COATS 4070 Tire Changer - Manual (Page 12)

8 • Important: Always read and follow operating instructions.
Inflation
Tire inflation is performed in three steps: Bead Seal,
Bead Seat and Inflation. These steps are explained in
detail on page 12. Read the explanation of each step
and understand them thoroughly before proceeding.
CAUTION
Check for proper inflation gauge operation.
Accurate pressure readings are important
to safe tire inflation. Refer to the Operat-
ing Maintenance section of this manual for
instructions.
DANGER
Tire failure under pressure is hazardous. This
tire changer is not intended to be a safety
device to contain exploding tires, tubes,
wheels, or bead sealing equipment. Inspect
tire and wheel carefully for match, wear,
or defects before mounting. Always use
approved tire bead lubricant during mount-
ing and inflation.
Figure 13 - Air-Flate Pedal Positions
The COATS Air-Flate system is operated with a three
position foot pedal (referred to as the Air-Flate pedal).
Each position of the Air-Flate pedal performs a specific
function (figure 13):
Position 1 - Tire Pressure – When foot is removed
from the pedal, it will return to this position. When the
inflation hose is attached to the tire valve, the pressure
gauge will register the pressure in the tire.
NOTE: The clip-on chuck on the end of the hose is an
important safety aid and should always be an open style
with all parts in proper working order.
Position 2 - Tire Inflation – By pressing the Air-Flate
pedal down to this first activated position, full air line air
pressure is applied to the inflation hose for tire inflation.
Remove your foot from the pedal (position 1) to read
tire pressure on the pressure gauge. See page 7 for
pressure limiter information.
Position 3 - Bead Sealing – Press the pedal down
fully and full air line air pressure is applied to the infla-
tion hose and to the bead seal jets mounted in the top
cover.
CAUTION
Use Position 3 for bead sealing only. Do not
use this position without a tire and wheel
positioned on the tabletop. Dirt and debris
could be blown into the air with enough
force to injure the operator or bystanders.
Do not use the position to inflate a tire.