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1947 John Deere model A resto

2K views 2 replies 3 participants last post by  Wi11y 
#1 ·
Anyone know how these brakes come apart? It's a pain in the ass and the book doesn't help any
 

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#2 ·
Brake Removal

"Anyone know how these brakes come apart?"

Take a look at the BRAKES diagram below.

Auto part Diagram Technical drawing Drawing Line art


Note the cap screws (Key 19), nut (Key 21), lock washer (Key 22), stud (Key 23), and housing (Key 24).

Remove the two cap screws, then the nut and lock washer from the stud.

Note the brake drum (Key 1).

Grab the housing and brake drum with both hands and remove it from the main case.

Auto part Metal


Note the washer (Key 31), pinion (Key 32), washer (Key 33), nut (Key 34), and cotter pin (Key 35).

Auto part Tool accessory Machine tool


Remove the cotter pin, nut, washer, pinion, and washer.

Auto part Tool accessory Machine tool Locking hubs


Auto part Personal protective equipment Wheel Brass Gear


Note the shoes (Key 5) and adjusting screw (Key 15).

Bullet Metal Ammunition Copper Brass


Turn the adjusting screw clockwise to remove spring tension on the shoes.

Tool accessory Auto part


Locate a solid block of wood.

Note the brake shaft (Key 2)

While holding the brake drum on the edges, gently drop the brake shaft on the block of wood.

The housing will come loose and slide off freeing the brake drum and brake shaft.

Auto part Machine


Hope this helps.
 
#3 ·
Agreed.
Best way to service the boxer type engine brakes was to pull the whole thing. Granted I loosened the torque from the big nut in the center of the drum before removing the assembly.

Below is a movie from Steiners showing how it is done.
 
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