Regulations of Connecticut State Agencies
Any of the following combination of defects shall be considered an out-of-service condition:
(a) Air brake system.
(1) Two (2) brakes less than ¼ inch or more beyond the readjustment limit also equal one (1) defective brake. Example: Two (2) type 30 chamber pushrods measured at 2 ⅛ inches would equal one defective brake. See Brake Adjustment Diagram Nos. 5 and 6 for readjustment limits.
(2) Two (2) or more linings with a thickness less than ¼ inch at the shoe center for drum brakes or less than ⅛ inch for disc brakes.
(b) Mismatch across a motor vehicle steering axle, full trailer or dolly of:
(1) One (1) air chamber size;
(2) One (1) slack adjuster length; or
(3) One (1) retracted push-rod length differs by more than ½ inch from opposite push-rod length. See Diagram No. 2.
(c) Hydraulic brake system. Two or more linings with a thickness 1/16″ or less at the center for drum brakes and 1/32″ or less for disc brake linings/pads.
(d) Electric brake system.
(1) Electric brakes with two or more linings with a thickness 1/16″ or less at the shoe center for drum brakes.
(2) Electric brake system with absence of braking action on 20% or more of the wheels.
(Effective February 24, 1989)