Coupling To The Tow Vehicle
! WARNING
Coupler-to-hitch mismatch can result in uncoupling, leading to
death or serious injury.
Be sure the LOAD RATING of the hitch ball is equal or greater than
the load rating of the coupler.
Be sure the SIZE of the hitch ball matches the size of the coupler.
Wipe the hitch ball clean and inspect it visually and by feel for flat spots,
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cracks and pits.
! WARNING
A worn, cracked or corroded hitch ball can fail while towing, and
may result in death or serious injury.
Before coupling trailer, inspect the hitch ball for wear, corrosion
and cracks.
Replace worn or damaged hitch ball.
Rock the ball to make sure it is tight to the hitch, and visually check that the
hitch ball nut is solid against the lock washer and hitch frame.
Wipe the inside and outside of the coupler clean and inspect it visually for
cracks and deformations; feel the inside of the coupler for worn spots and pits.
Be sure the coupler is tight to the tongue of the trailer. All coupler fasteners
must be visibly solid against the trailer frame.
! WARNING
A loose hitch ball nut can result in uncoupling, leading to death or
serious injury.
Make sure the hitch ball is tight to the hitch before coupling the
trailer.
Raise the bottom surface of the coupler to be above the top of the hitch ball.
4.3.1.2 Prepare The Coupler And Hitch
Lubricate the hitch ball and the inside of the coupler with a thin layer of
automotive bearing grease.
Remove the safety latch pin and open the coupler locking mechanism.
In the open position, the coupler is able to drop fully onto the hitch ball.