The 9F Steam Locomotive Site


Brakes.

Sanders front.jpg (56615 bytes) View of the leading driving wheel brake hanger, brake crossbeam and brake block. The pony truck pivot arm can be seen to the left of the picture.

Also shown is the leading sander.

 

Middle steam brake cylinder.jpg (54732 bytes) The forward steam brake cylinder, which provides, via the crossbeams and rodding, braking power to the front two driving axles.

 

Turnbuckles.jpg (77749 bytes) View of the fireman's side brake adjusting turnbuckle, just behind the rear set of driving wheels. The turnbuckle, and associated shafts, is machined with a right-hand thread and a left-hand thread, so rotating the turnbuckle clockwise will pull both shafts together thus bringing the brake blocks closer to the wheel. The driver's side turnbuckle can be seen in the background. The locking nuts are approximately 4 inches across flats. 

These adjusters are for the brakes on the rear three sets of driving wheels, there is a separate steam brake cylinder, and adjusters, for the front two sets of driving wheels.

 

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