Figure 7-23.--Operator position while servicing tire.
valve stem. Be sure the inner tube is not being pinched
valve to prevent overpressurization of a tire during
between the tire bead and the wheel flange. On
inflation. The relief valve should to be set at 20 psi
demountable flange wheels, be sure the demountable
above the maximum pressure required. It should also be
flange and locking ring are seated properly. Secure the
sealed with a "calibration void if seal broken" decal.
safety cage door and inflate the tire to its maximum
The needs of each activity will be different, depending
operating pressure. This will seat the tire beads against
on the type of aircraft supported. For example, an
organizational activity with a single type of aircraft will
only need a single inflator assembly. An activity with
multiple types of aircraft will need an inflator assembly
preset for each type of aircraft, based on the required
pressure. Intermediate activities (tire shops) should use
two gauge elements. One element for use on tires in the
range of 10 to 150 psi. Another for a second inflator
with relief pressure set at 500 psi for tires ranging from
136 to 480 psi. The inflator assembly controller relief
pressure should be clearly labeled or marked. The
carrying case should be labeled with the type of aircraft
for which the relief valve is set. Figure 7-23 shows the
operator's position while servicing tires installed on an
aircraft.
After the buildup of a new tire at an AIMD or IMA,
it should be placed in a safety cage for inflation. A
typical safety cage is shown in figure 7-24. The method
of inflation used depends on whether a tube or tubeless
tire is being inflated.
To inflate tube tires, you should remove the valve
core and place the wheel assembly in the safety cage.
Figure 7-24.--Inflation safety cage with aircraft tire
Attach a remote tire inflation gauge assembly to the
inflator/monitor attached.
7-19
