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MAYCO LS600 PUMP — OPERATION AND PARTS MANUAL — REV. #4 (9/15/11) — PAGE 59
LS600 PUMP — TRAILER SAFETY GUIDELINES
Figure 58. UTQGS Tire Information
Reference Figure 58 for additional tire information for light
trucks.
Tires for light trucks have other markings besides those
found on the sidewalls of passenger tires.
LT: The “LT” indicates the tire is for light trucks or trailers.
ST: An “ST” is an indication the tire is for trailer use only.
Max. Load Dual kg (lbs) at kPa (psi) Cold: This information
indicates the maximum load and tire pressure when the
tire is used as a dual, that is, when four tires are put on
each rear axle (a total of six or more tires on the vehicle).
Max. Load Single kg (lbs) at kPa (psi) Cold
This information indicates the maximum load and tire
pressure when the tire is used as a single.
Load Range
This information identifies the tire’s load-carrying capabilities
and its inflation limits.
Tire Safety Tips
Slow down if you have to go over a pothole or other
object in the road.
DO NOT run over curbs or other foreign objects in the
roadway, and try not to strike the curb when parking.
Check tire inflation pressure weekly during use to insure
the maximum tire life and tread wear.
DO NOT bleed air from tires when they are hot.
Inspect tires for uneven wear patterns on the tread,
cracks, foreign objects, or other signs of wear or
trauma.
Remove bits of glass and foreign objects wedged in
the tread.
Make sure your tire valves have valve caps.
ALWAYS check tire pressure on tow vehicle and trailer
before towing. Check tire pressure at least once a
month.
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 8 below will help pinpoint the causes and solutions of
tire wear problems.
WEAR PATTERN SOLUTION
CAUSE
Center Wear
Over Inflation
Adjust pressure to
particular load per
tire manufacturer.
Edge Wear Under Inflation
Make sure load does
not exceed axle rating.
Align wheels.
Side Wear
Adjust pressure to
particular load per
tire manufacturer.
Loss of chamber
or overloading.
Toe Wear
Incorrect toe-in
Align wheels.
Cupping
Out-of balance
Check bearing adjust-
ment and balance tires.
Flat Spots
Wheel lockup &
tire skidding.
Avoid sudden stops
when possible and
adjust brakes.
TABLE 7 TIRE WEAR TROUBLESHOOTING