N.H. Admin. Code § Saf-C 3226.25

Current through Register No. 50, December 12, 2024

Section Saf-C 3226.25 - Brake Drum/Disc-Measurements

A vehicle shall be rejected if:

(a) The inside diameter of the brake drum is greater than the maximum diameter stamped on the drum or manufacturer's specifications;

(b) The maximum diameter is 0.090 inches greater than the original drum diameter, for 14 1/8 inch and smaller unmarked drums;

(c) The maximum diameter is 0.120 inches greater than the original drum diameter, for unmarked drums over 14 1/8 inch; or

(d) Any brake drum or disc:

(1) Shows evidence of mechanical damage other than wear;

(2) Has contaminants including but not limited to: rust, pitting, delamination, oil, grease, or any other substance that would affect proper brake operation;

(3) Has cracks on the friction surface extending to the open edge or on the outside of the drum, particularly at the drum mounting area;

(4) Has a broken disc;

(5) Has cracks on the friction surface extending to the open edge on a disc;

(6) Has defective grease retainers;

(7) Is worn beyond the manufacturer's specifications; or

(8) Has thickness less than the minimum which is stamped on the assembly.

N.H. Admin. Code § Saf-C 3226.25

(See Revision Notes at chapter heading Saf-C 3200) #8915, eff 6-22-07

Amended by Volume XXXVI Number 06, Filed February 11, 2016, Proposed by #11016, Effective 1/6/2016, Expires 1/6/2026.