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INSTRUCTION MANUAL
FOR INSTALLATION,
OPERATING,
AND MAINTENANCE.
Pump
SERIES GM
This manual should be made available to the person responsible for installation,
operating and maintenance.
Date : 06/2005
O / Ref : 160.0708.001. Rev. C

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Summary of Contents for Dosapro Milton Roy GM Series

  • Page 1 INSTRUCTION MANUAL FOR INSTALLATION, OPERATING, AND MAINTENANCE. Pump SERIES GM This manual should be made available to the person responsible for installation, operating and maintenance. Date : 06/2005 O / Ref : 160.0708.001. Rev. C...
  • Page 3: Table Of Contents

    CONTENTS I – DESCRIPTION I - 1. Unpacking and storage I - 2. Description I - 3. Operating principle of the pump I - 4. Accessories I - 5. Safety and health instructions II – INSTALLATION II - 1. Hydraulic installation II - 2.
  • Page 5: I - 1. Unpacking And Storage

    GM001GB PART I - DESCRIPTION I - 2. DESCRIPTION I - 1. UNPACKING AND STORAGE UNPACKING The GM pump is a compact electromechanical metering pump that is life-lubricated with oil in a sealed housing, The packaging must be carefully examined on receipt in with capacity adjustment in operation or when stopped.
  • Page 6: I - 3. Operating Principle Of The Pump

    GM001GB I - 3. OPERATING PRINCIPLE OF THE PUMP See Figures 1.3b and 1.3c Fig. 1.3b : Setting to zero stroke Suction phase Discharge phase Fig. 1.3c : Setting to maximum stroke Worm Diaphragm Tangential wheel Stroke = two times the distance between (A) and (B) Eccentric Position at rear neutral point Connecting rod...
  • Page 7: I - 4. Accessories

    GM001GB 1 - 5. SAFETY AND HEALTH I - 4. ACCESSORIES INSTRUCTIONS See Figure 1.4a. The personnel responsible for installing, operating and Certain accessories are supplied as standard maintaining this equipment must become acquainted equipment or as options, as applicable. with, assimilate and comply with the contents of this manual in order to: •...
  • Page 8: Installation

    GM002GB PART II - INSTALLATION II - 2. DRIP COLLECTION II - 1. HYDRAULIC INSTALLATION Provide for outlets so that any leak or drips can be All the information concerning the hydraulic installation easily drained off without any danger. This is especially of a metering pump is detailed in a volume, important in the case of harmful liquids.
  • Page 9 GM002GB Tank Injection nozzle Foot valve (equipped with a filter) Shutt-off valve Metering pump Filter Utilization Pulsation dampener Provide for a safety valve on the discharge circuit in case of a stainless steel liquid end Fig. 2.1a : Diagrams of typical installations...
  • Page 10 GM002GB II - 5. ELECTRICAL INSTALLATION For connection in SINGLE-PHASE mode, Mono see Figure 2.5d. CONNECTING THE MOTOR Replace the existing wires with those of your electrical Check the specifications of the motor and compare power supply. them with the voltage available on your installation before making connections.
  • Page 11: Start Up

    GM003GB PART III - START UP III - 1. PROCEDURES BEFORE III - 3. FAILURES ON START UP START UP PROBLEMS WITH MOTOR Special care has to be taken for chemicals used in the process (acids, bases, oxiding/reducing solutions, ...). The motor runs with difficulty and heats up.
  • Page 12 GM004GB PART IV - ROUTINE MAINTENANCE IV-1. GENERAL • For the sake of simplicity, the procedures described do not mention the washers fitted with fasteners (such as screws and nuts). Do not forget to reinstall washers after removing them. • Verify that parts are undamaged before reinstalling.
  • Page 13: Maintenance

    GM004GB A model maintenance sheet is shown in Figure 3.4a to help you ensure follow-up of your servicing actions (checking or maintenance). MAINTENANCE SHEET Pump code S/N. : Liquid pumped Date of commissioning Service Operation Date Hours Remarks Fig. 3.4a : Model Maintenance Sheet...
  • Page 14 GM004GB the « seat - ball » assembly or of the injection nozzle. IV-3. ROUTINE MAINTENANCE • Insert a ball seat [5] (taking care to comply with the fitting direction), the O-ring [1],a ball [4] and OCCURRENCE OF A LEAK FROM DETECTION a spring [3] (see note below) in the valve body PORT seat [6].
  • Page 15 GM004GB PROBLEMS WITH FLOW RATE The tangential wheel is faulty. Replace the « wheel - connecting rod »] (see Part VI). The pump produces no flow A bearing is faulty. Provide for the replacement of either the « wheel - connecting rod » or the ball beraing [404)(see Part VI).
  • Page 16: Assembly / Disassembly Of The Check Valve

    V Assembly/Disassembly of the check valves GM005GB Drawing : 1066105100D01 rev00 Disassembly Assembly 1. Unscrew the part [6] Fit the parts [5],[4],[3] in the valve assembly body [6] (taking care to the assembly direction of the carbridge). 2. Remove the parts [2],[3],[4],[5] 2.
  • Page 18: 1. Assembly / Disassembly Of The Diaphragm

    V-1 Assembly / Disassembly of the diaphragm GM005-1GB Drawing 1066105100D02 rev00 Disassembly Assembly Torque value Liquid end size 1 & 4 [103] 3 m.N 10 m.N 7 m.N 1. Unscrew the screw [103]. 1. Screw the diaphragm [31] fully home. 2.
  • Page 20 V-2 Assembly / Disassembly of the secondary diaphragm Drawing 1066105100D04 rev01 GM005-2GB Disassembly Assembly Position Torque value Perform the following steps before this operation : [435A] 3 m.N [019] Mechanicam stop If the housing was drained, refill it (see Chapter LUBRICATION), with the pump being laid onto the 1.
  • Page 22 VI Assembly / Disassembly of the adjusting knob GM006GB Drawing 1066105100D05 rev00 Disassembly Assembly Position Torque value [700A] Mechanical stop 1. Remove the part [053] 1. Turn the part [056] in the negative direction until mechanical stop 2. Unscrew the screw [700A] 2.
  • Page 24: Assembly / Disassembly Of The Motor

    VI-1 Assembly / Disassembly of the motor GM006-1GB Drawing 1066105100D06 rev00 Disassembly Assembly Position Torque value [435] Mechanical stop 1. Unscrew the screws [435] 1. Fit the parts [438],[081] 2. Remove the motor [028] 2. Fit the motor [028] 3. Remove the part [438] 3.
  • Page 26: Assembly / Disassembly Of The Mechanical Assembly

    VI-2 Assembly / Disassembly of the mechanical assembly GM006-2GB Drawing 1066105100D03 rev00 Disassembly Assembly Position Torque value [435A] Mechanical stop 1. Unscrew the screws [435A] 1. Fit the parts [072],[438B],[438A] 2. Remove the whole from the housing 2. Oil the thread of the whole [A] 3.
  • Page 28 TECHNICAL CHARACTERISTICS GM10 GM25 GM50 GM90 GM120 GM170 GM240 GM330 GM400 GM500 Code of pump Max. flow rate in l/h Refer to the characteristics plate Steady state accuracy (flow ± 3 % ± 1,5 % rate between 10 % and 100 Max.
  • Page 29 DIRECTIVA DO CONSELHO DO DIA 22 DE JUNHO DE 1998 (98/37/CE) NO QUE SE REFERE À APROXIMAÇÃO DAS LEGISLAÇÕES DOS ESTADOS MEMBROS RELATIVAS ÀS MÁQUINAS. Nós, DOSAPRO MILTON ROY 27360 PONT SAINT PIERRE FRANCE declaramos que o material designado em seguida : está em conformidade com a directiva "máquinas" sob reserva que a instalação, utilização e manutenção sejam efectuadas seguindo as regras da arte e segundo as prescrições da nota de instruções.
  • Page 30 SERIE SERIAL TYPE SERIEN SERIEÄ TIPO TYYPPI ΣΕΙΡΑΣ ΤΥΠΟΣ SARJA D2 / D4 / D6 / D10 / D17 / D34 / D50 D120 / D170 / D220 Pulse D6 / D10 / D17 / D34 / D50 D120 / D170 F200 / F400 / F600 GA / GC / GB / GM GA / GC...
  • Page 31 GUARANTEE The vendor guarantees his products according to the D.M.R. general conditions of sale. The guarantee for components and sub-assemblies not fabricated by the vendor is limited tothat given by the supplier. The vendor’s guarantee only covers the replacement or the repair, at his cost and in his factory, of all parts acknowledged by his technical services as being defective due to an error in conception, of material or of execution.
  • Page 32 FRANCE ASSISTANCE TECHNIQUE : Tél. 33.(0.2.32.68.30.02 Fax . 33.(0)2.32.68.30.96 PIECES DE RECHANGE : Tél. 33 (0)2.32.68.30.01 Fax . 33.(0)2.32.68.30.92 ACCUEIL : Tél. 33.(0)2.32.68.30.00 Fax . 33.(0)2.32.68.30.93 10 Grande Rue 27360 Pont-Saint-Pierre ,France www.dosapro.com email: contact@dosapro.com ESPAÑA ASISTENCIA TECNICA Y PIEZAS DE REPUESTOS : Tél.

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