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WHAT ARE THE MAXIMUM LEAKAGE RATES FOR AN AIR BRAKE SYSTEM?
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THE LOSS RATE SHOULD BE LESS THAN TWO PSI IN ONE MINUTE FOR SINGLE VEHICLES AND LESS THAN THREE PSI IN ONE MINUTE FOR COMBINATION VEHICLES.
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TRUE OR FLASE.
THE USE OF BRAKES ON A LONG STEEP DOWNGRADE IS ONLY A SUPPLEMENT TO THE BRAKING EFFECT OF THE ENGINE.
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TRUE
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HOW OFTEN SHOULD YOU DRAIN AIR TANKS?
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DRAIN YOUR AIR TANKS AT THE END OF EACH WORKING DAY.
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HOW CAN YOU CHECK THAT THE SPRING BRAKES WILL COME ON AUTOMATICALLY?
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SREP ON AND OFF THE BRAKE PEDAL TO REDUCE THE AIR TANK PRESSURE, THE PAKING BRAKE KNOB XHOULD POP OUT WHEN THE AIR PRESSURE FALLS TO THE MANUFACTURERS SPECIFICATION.
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HOW CAN YOU CHECK SLACK ADJUSTERS?
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BY PULLING HARD ON EACH SLACK ADJUSTERS.
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