Commercial Driver Handbook ( PDF ) - California Department of ...

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draWBridges Stop at drawbridges that do not have a signal light or traffic control attendant. Stop at least 50 feet before the draw of the bridge. Look to see if the draw is completely closed before crossing. You do not need to stop, but must slow down when: • There is a traffic light showing green. • The bridge has an attendant or traffic officer that controls traffic whenever the bridge opens. Common Causes of Bus Collisions Collisions often happen at intersections. Use caution, even if a signal or stop sign controls other traffic. Remember the clearance your bus needs, and watch for poles and tree limbs at stops. Know the size of the gap your bus needs to accelerate and merge with traffic. Never assume other drivers will brake to give you room when you signal or start to pull out. Collisions on curves result from excessive speed, often when rain or snow has made the road slippery. Every banked curve has a safe design speed. The design speed is often less than the posted speed for the curve. Although the posted speed is safe for smaller vehicles, it may be too high for many buses. With good traction, the bus may roll over; with poor traction, it will simply slide off the curve. Reduce speed for curves! If your bus leans toward the outside on a banked curve, you are driving too fast. The best way to control the bus on curves is to slow to a safe speed before entering the curve, and then accelerate slightly through it. PASSengeR mAnAgement Passenger supervision is necessary while driving. Many charter and intercity carriers have passenger comfort and safety rules. Explaining the rules at the start of the trip will help to avoid trouble later. While driving, scan the interior of your bus as well as the road ahead, to the sides and to the rear. You may have to remind riders about the rules or to keep arms and heads inside the bus. Riders can stumble when getting on or off and when the bus starts or stops. Caution riders to watch their step when leaving the bus. Wait for them to sit - 72 - down or brace themselves before starting. Starting and stopping should be as smooth as possible to avoid rider injury. unruly passengers Occasionally, you may have a rider who is unruly or under the influence of alcohol and/or drugs. You must ensure this rider’s safety as well as that of others. Do not discharge a rider where it would be unsafe. It may be safer to unload a passenger at the next scheduled stop, or a well lighted area where there are other people. mIScellAneOuS RequIRementS The nozzle of the fuel hose must be in contact with the intake of the fuel tank when refueling. No driver or motor carrier shall permit a vehicle to be fueled while: • The engine is running. • A radio on the bus is transmitting. • The bus is close to any open flame or ignition source (including persons who are smoking). • Passengers are aboard any bus (except one fueled by diesel in an open area or in a structure open at both ends). Brake door interloCk Urban mass transit coaches may have a brake and accelerator interlock system. The interlock applies the brakes and holds the throttle in idle position when the rear door is open. The interlock releases when you close the rear door. Do not use this safety feature in place of the parking brake when safety requires the use of the parking brake. prohiBited praCtiCes Do not engage in unnecessary conversation with passengers or any other distracting activity while driving. Do not tow or push a disabled bus with riders aboard the vehicle, unless discharging the passengers would be unsafe. Follow your employer’s guidelines on towing or pushing a disabled bus.
SectIOn 5: AIR BRAkeS This section is for drivers who drive or tow vehicles with air brakes This section tells you about air brakes. If you drive or tow a commercial vehicle(s) equipped with air brakes, you will be tested on the information in this section. If you want to tow a trailer with air brakes, you must also read Section 6: Combination Vehicles. Air brakes use compressed air to make the brakes work and must be well maintained and used correctly. Air brake systems are three braking systems combined: • The service brake system applies and releases the brakes when you use the brake pedal during normal driving. • The parking brake system applies and releases the parking brakes when you use the parking brake control. • The emergency brake system uses parts of the service and parking brake systems to stop the vehicle in the event of a brake system failure. CDL air brake requirements. For CDL purposes, a vehicle’s air brake system must meet the above definition and must contain the following which will be checked during the pre-trip inspection test: • Air gauges. • Low pressure warning device(s). If the vehicle you use for your driving test does not have these components, your vehicle will not be considered as having an air brake system and you will have a “No Air Brakes” restriction on your CDL. Note: A full service brake application must deliver to all brake chambers not less than 90 percent of the air reservoir pressure remaining with the brakes applied (CVC §26502). the AIR BRAke SyStem An air brake system is a system that uses air as a way to transmit pressure from the driver’s control to the service brake. It also includes an air-overhydraulic brake system. There are many parts to an air brake system. You should know about the parts discussed here. air Compressor and governor The air compressor pumps air into the air storage tanks (reservoirs). The air compressor is driven by the engine through gears or a V-belt. The compressor may be air cooled or may be cooled by the engine cooling system. It may have its own oil supply, or be lubricated by engine oil. If the compressor has its own oil supply check the oil level before driving. The governor controls when the air compressor will pump air into the air storage tanks. When air tank pressure rises to the “cut-out” (fully charged) level (no higher than 130 pounds per square inch, or “psi”), the governor stops the compressor from building air pressure. When the tank pressure falls to the “cut-in” pressure (no lower than 85 psi), the governor allows the compressor to start building pressure again. - 73 -
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California CommerCial Driver HanDbo
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cAlIFORnIA DRIVeR lIcenSe clASSeS
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SectIOn 1: IntRODuctIOn ...........
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The California Commercial Motor Veh
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hOW tO get A cDl Apply at CHP offic
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fees suBjeCt to legislative Change
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Driving test. You drive on a DMV-sp
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hazardous materials endorsement BaC
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Heavier vehicles with a GVWR more t
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length of vehiCle/loads-single vehi
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• Exceptions: — the gross weigh
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ight lane rule Vehicles listed in C
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California law states that you must
Page 27 and 28: A driver is disqualified from opera
Page 29 and 30: This section contains general knowl
Page 31 and 32: • Automatic transmission fluid le
Page 33 and 34: Right Side • Right front: check a
Page 35 and 36: Get in the Vehicle • Turn off lig
Page 37 and 38: BaCking With a trailer Backing with
Page 39 and 40: Road conditions. Look for hills and
Page 41 and 42: If you must stop on the road or the
Page 43 and 44: • Bridges. When the temperature d
Page 45 and 46: smaller than yours, it can probably
Page 47 and 48: are turning into a multilane street
Page 49 and 50: DRIVIng In FOg The best advice for
Page 51 and 52: If coolant has to be added to a sys
Page 53 and 54: traffic conditions to trap you in a
Page 55 and 56: • Weaving across the road or drif
Page 57 and 58: • Avoid eye contact. • Ignore g
Page 59 and 60: Brake failure on downgrades. Slow d
Page 61 and 62: If the lamp stays on after the bulb
Page 63 and 64: FIReS Vehicle fires can cause damag
Page 65 and 66: What is Considered a drink? It is t
Page 67 and 68: • You drift between lanes, tailga
Page 69 and 70: This section is about cargo safety.
Page 71 and 72: Cargo should have two tiedowns in t
Page 73 and 74: SectIOn 4: tRAnSPORtIng PASSengeRS
Page 75 and 76: Bus interior Always check the inter
Page 77: If you are driving a 40 foot bus at
Page 81 and 82: drum Brakes Drum brakes (foundation
Page 83 and 84: spring Brakes All trucks, truck tra
Page 85 and 86: The trailer air supply control on n
Page 87 and 88: All vehicles built since 1994 have
Page 89 and 90: Check rate of air pressure buildup.
Page 91 and 92: emergenCy stops Controlled braking.
Page 93 and 94: This section provides information n
Page 95 and 96: ear of your vehicle close to the cu
Page 97 and 98: trailer air tanks Each trailer and
Page 99 and 100: *Air Compressor Governor Cut-In Pre
Page 101 and 102: Step 3. Position tractor • Direct
Page 103 and 104: unCoupling traCtor/semitrailer The
Page 105 and 106: This section has information you wi
Page 107 and 108: Connect the converter dolly to the
Page 109 and 110: DOuBleS/tRIPleS AIR BRAke check Che
Page 111 and 112: This section has information needed
Page 113 and 114: unBaffled tanks Smooth bore (or unb
Page 115 and 116: SectIOn 9: hAzARDOuS mAteRIAlS/WASt
Page 117 and 118: • Certifies on a shipping paper t
Page 119 and 120: Identification Numbers May Be Displ
Page 121 and 122: “RQ” m eans that this is a repo
Page 123 and 124: Other clues suggesting hazardous ma
Page 125 and 126: You do not need EXPLOSIVES 1.5, OXI
Page 127 and 128: Class or Division Explosives 1.1 an
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FeDeRAl DRIVIng AnD PARkIng RuleS d
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tire CheCks The driver of a placard
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Never continue driving with hazardo
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hAzARD clASS and DIVISIOn CLASS 1
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hAzARDOuS mAteRIAlS WARnIng lABelS
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You should be thoroughly familiar w
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loading proCedures • Students sho
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• Mechanical/operational problems
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There is also a no passing zone sig
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AntIlOck BRAkIng SyStemS vehiCles r
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SectIOn 11: PRe-tRIP teSt This sect
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Coolant Temperature Gauge • Start
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suspension Springs/Air/Torque • L
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ear of vehiCle Splash Guards • If
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cOAch/tRAnSIt BuS passenger items P
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tyPIcAl tRuck OR cOmBInAtIOn VehIcl
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SectIOn 12: BASIc VehIcle cOntROl S
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SectIOn 13: DRIVIng teSt This secti
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stop/start For this maneuver, you w
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Bulk packaging—a packaging, inclu
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Infectious substances or etiologic
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nOteS - 167 -
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