CPSD CDL Test Prep

CPSD CDL Test PrepCPSD CDL Test PrepCPSD CDL Test Prep
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CPSD CDL Test Prep

CPSD CDL Test PrepCPSD CDL Test PrepCPSD CDL Test Prep
Home
Top Level
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Air Leak Test

  • Turn bus off
  • Turn key to on position
  • With foot on service brake, releaser parking brake.
  • SAY: I will time it for 1 minute and I should lose not more than 3 PSI in 1 minute.
  • Wait for the gauges to settle.
  • Start timing for 1 minute
  • After 1 minute, SAY: I didn't lose more than 3 PSI in that 1 minute.

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