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Chemical Reaction Disclaimer

The user must exercise primary responsibility in selecting the product’s materials of construction, which are compatible with the fl uid(s) that 

come(s) in contact with the product.  The user may consult Finish Thompson, Inc. (manufacturer) and a manufacturer’s representative/

distributor agent to seek a recommendation of the product’s material of construction that offers the optimum avail-able chemical compatibility. 

However neither manufacturer nor agent shall be liable for product damage or failure, injuries, or any other damage or loss arising out of a 

reaction, interaction or any chemical effect that occurs between the materials of the product’s construction and fl uids that come into contact 

with the product’s components.  

Safety Precautions

WARNING:

READ THIS MANUAL COMPLETELY BEFORE INSTALLING AND OPERATING THIS UNIT.  FAILURE TO FOLLOW THESE 

PRECAUTIONS CAN RESULT IN SERIOUS INJURY OR DEATH.

WARNING

:

  Magnetic fi eld hazard: This pump contains powerful magnets. Exposed magnets (pump not connected to motor) produce 

powerful magnetic fi elds. Individuals with cardiac pacemakers, implanted defi brillators, other electronic medical devices, metallic pros-thetic 

heart valves, internal wound clips (from surgery), metallic prosthetic devices or sickle cell anemia must not handle or be in the proxim-ity of the 

magnets contained inside the pump. Consult a health care provider for specifi c recommendations before working with this pump.

WARNING

:

  Magnetic force hazard.  This pump should only be disassembled and assembled using the recommended procedures.  The 

magnetic attraction is powerful enough to rapidly pull the motor end and the wet end together.  Do not place fi ngers between the mating 

surfaces of the motor and wet ends to avoid injuries.  Keep the drive magnet and impeller assembly away from metal chips or particles, items 

with magnetic stripes like credit cards and magnetic computer media such as fl oppy discs and hard drives.

WARNING:

 When pumping fl ammable or combustible liquids with a MTD Series pump it is important to follow these guidelines:

  1. You must use a PVDF pump. PVDF has conductive carbon fi bers added which allow it to be grounded when installed in    

  a properly grounded piping system or when a properly installed grounding strap is attached to a housing bolt. If PVDF is not   

  compatible with the liquid being pumped, you should consider an ETFE lined UC Series magnetic drive pump.
  2. You must select the non-sparking (Ns) bronze bump ring option. The non-sparking ring is pressed into the clamp ring or    

  motor adapter and prevents sparking should the motor bearings fail and the outer mag drive assembly runs out of round.
  3. You must select an explosion-proof FTI motor or provide your own explosion-proof motor.
When pumping non-fl ammable or non-combustible liquids in a hazardous area using a DB Series pump, it is important to take 

these guidelines: 

  1. You must select the non-sparking (Ns) bronze bump ring option. The non-sparking ring is pressed into the clamp ring or    

  motor adapter and prevents sparking should the motor bearings fail and the outer mag drive assembly runs out of round.
  2. You must select an explosion-proof FTI motor or provide your own explosion-proof motor.

Model Number and Serial Number

Record the model number and serial number below for future reference.  This is important 

information when ordering replacement parts or when technical assistance is required.  The 

numbers are found on a label located on the motor adapter.

Model Number

___________________________

Serial Number

___________________________

IMPORTANT INFORMATION - READ FIRST

CAUTION: DO NOT put fi ngers or hands between these two 

magnetic mating surfaces during assembly or disassembly.

Drive Magnet

Rear Housing

Inpeller Magnet

2

Summary of Contents for MTD Series

Page 1: ... are supplied as standard in a single phase single voltage 115V 50 60c motor with 230V as an option All other models supplied with a single phase are dual voltage 115 230V motors The factory wires all dual voltage motors for the lower voltage 115V unless otherwise requested When changing from 115V wiring to 230V wiring follow the motor manufacturer s wiring instructions which are found in the moto...

Page 2: ...drive magnet and impeller assembly away from metal chips or particles items with magnetic stripes like credit cards and magnetic computer media such as floppy discs and hard drives WARNING When pumping flammable or combustible liquids with a MTD Series pump it is important to follow these guidelines 1 You must use a PVDF pump PVDF has conductive carbon fibers added which allow it to be grounded wh...

Page 3: ...ischarge Before operating the pump ensure the electrical continuity throughout the pumping system and earth ground is 1 Ohm or less If greater than 1 Ohm re check all grounding connections Elastomer Selection Proper o ring material must be chosen for the fluid being pumped Improper material selection could lead to swelling and be a possible source of leaks This is the responsibility of the end use...

Page 4: ...he flow rate to drop below the minimum flow rate listed in the chart below Cleaning The pump must be cleaned on a regular basis to avoid dust build up greater than 5 mm Motor Rotation Test Pump must be full of liquid with no trapped air in the suction and discharge lines before the rotation of the motor is checked Do not operate pump until it is full of liquid Start Up The pump must be filled from...

Page 5: ...7 0 mm 1 8 4 5 114 0 mm 1 8 2900 rpm 50 Hz Closed Impeller Diameter Maximum Specific Gravity 184 2 mm 7 25 1 35 177 8 mm 7 1 6 165 1 mm 6 5 1 5 152 4 mm 6 1 8 139 7 mm 5 5 1 8 127 0 mm 5 1 8 3450 rpm 60 Hz Open Impeller Diameter Maximum Specific Gravity 6 152 4 mm 1 5 5 5 139 7 mm 1 8 5 127 0 mm 1 8 4 5 114 0 mm 1 8 2900 rpm 50 Hz Open Impeller Diameter Maximum Specific Gravity 181 0 mm 7 13 1 35 ...

Page 6: ...Assembly Installation and Operation MTD 5 MTD 7 1 2 MTD 10 6 ...

Page 7: ...Motor Electrical Maintenance Installation MTD 5 MTD 7 1 2 MTD 10 7 ...

Page 8: ...Disassembly Reassembly MTD 5 MTD 7 1 2 MTD 10 8 ...

Page 9: ...9 Disassembly Reassembly MTD 5 MTD 7 1 2 MTD 10 ...

Page 10: ...10 Disassembly Reassembly MTD 5 MTD 7 1 2 MTD 10 ...

Page 11: ...106764 Housing o ring EPDM opt MTD 106765 6 1 Barrier MTD 106400 MTD 106400 1 MTD 106400 MTD 106400 1 MTD 106400 MTD 106400 1 7 1 Motor adaptor standard MTD 106414 1 MTD 106414 2 MTD 106414 1 MTD 106414 2 MTD 106414 1 MTD 106414 2 Motor adaptor w non sparking ring optional MTD 106794 MTD 106794 1 MTD 106794 MTD 106794 1 MTD 106794 MTD 106794 1 7A 1 Front motor adaptor o ring Buna N standard MTD 10...

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