Graymills Air Mixer OMI User Manual
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795-92794 04-13 Air Motor Mixer OMI
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AIR MOTOR GENERAL INFORMATION
The air motor is designed to be driven by
compressed air and under NO circumstances to
be driven by any other gases. The air motor must
not be driven by fluids, particles, solids or any
substance mixed with air, particularly combustible
or flammable substances likely to cause explosions.
Do not run mixer air motor with flammable or
explosive gases or operate the unit in an
atmosphere containing them.
The air motor is designed for compressed air
only. Do not allow corrosive gases or particulate
material to enter the motor. Water vapor, oil-based
contaminates, or other liquids must be filtered out.
EYE PROTECTION IS REQUIRED. Keep face away
from exhaust port.
PRODUCT USE CRITERIA
Normal conditions:
Operate mixer at temperatures up to 250°F
(121°C).
• Protect air motor from dirt and moisture.
• Use ONLY compressed air to drive air motor.
• Air lines connected to air motor should be the same size
or the next size larger than the inlet port for efficient output
and speed control.
• Protect all surrounding items from exhaust air to avoid oily
build-up on components.
• Bearings are grease packed. No maintenance is required.
• Use a detergent SAE#10 automotive engine oil for lubricat-
ing.
SAFETY INSTRUCTIONS
When mixing flammable or combustible materials,
a Static Protection Kit must be used. Order
Graymills Part No. 790-100835.
• Improper environment, installation and operation can result
in severe personal injury and/or damage to property.
• Qualified personnel must perform all work to assemble,
• When using mixer, be aware of what liquid is/has been
mixed previously. If liquid is potentially harmful, take ap-
propriate precautions, including wearing personal protec-
tive clothing.
• Read and follow all safety instructions supplied with the
fluids/inks you will be mixing.
• This mixer has rotating parts. Use caution.
• Air motor must have filtered and lubricated compressed air.
For proper operation, maintain the correct air volume and
do not exceed 100 PSI (7 bar).
• Be sure all fittings and connections are properly tightened
before use.
• Shut off and then remove air supply before doing any service
on mixer or motor.
• Wear eye protection and appropriate safety gear when us-
ing mixer.
• Do not operate mixer or allow others to operate mixer
until the instructions and warnings have been read and are
understood by all people involved.
Never work with equipment you feel may be
unsafe. Contact your Supervisor immediately.
• Check the site to make sure that the air motor will be ad-
equately ventilated and that there is no external heat input.
The cooling air may not exceed 104°F/40°C.
• Check that the air motor is not damaged.
INSTALLATION AND OPERATION
Correct installation is your responsibility. Make sure you have
the proper installation conditions. Contact Graymills Customer
Service (773-248-6825) if you have any questions.
• Check the site environment for potentially explosive oils,
acids, gases, vapors or radiation.
• Improper environment, installation and operation can result
in severe personal injury and/or damage to property.
• Qualified personnel must perform all work to assemble,
install, operate, maintain and repair air motor.
• Follow these instructions and the warning and information
labels on the motor and all other drive configuration docu-
ments, startup instructions and circuit diagrams.
• Follow all current applicable national and regional specifi-
cations regarding explosion protection, safety and accident
prevention.
• Check the ambient temperature of the site and the ability to
maintain proper ambient temperature.
• Air stream from product may contain solid or liquid materi-
als that can result in eye or skin damage.
• Wear hearing protection as needed. Sound level from mo-
tor may exceed 85 db(A).
• Failure to follow these instructions can result in eye injury
or other serious injury.
• Place mixer in liquid before starting.
• Make sure mixer is firmly attached to container before
starting.
We recommend that you obtain the Graymills lid
made specifically for this mixer system.
• Do not attach air line until mixer is in fluid and you are
ready to begin mixing.
• Operator should wear eye protection (and appropriate
personal protective clothing).
• Do not use mixer with liquids containing solids that could
damage propellers or motor.
• Ensure unit has adequate access to airflow for motor cool-
ing.
1. Mixer is assembled except for mounting hardware.
2. Remove propeller if necessary to insert shaft through tank
lid.
3. Reattach propeller and tighten locking set screw when in
place.
4. Immerse mixer propeller in liquid to be mixed, ensuring it is
submerged sufficiently to prevent splashing.
5. Secure motor mounting plate to tank lid.
6. Connect lines to motor in the proper direction.