Wheel Bearings; Lubrication; Lug Nuts Or Bolts - Integrity Enclosed Trailer Owner's Manual

Tire Inspection Chart
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WARNING
Worn, damaged or under-infl ated tires can
cause loss of control, injury and damage.
Check tires before each tow.

9.2.9 Wheel Bearings

A loose, worn or damaged wheel bearing is the most
common cause of brakes that grab.
To check your bearings, jack up the trailer and secure
it on adequate capacity jack stands. Check wheels for
side-to-side looseness.
If the wheels are loose, or spin with a wobble, the
bearings must be serviced or replaced.
Inspection, Service And Maintenance
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Never go under trailer unless it is on fi rm
and level ground and resting on properly
placed and secured jack stands.
If your axle(s) are equipped with a grease zerk on the
ends of the axle(s), the bearings must be greased
every 6 months or 6,000 miles to ensure reliable and
safe operation of your trailer.
Remove the rubber plug from the axle end.
1.
Place grease gun on zerk.
2.
Pump grease until new grease begins to appear.
3.
Use a different color grease each time so you will
know when the new grease begins to appear.
Install rubber plug and cap. Repeat for remaining
4.
wheel bearings.
If your trailer axle(s) are not equipped with grease
zerks, refer to the axle manufacturer's manual for
service and maintenance information.

9.2.10 Lubrication

Lubricate drop ramp door hinges every month (if
equipped).

9.2.11 Lug Nuts Or Bolts

Lug nuts or bolts are prone to loosen right after
a wheel is mounted to a hub. When driving on a
remounted wheel, check to see if the lug nuts or bolts
are tight after the fi rst 10, 25 and 50 miles of driving,
and before each tow thereafter.
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Lug nuts or bolts are prone to loosen after
being fi rst assembled. Death or serious
injury can result.
Check lug nuts or bolts for tightness on a
new trailer, and after re-mounting a wheel
at 10, 25 and 50 miles.
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WARNING
WARNING