TM-9-2330-335-14-P
SEMITRAILER, TACTICAL, BREAKBULK/CONTAINER TRANSPORTER, 22-1/2 TON, RESET M871R, M871A1R AND M871A2R
TECHNICAL MANUAL; FIELD AND SUSTAINMENT MAINTENANCE MANUAL (INCLUDES REPAIR PARTS AND SPECIAL TOOLS LIST)
SEPTEMBER 2008
TM-9-2330-335-14-P - Page 541 of 640
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TM 9-2330-335-14&P
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FIELD AND SUSTAINMENT MAINTENANCE
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10 TIRE TIPS
The following information was developed from commercial analysis and is presented to give a better understanding of the
preventive maintenance.
1.
A 15% under-inflation of a tire can result in:
a.
An 8% drop in tread wear (mileage)
b.
A 2.5% drop in fuel mileage
c.
Proper inflation drastically reduces tire blowouts.
2.
On the average, a tire in good condition, properly sealed, just sitting in place, will lose 2 psi (14 kPa) of air pressure
per month.
3.
Inflation pressure run just 10% under recommended tire pressure can cause casing to be unfit for re-treading.
4.
Dual wheels:
a.
Matching and matting are very important
b.
Never use a bias ply and a radial tire on the same wheel position
5.
Mismatching causes:
a.
The larger diameter tire to become overloaded
b.
Overheating
c.
Loss of traction on smaller diameter tire
d.
Irregular wear
e.
Tread or ply separation
f.
Tire body breaks
g.
Blowouts
6.
Repair punctures from inside of tire.
7.
Remove the tire before the tread depth reaches 2/32 in. (1.6 mm).
8.
Inflated tires can have an internal pressure force of 40,000 lb (275,800 kPa).
9.
After just 50 to 100 miles (80 to 160 km) of service on a new vehicle or new tires, re-torque wheel nuts.
10. A tire cage is a must and could save a life.
END OF WORK PACKAGE
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