N.H. Code Admin. R. Saf-C 3227.04
Trailer or Semi-Trailer Parking Brake (Air Brakes Only)
Effective Jan 6, 2016(See Revision Notes at Chapter Heading Saf-C 3200) #8915, eff 6-22-07, EXPIRED: 6-22-15 New. #10886, INTERIM, eff 7-16-15, EXPIRES: 1-12-16; ss by #11016, eff 1-6-16Commissioner, Department of Safety
(a) A trailer with air brakes shall be rejected if:
- (1) The trailer brakes do not fully apply and release when the driver control is operated;
- (2) The trailer brakes do not automatically apply when the air pressure is 45 psi or less;
- (3) The trailer brakes automatically apply when the air pressure is in excess of 45 psi;
- (4) The trailer brakes do not automatically apply when the connecting hoses of the trailer are disconnected; or
- (5) There is detectable leakage back through the trailer when the connecting hoses of the trailer are disconnected.
- (b) A vehicle with heavy duty air-activated disc brakes shall be rejected if the slack adjustment or air chamber stroke does not fall within the manufacturer's recommended tolerance.
Source. (See Revision Notes at Chapter Heading Saf-C 3200) #8915, eff 6-22-07, EXPIRED: 6-22-15 New. #10886, INTERIM, eff 7-16-15, EXPIRES: 1-12-16; ss by #11016, eff 1-6-16