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12 Cards in this Set
- Front
- Back
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1st |
Find guages |
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2 |
Start engine |
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3 |
Build Air Pressure ( the governor should cut out between 105 and 135 psi compressor unloading ) |
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4 |
Release ( spring ) parking brakes and fan brakes down using approximately 20 PSI but no lower than 80 - 85 PSI - Stop fanning. |
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5 |
The compressor should start loading ( Confirm by watching Air gushes starting to rise ) Continue to pump brakes |
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6 |
Low Air pressure warning should come on at 60 PSI |
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7 |
Continue to pump down until you reach 40 PSI on both guages. |
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8 |
Bring engine RPM up to 1100 RPM and begin the 50 to 90 PSI check in 3 minutes. |
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9 |
Start timing when the first gauge reaches 50 psi and stop timing when the second gauge reaches 90 PSI |
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10 |
Build air pressure to anywhere above 105 PSI ( confirm spring brakes release ) |
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11 |
Turn engine off |
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12 |
To leak test by applying one full brake application for 1 minute making sure you lose no more than three PSI per minute |
