Graymills TN Series Operation And Maintenance Instructions

Graymills TN Series Operation And Maintenance Instructions

Centrifugal pumps

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Centrifugal Pumps
TN, HR, HP Series
Operations and
Instructions

WARNINGS/CAUTIONS

Read all these SAFETY INSTRUCTIONS BEFORE
installing or using this equipment. Keep this manual
handy for reference/training.
• Pump may be heavy. If in doubt, take appropriate pre-
cautions.
• Motor must be grounded and suitable for the environ-
ment in which it is used. Only explosion-proof electrical
or air-operated motors can be used in a flammable envi-
ronment.
• Proper installation of electrical junction boxes is
extremely important to the electrical integrity of the
motor and electrical system.
• Never use the junction box or any other part of the
wiring/electrical system to lift or move the equipment.
This could cause a failure of the electrical system,
resulting in severe shock or death.
• Do not allow liquids to come into contact with the
motor, or any electrical components.
• Never attempt any service work while the unit is still
connected to any electrical power source.
• This pump contains rotating parts. Use caution.
"TN" Series
"HR" Series
• Air motor must have filtered and lubricated air. An air
regulator is also recommended. Order Graymills Part
Number FRL-1.
• For proper operation, maintain proper air pressure.
• Remove air supply line before doing any service on
pump or motor.
• Do not hit or attempt to straighten shaft on air motor.
•Always us the proper muffler.
• When working in or around pump, be aware of what
liquid is/has been pumped. If liquid is potentially harm-
ful, take appropriate precautions.
• Do not operate this pump or allow others to operate
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.
795-07148
GM05-05
www.graymills.com
"HP" Series

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Summary of Contents for Graymills TN Series

  • Page 1 • Air motor must have filtered and lubricated air. An air • Pump may be heavy. If in doubt, take appropriate pre- regulator is also recommended. Order Graymills Part cautions. Number FRL-1. • Motor must be grounded and suitable for the environ- •...
  • Page 2 HP and TN Series have a double-suction burn out unless overload protection has been installed. liquid intake with the pump drawing liquid through Overload protection is, therefore, recommended.
  • Page 3 Rotate impeller and REASSEMBLY check to see that it is not rubbing. TN Series With Double Suction Impellers 4. Assemble gasket and cover plate, and again check to 1. Assemble the pump body to motor.
  • Page 4 Buyer remedies (except to title) are solely and exclu- mance, nor assume any liability for equipment selection, adaptation, sively stated herein. In no case will Graymills be liable for conse- or installation. quential damages. loss of production, or any other loss incurred due to interruption of service.

This manual is also suitable for:

Hr seriesHp series

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