12 • COATS 4050A Tire Changer
Lower Shoe Setting
Check the lower shoe setting periodically to make
sure that it operates properly and does not contact
the wheels.
1.
Place a 15” steel wheel on the machine and
secure with the centering cone.
NOTE: Make sure the wheel is centered.
2.
Depress the foot pedal and run the lower shoe
up to 45 degrees above the radius of the lower
rim flange. Refer to figure 29.
3.
Use your left hand to push against the shoe as
forcefully as possible.
4.
Measure the gap between the closest point of
the shoe and the rim flange. The ideal
measurement is between 1/16” and 1/8”.
• If the shoe contacts the rim, add another shim.
• If the gap is smaller than 1/16”, add another shim.
• If the gap is larger than 1/8”, remove one shim.
IMPORTANT: A high setting (greater than 1/8”) is
more desirable than a low setting (less than 1/16”).
If additional shims are required, a Shim Kit (part
#8101506) is available.
Routine Maintenance
A. Keep work surface clean. Pay special attention
to the top of the machine.
B. Clean and wipe down the machine on a regular
basis.
C. Clean the gauge lens frequently with glass
cleaner.
D. Make sure all fasteners are tightened securely.
E. Make certain that all guards and covers are in
place.
F.
Check for worn, damaged, or missing parts
(including grips, warnings, instructions, and
protective covers). Replace before allowing unit to
be used.
G. Inspect the unit on a daily basis. Check that all
systems and functions are operating normally.
Detailed inspection and testing procedures are
specified for various components at regular
intervals. Set up a chart and assign responsibility
for these items.
These instructions will
help you service the unit.
Instructions are for a
person with some mechanical ability and training.
No attempt has been made to describe all basic
steps. For example, how to loosen or tighten
fasteners. Also, basic procedures such as how to
cycle systems and check operation of the
equipment are not fully described since they are
known to anyone who does mechanical and service
work. Do not attempt to perform work beyound
your ability, or at which you have no experience.
If you need assistance or technical support, contact
an authorized COATS Service Center, or The
COATS Company Service Department at (800) 688-
6359.
CAUTION
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