Problem of synchronizing vacuum powered brakes on tractor-trailer combinations, where appreciable time lag in application of trailer brakes is encountered, and procedure for locating cause discussed; usual remedy is installation of faster type trailer relay valve with suitably larger connections to power chamber. (See also Brake Service v 16 n 2 Feb 1946 p 19-20, 22)
How to improve slow trailer brakes
Motor Service
1946
Article (Journal)
English
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