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MARVIN MANDEL, Governor 1115
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PROVIDE MODULATED BRAKING.
(I) SINGLE CONTROL TO OPERATE ALL BRAKES.
AFTER JUNE 1, 1971, EVERY MOTOR VEHICLE, TRAILER,
SEMITRAILER, AND POLE TRAILER, AND EVERY COMBINATION OF
THESE VEHICLES, EXCEPT MOTORCYCLES, EQUIPPED WITH BRAKES
SHALL HAVE THE BRAKING SYSTEM SO ARRANGED THAT ONE
CONTROL DEVICE CAN BE USED TO OPERATE ALL SERVICE BRAKES.
THIS REQUIREMENT DOES NOT PROHIBIT VEHICLES FROM BEING
EQUIPPED WITH AN ADDITIONAL CONTROL DEVICE TO BE USED TO
OPERATE BRAKES ON THE TOWED VEHICLES. THIS REGULATION
DOES NOT APPLY TO DRIVEAWAY OR TOWAWAY OPERATIONS UNLESS
THE BRAKES ON THE INDIVIDUAL VEHICLES ARE DESIGNED TO BE
OPERATED BY A SINGLE CONTROL ON THE TOWING VEHICLE, NOR
DOES IT APPLY TO THE OPERATION OF ELECTRIC TRAILER
BRAKES.
(J) RESERVOIR CAPACITY AND CHECK VALVE.
(1) AIR BRAKES. EVERY BUS, TRUCK, OR TRUCK
TRACTOR WITH AIR OPERATED BRAKES SHALL BE EQUIPPED WITH
AT LEAST ONE RESERVOIR SUFFICIENT TO INSURE THAT, WHEN
FULLY CHARGED TO THE MAXIMUM PRESSURE A3 REGULATED BY THE
AIR COMPRESSOR GOVERNOR CUT-OUT SETTING, A FULL SERVICE
BRAKE APPLICATION MAY BE MADE WITHOUT LOWERING THE
RESERVOIR PRESSURE BY MORE THAN 20 PERCENT. EACH
RESERVOIR SHALL BE PROVIDED WITH MEANS FOR READILY
DRAINING ACCUMULATED OIL OR WATER.
(2) VACUUM BRAKES. AFTER JUNE 1, 1971,
EVERY TRUCK WITH THREE OR MORE AXLES EQUIPPED WITH VACUUM
ASSISTOR TYPE BRAKES AND EVERY TRUCK TRACTOR AND TRUCK
USED FOR TOWING A VEHICLE EQUIPPED WITH VACUUM BRAKES
SHALL BE EQUIPPED WITH A RESERVE CAPACITY OR A VACUUM
RESERVOIR SUFFICIENT TO INSURE THAT, WITH THE RESERVE
CAPACITY OR RESERVOIR FULLY CHARGED AND WITH THE ENGINE
STOPPED, A FULL SERVICE BRAKE APPLICATION MAY BE MADE
WITHOUT DEPLETING THE VACUUM SUPPLY BY MORE THAN 40
PERCENT.
(3) RESERVOIR SAFEGUARDED. ALL MOTOR
VEHICLES, TRAILERS, SEMITRAILERS, AND POLE TRAILERS, WHEN
EQUIPPED WITH AIR OR VACUUM RESERVOIRS OR RESERVE
CAPACITY AS REQUIRED BY THIS SECTION, SHALL HAVE
RESERVOIRS OR RESERVE CAPACITY SO SAFEGUARDED BY A CHECK
VALVE OR EQUIVALENT DEVICE THAT, IN THE EVENT OF FAILURE
OR LEAKAGE IN ITS CONNECTION TO THE SOURCE OF COMPRESSED
AIR OR VACUUM, THE STORED AIR OR VACUUM IS NOT DEPLETED
BY THE LEAK OR FAILURE.
(K) WARNING DEVICES.
(1) AIR BRAKES. EVERY BUS, TRUCK, OR TRUCK
TRACTOR USING COMPRESSED AIR FOR THE OPERATION OF ITS OWN
BRAKES OR THE BRAKES ON ANY TOWED VEHICLE, SHALL BE
PROVIDED WITH A WARNING SIGNAL, OTHER THAN A PRESSURE
GAUGE, READILY AUDIBLE OR VISIBLE TO THE DRIVER, WHICH
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