Wheel And Tires - Triumph TR6 1976 Handbook

W H E E L S AND TIRES
Tires
Wheels and tires, of correct types and pressures, are an
integral part of a vehicle's design. Thus the regular maintenance
of the tires contributes not only to the safety but to the designed
functioning of the vehicle, as road holding steering and braking
are especially vulnerable to the use of incorrect l y pressurised,
badly fitted or worn tires.
Pressures
Adjust tire pressures in accordance with the recommendations
given below. These pressures are satisfactory for sustained
speeds up to 112 m.p.h. (180 km.h.).
Front Rear
185 SRI5 G800 20 lblin.2 24 lbIin.2
185 SRI5 X (1.40 kg/cmz) (1.68 kg/cmz)
NOTE: Should the vehicle be tuned to increase its maximum
speed, or be used for racing, consult the respective tire
company regarding the need for tires of full racing
construction.
Never bleed a warm tire but always adjust the pressure whilst
the tires are cold, i.e. before a run. As the tires warm up their
pressures will increase.
To prolong tire life, avoid severe braking, sudden changes of
direction at speed, and driving over or against high kerbstones,
as this can result
in
severe damage to the tire walls. Examine the
tires occasionally and remove flints or other road matter which
may have become embedded in the treads.
CIeoning
Wipe off any oil or grease which may be on the tires by using
a cloth moistened in gasoline. The tires should then be washed,
using only soap and water.
Tie Wear
The characteristics of tires vary considerably and, therefore
when new tires are fitted, all four tires must be of the same type
and rating. (185-15 radial ply).
Occasionally remove flints and other road matter from the
treads and exanline the tires for sharp fins, flats and other
irregularities. An upstanding sharp fin on the edge of each
pattern rib is a sure sign of road,wheel misalignment (Fig. 1).
Fins on the inside of the pattern ribs indicate toe-in. Fins on
the outside edges indicate toe-out. Sharp pattern edges may also
be caused by road camber, even when wheel alignment is correct.
In such cases, it is better to make sure by having the track
checked with an alignment gauge.
"Spotty" tread wear or flats. can result from grabbing brakes 1
or unbalanced wheel assemblies. Your Triumph Dealer
will check the action of the brakes and re-balance the tires if
required. The original degree of balance is not necessarily
maintained, and it may be affected by uneven tread wear, by
repairs, by tire removal and refitting, or by wheel damage and
eccentricities. The vehicle may also become more sensitive to
unbalance due to normal wear of moving parts.