COATS 6060 AX/EX Tire Changer - Manual (Page 9)

INFLATION
Tire inflation is performed in three steps: bead seal,
bead seat, and inflation. These steps are explained
in detail on page 13. Read the explanation of each
step and understand them thoroughly before
proceeding.
Check for proper inflation
gauge operation.
Accurate pressure
readings are important to safe tire inflation.
Refer to the Operating Maintenance section of
this manual for instructions.
If the rim has been
clamped from the outside
for tire mounting, release
the clamps, lift the tire, and move the clamps to
the center of the table top.
If the wheel/tire has a
diameter larger than 14
inches and is difficult to
bead seal, the clamps should be moved to the
center of the table top for the bead seal
operation.
Tire failure under
pressure is hazardous.
This tire changer is not
intended to be a safety device to contain
exploding tires, tubes, wheels, or supplemental
bead sealing equipment that may be attached to
the tire/wheel assembly. Inspect tire and wheel
carefully for match, wear, or defects before
mounting. Always use approved tire bead
lubricant during mounting and inflation.
The inflation pedal, located at the
rear of the left side of the machine,
controls the flow of air through the
bead sealing jets and the inflation
hose to achieve bead seal.
The bead seating/inflation hand
control valves are located on the
back side of the
Inflation Guard.
These valves control
air pressure flow
through the inflation
hose.
NOTE: The clip-on
chuck on the end of
the hose should always be an open style with all
parts in proper working order. On open style
chuck is on that allows air flow when not
attached to a valve, and will flow air when the
foot valve or hand valves are actuated.
Use the bead seal pedal
for bead sealing only. Do
not use this control to
bead seat or inflate the tire. Inflating the tire with
this feature bypasses the pressure liminting
features and could lead to over inflation and
possible tire explosion. Do not use this pedal
without a tire and wheel positioned on the table
top. Dirt and debris could be blown into the air
with enough force to injure the operator or
bystanders.
S. The unit is equipped with a pressure limiter to
assist the operator with proper tire inflation. When
the inflation valves are pushed open simultaneously
and held, the pressure limiter cycles the air flow on
and off, checking the tire pressure during the off
cycle. This cycling helps to prevent over inflation of
the tire. Tires can still be over inflated and explode
with the use of this pressure limiter if all of the
instructions in this manual are not followed
completely. The pressure limiter will keep most car
and light truck tires from inflating beyond 60 PSI
(smaller tires may reach higher pressures). It is the
operator's responsibility to follow all instructions and
to control inflation pressure as specified in these
instructions. Check the function of the pressure
limiter regularly and maintain it according to the
instructions provided in this manual for safe and
proper operation. Do not tamper with or attempt to
adjust the pressure limiter. Tires requiring inflation
beyond 60 PSI should be inflated in an inflation
chamber/safety cage, or securely mounted on the
vehicle if such a device is not available.
Bead Sealing
1. Position valve stem in front of operator and
connect the inflation hose. Hold tire up against
upper edge of the wheel. Be sure tire’s top bead
is over the bottom of the valve stem (Figure 17).
Figure 17 - Lift Tire Upwards for Bead Sealing
2. Depress the bead seal pedal and hold for about
2 seconds. The blast of air from the jets will
expand the tire and seal the beads to the rim.
3. Release the bead seal pedal. Verify that both
beads are completely sealed to the wheel.
Repeat these steps if beads have not sealed. It
may be necessary to wait a few seconds for the
air storage tank to recover before attempting
again.
COATS 6060AX/EX Rim Clamp Tire Changer • 7
Bead Sealing
CAUTION
CAUTION
CAUTION
DANGER
CAUTION