BC Transit â Air Brake Course

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No. 7 SAFETY VALVE: releases excess pressure in the reservoir due to governor failure or compressor unloader mechanism failure. Releases at 140 to 150 psi. Left click for answer 102
No. 8 RELAY VALVE: provides quicker application and release of the rear brakes. Left click for answer 103
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BC Transit - Air Brake Course Prese
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BC Transit - Air Brake Course 1. Ai
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BC Transit - Air Brake Course 1. Ai
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BC Transit - Air Brake Course 2. De
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The final factor that will determin
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Weight - Speed - Distance When weig
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Perception Time (See-Think) Percept
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4/10 sec. Brake Lag (mechanical lag
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Stopping Distance…(total stopping
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Apply the principal from the previo
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Using Compressed Air to Our Advanta
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Combining mechanical advantage to a
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As the driver applies the brake ped
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Review Questions: Section 1 1) What
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BC Transit - Air Brake Course 3. Fi
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The Governor The governor may be co
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One-way Check Valve The one-way che
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Air Lines • Air lines link compre
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Safety Valve The Reservoirs One-way
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Air Gauges 60 50 40 70 80 85 90 100
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BC Transit - Air Brake Course 3. Fi
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The Foot Valve The foot valve contr
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The Foundation Brakes: Brake Chambe
Page 51 and 52: Automatic Slack Adjusters Pre-Trip
Page 53 and 54: Brake Chambers and Slack Adjusters
Page 55 and 56: BC Transit - Air Brake Course 3. Fi
Page 57 and 58: Review Questions: Section Three 1)
Page 59 and 60: BC Transit - Air Brake Course 4. Ba
Page 61 and 62: No. 2 GOVERNOR: tells compressor wh
Page 63 and 64: No. 4 AIR LINES: link air from one
Page 65 and 66: No. 11 BRAKE SHOES AND LININGS: sho
Page 67 and 68: No. 13 SLACK ADJUSTER: provides a m
Page 69 and 70: No. 15 BRAKE CHAMBER: part of force
Page 71 and 72: Quick Release Valve and Stop Light
Page 73 and 74: The Relay Valve The relay valve pro
Page 75 and 76: In this diagram, the dark green lin
Page 77 and 78: • Because the relay valve accesse
Page 81 and 82: A spring type park brake serves thr
Page 83 and 84: However, some valves may be designe
Page 85 and 86: Park Brake and Service Brake Releas
Page 87 and 88: Park Brake Applied - Service Brake
Page 89 and 90: Mechanical Release of the Park Brak
Page 91 and 92: “Maxi-Brake” type Park Brake Th
Page 93 and 94: “Maxi-Brake” Operation (single
Page 95 and 96: Park brake systems with double cont
Page 97 and 98: Park Brake Emergency Functions... 1
Page 101: No. 6 LOW AIR WARNING DEVICE: activ
Page 105 and 106: Review of Section Four 6) Why is it
Page 107 and 108: BC Transit - Air Brake Course 5. Ot
Page 115 and 116: ATC (Automatic Traction Control)
Page 117 and 118: Long Stroke Push Rods Many new air
Page 119 and 120: Disc Brakes Callipers Rotor …oper
Page 121 and 122: Wedge Brakes This type of brake use
Page 123 and 124: Section Six Single Circuit Tractor
Page 125 and 126: Parts of the Trailer (van style) 1)
Page 127 and 128: The “Fifth Wheel” The fifth whe
Page 129 and 130: Hooking Up (Step 2) A visual inspec
Page 131 and 132: Charging the Trailer Brake Reservoi
Page 133 and 134: The Semi-Trailer Ready for its Pre-
Page 135 and 136: Tractor-Trailer Trailer Air Brake S
Page 137 and 138: Introduction to Valves and Componen
Page 139 and 140: The Hand Valve The Hand Valve is mo
Page 141 and 142: The Tractor Protection Valve The Tr
Page 143 and 144: Accidental Hand Valve Application (
Page 145 and 146: The Trailer Supply /Delivery Line T
Page 147 and 148: The Emergency Relay Valve The Emerg
Page 149 and 150: Foot Valve Application (trailer con
Page 151 and 152: Emergency Functions The following s
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Supply Line Rupture (trailer intact
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Supply Line Rupture (handling the s
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Service Line Rupture (continued) 1)
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Loss of Main Reservoir Air In this
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Supply & Service Lines Crossed (air
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Three Tests to Confirm Emergency Re
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Three Tests to Confirm Emergency Re
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Review Questions Section Six (Tract
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BC Transit - Air Brake Course 7. Du
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The Purpose of Dual Air Systems Dua
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Identifying Primary and Secondary C
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Primary and Secondary Systems (cont
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The Simple Dual Circuit System One-
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Secondary Air Loss (Foot Valve Appl
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Adding the Park Brake (spring brake
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Primary Air Loss and Park Brake Fun
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Enter the Modulator Valve The modul
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The Modulator Valve (secondary air
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The Modulator Valve (primary air lo
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The Modulator Valve (primary air lo
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Dual Air System Summary 1) The purp
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BC Transit - Air Brake Course 8. Du
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Combination Truck and Trailer with
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SYSTEM PARK TRAILER SUPPLY TRACTOR
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Combination Truck and Trailer (Supp
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Combination Truck and Trailer (mixe
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Combination Truck and Trailer (Prim
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Section Review - Dual Air - Tractor
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T-75 Off Highway System - Single Un
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L-75 Off Highway Combination with S
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Schedule SX Trailer (spring equippe
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BC Transit â Air Brake Course