Black plate (472,1)
Model "S51-D" EDITED: 2008/ 3/ 26
based on the trailer weight.
.The diameter of the threaded shank of
the hitch ball must be matched to the
ballmount holediameter.The hitchball
shank should be no more than 1/16@
smallerthan the hole in the ball mount.
.The threaded shank of the hitch ball
must be long enough to be properly
securedto theball mount. There should
be at least 2 threads showing beyond
the lock washer and nut.
Sway control device
Suddenmaneuvers, wind gusts and buffet-
ing caused by other vehicles can affect
trailer handling. Sway control devices may
beused to help control these affects. If you
choose to use one, contact a reputable
trailerhitch supplier to make sure the sway
control device will work with the vehicle,
hitch,trailer and the trailers brake system.
Follow the instructions provided by the
manufacturer for installing and using the
sway control device.
Class I hitch
Class I trailer hitch equipment (receiver,
ball mount and hitch ball) can be used to
tow trailers of a maximum weight of 2,000
lb (907 kg).
Class II hitch
Class II trailer hitch equipment (receiver,
ball mount and hitch ball) can be used to
tow trailers of a maximum weight of 3,500
lb (1,588 kg).
CAUTION
.Special hitches which include frame
reinforcements are required for towing
above 2,000 lb (907 kg). Suitable
genuine INFINITI hitches for pickup
trucks and sport utility vehicles are
available at an INFINITI dealer.
.The hitch should not be attached to or
affect the operation of the impact-
absorbing bumper.
.Do not use axle-mounted hitches.
.Do not modify the vehicle exhaust
system, brake system, etc. to install a
trailer hitch.
.To reduce the possibility of additional
damageif your vehicle is struckfrom the
rear, where practical, remove the hitch
and/or receiver when not in use. After
thehitch is removed, seal the bolt holes
to prevent exhaust fumes, water or dust
from entering the passenger compart-
ment.
.Regularly check that all trailer hitch
mounting bolts are securely mounted.
Tire pressures

.

When towing a trailer, inflate the

vehicle tires to the recommended cold

tire pressure indicated on the Tire and

Loading Information label.

.

Trailer tire condition, size, load rating

andproper inflation pressure should be

in accordance with the trailer and tire

manufacturersspecifications.

Safety chains
Always use a suitable chain between your
vehicle and the trailer. The safety chains
shouldbe crossedand should be attached
to the hitch, not to the vehicle bumper or
axle.The safety chains can be attached to
the bumper if the hitch ball is mounted to
thebumper. Be sure to leave enough slack
in the chains to permit turning corners.
9-24 Technicaland consumer information