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14 Cards in this Set
- Front
- Back
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Block the Wheels |
Place chocks in front and back of left steer tire
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Raise |
The air pressure to 110 PSI (pounds per square inch) or above Listen for the air compressor to cut off |
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Air Valves |
Push in the red and yellow air valves, this releases the air brakes |
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Kill the engine |
Turn the key off to stop the engine |
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Electric only |
Without restarting the engine, turn the key back to "ON" and allow the gauges to do an electric sweep |
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Static test 3 PSI/minute |
Without touching anything, no pressure loss greater than 3 PSI/minute is allowed Time the FULL minute |
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Applied test 4 PSI/minute |
Press the service brake, no pressure loss greater than 4 PSI/minute Time the FULL minute |
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Low Air Test On before 60 PSI |
Pump the service brake, the alarm sound should come on before the pressure drops below 60 PSI |
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Emergency test On between 20-45 PSI |
Continue pumping, the air valves should pop out when the pressure goes between 20 and 45 PSI |
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Start truck 100 PSI in 90 seconds |
Restart the engine and accelerate truck to 1000 RPMs to rebuild air pressure. Put away your chocks |
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Parking brakes test |
"Valves are out so parking brakes are set. I will attempt to move the vehicle and it should not go forward" Put truck in drive and gently try to move. |
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Tractor Parking brake test (Explain the test, then perform action described) |
" I will release the parking brakes on trailer only (yellow valve in,) I will attempt to move the vehicle and it should not go forward. Tractor brakes hold" |
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Trailer brakes test (reverse the valves, pull the red one and push the yellow one) Explain the test , then perform action described |
"I will release the parking brakes on tractor only (yellow valve in), I will attempt to move the vehicle and it should not go forward. Trailer brakes hold" |
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5 MPH Test (Explain the test, then perform action described) |
" I will release both brakes, and drive forward to 5 MPH, I will apply my service brake firmly and vehicle should stop |
