TM 5-2330-361-14&P
suit in weakening of the tire cords, which can make
4-40. TIRES.
the tire susceptible to further dcmqe or failure even
when under normal load and inflation conditions.
4-41. INFLATION.
See figure 4-11 for m illustration of the results of
4-42. Improper and proper inflation will produce the
underinflatian md overloading.
tire section and ground cattact character sties shown
in figure 4-9.
T i r e inflation should be checked
4 - 4 8 - DUAL MATCHING.
daily while cold. Do not exceed the cold inflation
pres-sures shown in Table 2-6. Tire inflation should
4-49. Proper matching of duals by size will result
a l s o be checked during road stops to locate air
i n longer tire life.
Improper matching will cause
losses. Also, remove my foreign obiects iammed
the larger dimneter tire to carry a overload. This
between duals. Do not attempt to a~ust the infla-
will cause the typical overloaded tire difficulties.
tion pressure while the tires are warm.
REPAIR
The smaller diameter tire will also wear more rap-
A N Y LEAKS IMMEDIATELY. All tires should be
idly due to scuffing.
equipped with valve caps.
4-43.
Either overinflation or underinflation will
cause premature tire failure. Overinflation weakens
the cord body of the tire by reducing its ability to
obsorb road shocks. O v e r i n f l a t i o n will also in&ce
added stresses on rims and wheels, which can cause
fai lure due to fatigue cracks (see figure 4-10).
4-44.
OVER INFLATION.
Inflate to correct pressure when tires are cool.
a.
b.
Never "bleed" tires to relieve excessive
pressure buildup when tires are warm.
4-45. Excessive bui Idup of air pressure can be due
to load, underinflation, speed, or a combination of
the three.
4-46.
UNDERINFLATION.
4 - 4 7 . Underinflatian causes rqtid wear and pre-
FIGURE 4-10. RESULT OF OVER INFLATED
mature failure. Underinflatian or overloading of tires
TIRES.
an my vehicle driven at sustained speeds will re-
FIGURE 4-9. PROPER TIRE INFlATION.
Change 3
4-5