Coupling To The Tow Vehicle
Bri-Mar 57
4.2.2.1 Before Coupling the Trailer to the Tow Vehicle
Be sure the size and rating of hitch ball match the size and rating of the
coupler. Hitch balls and couplers are marked with their size and rating.
^ 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, 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.
Trailers
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