204-76-070 - Hydraulic brakes
204-76-070. Hydraulic brakes
Hydraulic brake systems are subject to the following requirements and limitations:
(1) Supply system.
(a) Hydraulic fluid must be maintained in excess of 50 percent of the brake master cylinder capacity.
(b) The hydraulic system must pass the following test procedures:
(i) With the engine off, a hard brake pedal application must be made.
(ii) Pedal pressure must be reduced but not released.
(iii) Pedal pressure must be gradually reapplied and pedal reserve must be checked.
(iv) No pedal reserve drop should occur. Any such drop in pedal reserve must cause the system to be deemed defective.
(2) Brake assembly.
(a) Adjustment of all brakes must comply with the manufacturer's recommended specifications.
(b) Brake system components must meet all the requirements of RCW 46.37.360, and brake drums will not be cracked or broken to the extent that such crack or break appears on the outside of the drum.
(c) Brake lining, pad friction surface, or braking surface of the brake drum or rotor must not be contaminated with grease, oil, or brake fluid.(Amended by WSR 14-03-018, filed 1/7/14, effective 2/7/14)
Statutory Authority: RCW 46.37.005. 83-21-080 (Order 83-10-01), § 204-76-070, filed 10/19/83; 80-10-006 (Order 80-07-01), § 204-76-070, filed 7/25/80.
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