Coupling & UncouplingQuestion 2 of 60
What is the correct order for positioning the tractor before coupling to a trailer?
a.Line the tractor directly in front of the trailer, never backing under it at an angle
b.Approach from the side to save time
c.Back in from a 45-degree angle for better vision
d.Position the tractor with the fifth wheel already tilted forward
Explanation
You should line the tractor up directly in front of the trailer and never back under at an angle. Backing under at an angle can push the trailer sideways and break the landing gear. Approaching straight also helps the kingpin center in the fifth wheel jaws.
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Related questions on this topic
- Before backing a tractor under a trailer, where should the trailer be positioned relative to the fifth wheel?
- Before backing under a trailer, the fifth wheel should be tilted how?
- When connecting the glad hands, what must you check to avoid a dangerous coupling mistake?
- After the kingpin has locked into the fifth wheel, how should you test that the coupling is secure?
- After the tug test, why should you go under the trailer and look into the back of the fifth wheel?
- When should the locking jaws be closed around the kingpin?
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