N.J. Admin. Code § 13:20-31.11

Current through Register Vol. 56, No. 24, December 18, 2024

Section 13:20-31.11 - Suspension

(a) The following are the out-of-service criteria pertaining to axle parts/members:

1. Any U-bolt or other spring-to-axle clamp bolt is cracked, broken, loose, missing, or not secured by nut(s); or

2. Any spring hanger or other axle-positioning part is cracked, broken, loose, or missing, and results in the shifting of an axle from its normal position.

(b) The following are the out-of-service criteria pertaining to the spring assembly:

1. One-fourth or more of the leaves in any spring assembly are broken;

2. Any leaf or portion of any leaf in any spring assembly is missing or separated;

3. Any broken main leaf in a leaf spring. For purposes of this out-of-service criterion:

i. Any leaf of a leaf spring assembly is a main leaf if it extends, at both ends, to or beyond any of (b)3i(1) through (3) below. In addition, any leaf of a helper spring assembly is a helper main leaf if it extends, at both ends, to or beyond the load-bearing surface of its contact pad, hanger, or equalizer.

(1) The load-bearing surface of a spring hanger or equalizer;

(2) The spring and cap or insulator box mounted on the axle;

(3) A spring eye.

ii. The radius rod leaf, in springs having such a leaf, shall be treated like the torque, radius, or tracking components set forth in subsection (c) below for purposes of out-of-service;

4. A broken coil spring;

5. One or more leaves displaced in a manner that could result in contact with a tire, rim, brake drum, or frame;

6. Broken torsion bar spring in torsion bar suspension;

7. Deflated air suspension resulting from system failure or leak;

8. Excessive wear of any spring saddle;

9. Any spring not aligned by a centering pin; or

10. Any worn (beyond the original manufacturer's specifications) or improperly assembled U-bolt, shock, king pin, ball joint, strut, air bag, or positioning component.

(c) The following is the out-of-service criterion pertaining to torque, radius, or tracking components:

1. Any part of a torque, radius, or tracking component assembly or any part used for attaching same to the vehicle frame or axle, including spring leaves used as a radius or torque rod, is cracked, loose, broken, or missing, or missing bushings in torque or track rods.

N.J. Admin. Code § 13:20-31.11