InspectionQuestion 35 of 60
How do you test that the parking (spring) brakes hold?
a.Set the parking brake and gently pull forward in low gear to confirm it holds the vehicle
b.Rev the engine with the brakes off
c.Drain the tanks and drive forward
d.Apply the trailer hand valve only
Explanation
With the vehicle stopped, apply the parking brake, then gently try to move forward in a low gear against the parking brake. The parking brakes should hold the vehicle in place. If they do not, they are faulty and must be repaired before driving.
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Related questions on this topic
- For a single vehicle (straight truck), what is the maximum allowable air pressure loss in one minute with the brakes applied?
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