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MQ62TDD TRASH PUMP • OPERATION AND PARTS MANUAL — REV. #0 (07/30/09) — PAGE 45
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Make sure your tire valves have valve caps.
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ALWAYS check tire pressure on tow vehicle and trailer
before towing. Check tire pressure at least once a month.
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DO NOT overload tow vehicle. Check the tire information
and loading placard for safe allowable tire loading
conditions.
Tire Repair
The proper repair of a punctured tire requires a plug for the
hole and a patch for the area inside the tire that surrounds
the puncture hole. Punctures through the tread can be
repaired if they are not too large, but punctures to the
sidewall
should not be repaired
. Tires must be removed
from the rim to be properly inspected before being plugged
and patched.
Replacing Worn or Damaged Tires
Replace the tire before towing the trailer if the tire treads
have less than 1/16 inch depth or the telltale bands are
visible. Check inflation pressure weekly during use to insure
the maximum tire life and tread wear. A bubble, cut or
bulge in a side wall can result in a tire blowout. Inspect
both side walls of each tire for any bubble, cut or bulge;
and replace a damaged tire before towing the trailer.
Table 9 below will help pinpoint the causes and solutions
of tire wear problems.
TIRE SAFETY
WARNING — Flying Objects
ALWAYS
wear safety glasses when
removing or installing force fitted parts DO
NOT attemp to repair or modify a wheel.
DO NOT install an inner-tube to correct a leak through
through the rim. If the rim is cracked, the air pressure
in the inner tube may cause pieces of the rim to explode
(break off) with great force and cause serious eye or
bodily injury.
Wheel Rims
If the trailer has been struck, or impacted, on or near the
wheels, or if the trailer has struck a curb, inspect the rims
for damage (i.e. being out of round); and replace any
damaged wheel. Inspect the wheels for damage every year,
even if no obvious impact has occurred.
Wheels, Bearings and Lug Nuts
A loose, worn or damaged wheel bearing is the most
common cause of brakes that grab.
To check wheel bearings, jack trailer and check wheels for
side-to-side looseness. If the wheels are loose, or spin
with a wobble, the bearings must be serviced or replaced.
Check inflation pressure weekly during use to insure the
maximum tire life and tread wear.Most trailer axles are built
with sealed bearings that are not serviceable. Sealed
bearings must be replacedas complete units.
NEVER! use an pneumatic air gun
to tighten wheel lug nuts.
WARNING — Lug Nut Tightening
Over-tightening lug nuts will result in breaking the studs
or permanently deforming the mounting stud holes in
the wheels.
WARNING — Lug Nut Inspection
Lug nuts are prone to loosen after initial installation,
which can lead to death or serious injury. Check all
wheel lug nuts periodically.