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TRAILER SPRING BRAKE CONTROL SYSTEMS TRAILER SPRING BRAKE CONTROL SYSTEMS Provide a Choice of SPRING BRAKE PRIORITY or SERVICE RESERVOIR PRIORITY Provide.

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Presentation on theme: "TRAILER SPRING BRAKE CONTROL SYSTEMS TRAILER SPRING BRAKE CONTROL SYSTEMS Provide a Choice of SPRING BRAKE PRIORITY or SERVICE RESERVOIR PRIORITY Provide."— Presentation transcript:

1 TRAILER SPRING BRAKE CONTROL SYSTEMS TRAILER SPRING BRAKE CONTROL SYSTEMS Provide a Choice of SPRING BRAKE PRIORITY or SERVICE RESERVOIR PRIORITY Provide a Choice of SPRING BRAKE PRIORITY or SERVICE RESERVOIR PRIORITY

2 SPRING BRAKE PRIORITY LOGIC PROVIDED BY THE TEV SUPPLY TANK SPRINGBRAKE TEV

3 SPRING BRAKE PRIORITY LOGIC PROVIDED BY THE TEV PART NO ADVANTAGES l QUICKLY MOVE VEHICLES IN THE YARD l MOVE DISABLED VEHICLES WITHOUT TANK PRESSURE PRESSURE DISADVANTAGES l WITH A WEAK TRACTOR, MAY HAVE NO SERVICE TANK PRESSURE NO SERVICE TANK PRESSURE

4 SERVICE TANK PRIORITY LOGIC PROVIDED BY THE STEV SUPPLY TANK SPRINGBRAKE STEV

5 ADVANTAGES l ASSURES SERVICE TANK PRESSURE IS AVAILABLE AVAILABLE SERVICE TANK PRIORITY LOGIC PROVIDED BY THE STEV PART NO DISADVANTAGES l MUST CHARGE TANK OR DISABLE SPRING BRAKES TO MOVE TRAILER BRAKES TO MOVE TRAILER

6 Tramec Sloan TEV SUPPLY DELIVERY 2 HORIZONTAL 2 VERTICAL CONTROL PRESSUREPROTECTION ANTI-COMPOUNDING SPRING BRAKE CONTROL EXHAUST TANK

7 SPRING BRAKE SECTION - SUPPLY PRESSURE RISING SHUTTLE SEALS EXHAUST PORT CHECK VALVE OPENS TO FILL SPRING BRAKES

8 SPRING BRAKES MAINTAIN MAXIMUM PRESSURE DELIVERED WHILE SUPPLY REMAINS ABOVE 35 PSI SHUTTLE SEALS EXHAUST PORT CHECK VALVE CLOSES IF SUPPLY DROPS

9 SMALL AREA AT HIGH PRESSURE (MAXIMUM SYSTEM PRESSURE) LARGE AREA AT FLUCTUATING SYSTEM PRESSURE LARGE FORCE TO MAINTAIN EXHAUST SEAL

10 SPRING BRAKES EXHAUST (BRAKES APPLY) SHUTTLE OPENS EXHAUST PORT SUPPLY EXHAUSTED BY PARKING OR DISCONNECT

11 PRESSURE PROTECTION SECTION PRESSUREPROTECTION PROTECTS 70 PSI AT GLADHAND

12 PRESSURE PROTECTION SECTION CHECK VALVE RETAINS TANK PRESSURE WHEN PARKED PRESSUREPROTECTION SPRING FORCE EXCEEDED BY RESERVOIR PRESSURE

13 ANTI-COMPOUNDING SECTION 0 PSI SUPPLY PRESSURE SPRING BRAKES APPLIED SERVICEAPPLICATION SERVICEPRESSUREVENTED PATENTEDVENTINGANTI-COMPOUNDING

14 Tramec Sloan STEV SUPPLY TANK DELIVERY 2 HORIZONTAL 2 VERTICAL CONTROL PRESSUREPROTECTION ANTI-COMPOUNDING SPRING BRAKE CONTROL SENSOR EXHAUST

15 Tramec Sloan STEV SUPPLY SENSOR SECTION AT LOW TANK PRESSURE, ALLOWS NO FLOW TO SPRING BRAKES RESERVOIRPRIORITY FIRST FLOW IS TO TANK

16 Tramec Sloan STEV SENSOR SECTION ADEQUATE TANK PRESSURE LIFTS VALVE PRESSURE FLOWS TO SPRING BRAKES SUPPLY TANK

17 STEV RESERVOIR FILL LOGIC TIME GLADHANDPRESSURE TANKPRESSURE SPRINGBRAKES FLOW TO BRAKES PRESSURE TANKS FILL TO PSI TANKS & BRAKES CONTINUE TO FILL

18 TEVORSTEV

19 TEVORSTEV


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