Washington Administrative Code
Title 204 - State Patrol (Equipment) (See also Titles 212, 446 and 448)
Chapter 204-76 - Standards for brake systems
Section 204-76-040 - Straight air brakes
Universal Citation: WA Admin Code 204-76-040
Current through Register Vol. 24-06, March 15, 2024
Straight air brake systems are subject to the following requirements and limitations:
(1) Supply system.
(a) The air compressor for a
straight air brake system must cut in at not less than 85 pounds per square
inch and must cut out at not more than 130 pounds per square inch.
(b) Air compressor buildup time must not be
more than two minutes to increase the air pressure from 60 pounds per square
inch to 90 pounds per square inch. Engine speed will not exceed 1500 RPM to
meet this requirement.
(c) Air loss
from the air system must not exceed:
(i) 3
pounds per square inch per minute for a single vehicle.
(ii) 4 pounds per square inch per minute for
a two vehicle combination.
(iii) 5
pounds per square inch per minute for a three or more vehicle combination. Air
losses will be measured by the air gauge in the vehicle.
(d) The air system must contain no more than
one quart of contaminants. Water and oil must be considered
contaminants.
(2) Brake assembly.
(a) Adjustment of all brakes must
comply with the manufacturer's recommended specifications as set forth in WAC
204-76-99001,
204-76-99002,
204-76-99003, and
204-76-99004.
(b) Brake system components must meet all the
requirements of
RCW
46.37.360.
(i) Brake hoses and their attachments must:
(A) Meet the requirements of
RCW
46.37.360; and
(B) Comply with Part 393.45 of
Title
49 C.F.R.
(ii) Brake hose splices must consist of only
those unions specifically manufactured for that purpose and be properly
installed.
(iii) Brakedrums will
not be cracked or broken to the extent that such crack or break appears on the
outside of the drum.
(iv) Brake
lining, pad friction surface, or braking surface of the brake drum or rotor
must not be contaminated with grease, oil, or brake fluid.
Statutory Authority: RCW 46.37.005. 83-21-080 (Order 83-10-01), § 204-76-040, filed 10/19/83; 80-10-006 (Order 80-07-01), § 204-76-040, filed 7/25/80.
Disclaimer: These regulations may not be the most recent version. Washington may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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