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PROTOTYPE AND MODEL INFO
This is an HO scale model of a Royal Type F “Brake Regulator,” perhaps better known as a slack adjuster. This device was mounted underneath railroad freight cars of the mid-20th Century and was integrated into the brake rigging to allow maintenance personal to insure that the brake system was taught. This HO part, with its open, see-through design, adds extra flair to a well-detailed underbody and is the perfect piece to complete that unique freight car super-detailing project! You can also use it to replace the brake regulator included on Kadee HO scale PS-1 boxcars-- our version is much better.
Four brake regulators are included per package.
To install this part on your car following prototype practice, you will likely need to extend the length of one of the brake levers beneath your car. This can be done by taking a small piece of HO scale 2"x3" styrene stock and gluing it to the end of the brake lever farthest from the brake cylinder. Next, insert this extended lever through the gap near the end of the slack adjuster and then glue the slack adjuster to the bottom of the freight car’s center sill using the built-in brackets. Make sure that the long handle of the slack adjuster is pointing towards the A end (the end without the brake wheel) of the car. See the HO scale model underbody photo above.
Alternately, if your car doesn’t have separate brake rigging components, you can simply use the molded-on brackets to glue the slack adjuster to the bottom of the center sill between the triple valve and brake reservoir. The effect will still be impressive!