder has 4 holes there are different sites of hole 1-2 is the biggest. The cylinder is new and I think it's from fifty. I have drum brakes both front and rear. Should I put one of the 1-2, and use only one of the 1-2 holes for the back. And use 3 and 4, one for each of the front brakes.?
The rubber jaws that lie on top of the frame on the picture must be used between the cylinder and the brake booster.
 
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Old 12-03-2017, 11:59 AM
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Looks to me like a four-port GM master cylinder. Don't know if they were used on Fords or not.
https://www.ebay.com/i/162601447494?chn=ps

This might be his complete setup.
https://www.ebay.com/itm/7-Single-Br....c100677.m4598
 
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Old 12-03-2017, 12:11 PM
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brake booster MC

Greetings,
I have a similar master cylinder in my Ford F-1. You only need to use two of the holes in your master cylinder. In your case it would be the two on the right side (those shown in the photo). The two on the other side are to be plugged.
One of the holes is for the rear brake lines and the other for the front but I am not sure which is which.
Hope this helps a little.
 
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Old 12-03-2017, 03:57 PM
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That looks like a CPP master cylinder. The ports that are farthest from the mounting tabs (marked 3-4) should be the front brakes and the larger back ports nearest the mounting flange (marked 1-2) go to the rear brakes. I would be interested in knowing how these work for you with what looks like a 7" dual diaphragm booster. I am using a master cylinder just like you have ( with a 1 1/8" bore) but with a 8" single diaphragm booster and my brakes are very touchy.
 
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Old 12-03-2017, 11:32 PM
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Cougar
du i have to plug one of 1-2 and use one of Them for the back, and use 3-4 one hole for front left and one for the right?
Maybe you Can poste a picture of your Master cylinder?
sorry but do you mean obout touchy
 
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Old 12-04-2017, 09:08 AM
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Originally Posted by Pladsmand
Cougar
du i have to plug one of 1-2 and use one of Them for the back, and use 3-4 one hole for front left and one for the right?
Maybe you Can poste a picture of your Master cylinder?
sorry but do you mean obout touchy
Yes, you need to plug one of the 1-2 holes. I does not make any difference which one. Use the port that works best for your brake line setup and then plug the other side. The 3-4 port for the front can be used the same way as the rear. You can use just one port if you have a tee installed downstream (either one will work) or you can use the master cylinder as your tee and run one to the left and one to the right side lines. My front brakes are setup with a tee downstream so I am only using one of the 3-4 ports.

"Touchy" means that the brakes engage very fast with not much pedal pressure and smooth slow stops are not so easy.

Here are the connections.



Here is my front brake tee

 
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Old 12-04-2017, 09:13 AM
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What are the 2 red cylinders doing?
 
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Old 12-04-2017, 09:27 AM
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Originally Posted by Pladsmand
What are the 2 red cylinders doing?
Those are residual check valves which are required when the master cylinder is located on the frame below the height of the wheel cylinders (or calipers if using disc brakes). They hold a small amount of pressure in the lines to keep the drum return springs (in the case of drum brakes) from pushing all the fluid back into the master. This keeps you from having very long brake pedal travel every time you stop. The red cylinders are 10 pound check valves which are needed on drum brakes and there are blue cylinders available which are only 2 pounds which are used for calipers on disc brakes. Some master cylinders have this check valve built into the master but the CPP cylinders do not.
 
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Old 12-04-2017, 11:31 AM
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I thank you many times for the fine answer as well as the patience, on the picture I have put the rubber hat on the frame, is it meant that it should be between the master cylinder and the booster or should it just be thrown away
 
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Old 12-04-2017, 11:54 AM
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What is a transmitter fitted with wires that sits slightly from the tube to the rear brakes
 
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Old 12-04-2017, 12:43 PM
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Originally Posted by Pladsmand
I thank you many times for the fine answer as well as the patience, on the picture I have put the rubber hat on the frame, is it meant that it should be between the master cylinder and the booster or should it just be thrown away
That rubber piece may be the seal between the booster pin and the booster. I have never seen one removed. If you have a rubber seal that you can see in the booster pin area when you remove the master, I would throw that seal away as it may be for a manual brake setup.


Originally Posted by Pladsmand
What is a transmitter fitted with wires that sits slightly from the tube to the rear brakes
Brake light switch.
 
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