How does Ford Model A brake work?
How does Ford Model A brake work?
On the 1930 Model A the brake system was mechanically actuated. When the driver stepped on the brake pedal that force was transmitted through a series of rods and levers, all the way to the brake operating wedge. The brake operating wedge pushes down against rollers that are mounted to the bottom of the brake shoes.
How do self-adjusting brakes adjust themselves?
Forward Self-Adjusting Brakes have a mechanism that automatically adjusts the brake shoes during every forward stop. A cable attached to the front brake shoe wraps around a pulley on the rear brake shoe.
How are hydraulic brakes adjusted on a 39 Ford?
The 39-42 style with the bottom adjustable anchors take a very specific adjusting sequence for proper operation. And if your drums are over .040 OS and the shoes were not arced to the drum even with the correct adjustment you likely will have a spongy pedal until the shoes get seated.
How big are the brake drums on a 1932 Ford?
All 1932-35 Ford wire spoke wheels matched a cast support and locator tab on the brake drum casting, just radially inboard of the lug stud. This is important for wheel location and support on the original drums. 1931 cast drums are 11 inch cast with a single rib on the outside diameter. They have five 1/2-20 studs on a 5-1/2 inch bolt circle.
What kind of wheels did a Ford brake drum use?
For reference, 1936-39 used 16 inch welded steel wheels with five mounting holes on a 10-1/4 inch bolt circle. This is often called a ‘wide five’ wheel. All 1932-35 Ford wire spoke wheels matched a cast support and locator tab on the brake drum casting, just radially inboard of the lug stud.
How do you adjust brakes on a hot rod?
You’re on the right track having them all loose. Adjust the bottoms first till they just start to resist then back off just a hair. Then adjust the tops until they do the same…You’re done, further adjustments as brakes wear will be just the tops. What you have are excellent front brakes for a light hot rod.
All 1932-35 Ford wire spoke wheels matched a cast support and locator tab on the brake drum casting, just radially inboard of the lug stud. This is important for wheel location and support on the original drums. 1931 cast drums are 11 inch cast with a single rib on the outside diameter. They have five 1/2-20 studs on a 5-1/2 inch bolt circle.
How do I adjust 37 Ford mechanical brakes?
That is the basic adjustment. You can pull the front drums easily to check the condition of everything but the rears you will need a good puller like a Wilson hub puller as the rears are torqued on to 200 ft/lbs. It would be a good time to check that there is a least 150#s is torque on the the rear axle nuts.
How big are the hydraulic brakes on a 1937 Ford?
They have five 1/2-20 studs on a 10-1/4 inch bolt circle and are the only drums which can directly interchange between mechanical and hydraulic brakes on 1937-39. 1940-41 drumsare 12 inch diameter with the five 1/2-20 studs on 5-1/2 inch bolt circle and had the hub mounted inside the drum.
What’s the problem with Ford’s 37-38 mechanical brakes?
The problem is with the rear drums. It sounds like you are talking about the front drums? Ford mechanical brakes got a bad rap because people judged the performance of brakes that were worn out or out of adjustment. The ’37-’38 mechanicals in good condition and correctly adjusted will stop you as quickly as the early hydraulics.
