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20 Cards in this Set
- Front
- Back
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Step 1 of 7:
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Review Last Vehicle Inspection Report
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Step 2 of 7:
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Check Engine Compartment
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Step 3 of 7:
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Start Engine and Inspect Inside Cab
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Step 4 of 7
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Turn off Engine and Check Lights
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Step 5 of 7
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Walk-Around Inspection
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Step 6 of 7:
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Check Signal Lights
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Step 7 of 7:
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Start Engine and Check Brake System.
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Engine Compartment Check Steps (2 of 7)
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Engine Oil
Coolant (and hoses) Power Steering Fluid (and hoses) Windshield Washer Fluid Battery Fluid Level (Connections and tiedowns) Automatic Transmission Fluid Belt tightness and wear Leaks Cracked, worn Electrical Insulation Air Compressor Belt |
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Start Vehicle/Cab Inspection Steps (3 of 7)
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Start Vehicle
Look at Gauges Condition of Controls Mirrors and Windshield Emergency Equipment |
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Controls to Check
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Steering Wheel
Clutch Accelerator Pedal Brake Controls Transmission Controls Differential Lock Horn Windshield Wipers/washer Lights |
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Check Slack Adjusters
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Park on level ground and chock wheels
Turn off parking brakes Pull hard on slack adjusters If more than 1-inch of play, adjust |
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Check Drums (or disks), Linings, Hoses
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Nor cracks longer than 1/2 width of friction area
Lining not loose or grease soaked Check air hoses |
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Low Pressure Warning Test
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Shut off the engine after pressure has built
Turn on Electrical Power (not engine) Repeatedly depress the brakes to bleed off air Low Pressure warning must activate before 60 psi |
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Check Automatic Spring Brakes
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Chock Wheels
Release Parking Brake (After Air Pressure Builds) Repeatedly depress brake pedal to bleed off air Parking Brake Knob should pop out around 20-40 psi |
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Rate of Air Pressure Buildup
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Should build from 85 to 100 psi within 45 seconds
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Leakage Rate
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With fully charges system, turn off engine
Release the Service Pressure nad time the air pressure drob Loss should be less than two psi in one minute, or 3 psi in one minute in combination Apply 90psi or more with pedal After initial drop, if more than 3 psi in one minute, or 4 psi in combination, air loss is too much |
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Governor cut-in, cut-out
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Pump brakes, air compressor should come on at 100psi, go off around 125
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Test Parking Brake
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Stop vehicle, put parking brake on, gently pull against it in low gear
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Test Service Brakes
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Wait for normal air pressure
Release Parking Brake Move Forward Apply the brakes firmly using pedal |
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Air Brake Tests
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Air Compressor Belt
Slack Adjusters Drums, Discs, Linings, Hoses Low Pressure Warning Signal Spring Brakes Automatically Rate of Air Pressure Build Air Leakage Rate Air Comp. Governor Pressures Parking Brake Test Service Brake Test |
