Novag -2K Service Manual
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Novag -2K Service Manual

2k pumping system non-heated
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Service Manual
2K Pumping System
Non-Heated
Issue 1.6 23/03/20
Ref. NR-00026-ENG
Before installing the unit and starting it up, read all the technical and
safety documentation included in this manual carefully. Pay special
attention to the information to know and understand the operation and the
conditions of use of the unit. All of the information is aimed at enhancing
User Safety and avoiding possible breakdowns derived from the incorrect
use of the unit.

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Summary of Contents for Novag novaG-2K

  • Page 1 Service Manual 2K Pumping System Non-Heated Issue 1.6 23/03/20 Ref. NR-00026-ENG Before installing the unit and starting it up, read all the technical and safety documentation included in this manual carefully. Pay special attention to the information to know and understand the operation and the conditions of use of the unit.

  • Page 2: Warranty

    – 2K Service Manual WARRANTY HI-TECH SPRAY EQUIPMENT, S. A. (hereinafter “HI-TECH”) provides this LIMITED WARRANTY (hereinafter “Warranty”) to the original purchaser (hereinafter “Customer”) covering this equipment and the original HI-TECH manufactured accessories delivered with the equipment (hereinafter “Product”) against defects in material or workmanship of the Product (hereinafter “Defect”...

  • Page 3: Safety And Handling

    Keep this Service Manual for future consultation of useful information at all times. If you lose this manual, ask for a new copy from your NOVAG local distributor or directly contact NOVAG SPRAY EQUIPMENT, S.A.
  • Page 4 – 2K Service Manual When working with the unit, it is recommended that the operator wear suitable clothing and elements of personal protection, including, without limitation, gloves, protective goggles, safety footwear and face masks. Use breathing equipment when working with the machine in enclosed spaces or in areas with insufficient ventilation.

  • Page 5: Characteristics

    Service Manual CHARACTERISTICS The novaG-2K proportioning unit has been designed and built for the application of Polyureas, chemical systems for polyurethane foaming, and some two-component Epoxy systems. Its reduced size allows easy transport to site. Its easy operation (simply turn the valve switch) reverts into time saving during set up and application.

  • Page 6: Technical Specifications Novag-2K

    – 2K Service Manual TECHNICAL SPECIFICATIONS NOVAG-2K Electrical Main Voltage: ________________________________________________________________ - Frecuency: __________________________________________________________________ - Electrical Consumption: ________________________________________________________ - Heater Power:________________________________________________________________ - Transformer Active Power: ______________________________________________________ - Total Active Power: ___________________________________________________________ - Mechanical Maximum Working Pressure (air supply 9 bar): _________________________ 200 bar (20 MPa)

  • Page 7: General Description

    – 2K Service Manual GENERAL DESCRIPTION . General Description novaG-2K Figure 1 7/23 Issue 1.6 Ref. NR-00026-ENG http://www.novag.eu/...
  • Page 8 – 2K Service Manual 1. Pneumatic Control Controls and regulates the operation of the unit. 2. Isocyanate Proportioning Pump Meters the Isocyanate. 3. Polyol Proportioning Pump Meters the Polyol. 4. Cycle Counter Counts cycles. It is increasing and can ve reset by pressing the RESET key which is located at left of the numeric counter.

  • Page 9: Installation

    – 2K Service Manual INSTALLATION CAUTION! Use suitable protection and follow the recommendations in the safety information provided by product suppliers when installing or working with the unit. Follow the recommended procedure in the indicated order to install the unit: a) Fill the Isocyanate pump lubricating cup with DOTP plasticizer.
  • Page 10 – 2K Service Manual Assure the proper mechanical connection of the hoses to avoid possible product leakage. a) Connect the air hoses. b) Connect the hoses to the connectors of the coupling block of the gun, making sure that the manual valves are closed.

  • Page 11: Start-Up Procedures

    – 2K Service Manual START-UP PROCEDURES Follow the recommended procedure in the indicated order. PRECAUTION! The start-up procedures assume that all of the necessary adjustments have been correctly performed. a) Check the state of the DOTP plasticizer in the Isocyanate pump lubrication cup.

  • Page 12: Daily Shutdown

    – 2K Service Manual DAILY SHUTDOWN Follow the recommended procedure in the indicated order: a) Turn the RETRATC valve. b) Use the gun to project into a waste container until the Isocyanate proportioning pump is in the retract position and the pressure begins to fall.

  • Page 13: Cleaning

    – 2K Service Manual CLEANING To avoid possible contamination, the circuits of the unit must be flushed clean (pumps and hoses) whenever applications have to be made that require a change of components. Follow the recommended procedures in the order indicated to perform the cleaning: a) Place two drums of DOTP cleaning agent close to the machine.

  • Page 14: Long Term Shutdown Procedures

    – 2K Service Manual LONG TERM SHUTDOWN PROCEDURES When you plan to shut down the machine for more than FOUR weeks, the products contained in the machine must be replaced by DOTP plasticizing agent. Follow the recommended procedures in the order indicated: a) Turn the air supply valve OFF (transversal to the flow air direction).

  • Page 15: Troubleshooting

    Service Manual TROUBLESHOOTING The novaG-2K unit has been designed and built to withstand severe working conditions with a high degree of reliability, provided it is used suitably. This chapter contains information on possible faults that may prevent the continuation of work with the unit. The information provided must serve as guideline to detect and resolve the large majority of the problems before calling for the assistance of the authorized distributor or HI-TECH technical service.

  • Page 16: Proportioning Pumps

    – 2K Service Manual Proportioning Pumps WARNING! Before resolving any kind of defect, make sure all of the pushbuttons are off, that the general switch is in shutdown position and that the unit is disconnected from the pneumatic supply source.
  • Page 17 – 2K Service Manual To determine if the decompensation occurs as a result of an obstruction or as a result of a problem in the pumping system, project with the gun, observe the pressure indicated by the manometer corresponding to the missing component and compare it with the pressure indicated...

  • Page 18: Maintenance

    – 2K Service Manual MAINTENANCE To achieve maximum output from the novaG-2K unit, certain daily or regular maintenance operations are needed. To prevent all possible body harm caused by incorrect handling of the raw materials and solvents used in the process, carefully read the safety information provided by your supplier.

  • Page 19: Proportioning Pumps

    – 2K Service Manual Proportioning Pumps WARNING! Before resolving any kind of defect, make sure all of the pushbuttons are off, that the general switch is in shutdown position and that the unit is disconnected from the power supply source. Never handle the inside of the control panel with the unit connected to the power supply.

  • Page 20: Inlet Supply Filters

    – 2K Service Manual Inlet supply filters The filter bodies have a filter screen that prevents solid particles from entering the unit. Inspect the filters each day as part of the machine start-up, and clean them. Replace the filter screen if necessary.

  • Page 21: Isocyanate Pump Lubrication System

    – 2K Service Manual Isocyanate pump lubrication system Each day, inspect the lubrication cup of the Isocyanate pump and check the state of the DOTP plasticizing oil. Replace the oil when it shows changes in color or signs of solidification.

  • Page 22: Table Of Contents

    Service Manual CONTENTS Warranty _____________________________________________________ 2 Safety and Handling ____________________________________________ 3 Characteristics ________________________________________________ 5 Proportioning Pumps ______________________________________________ 5 Technical Specifications novaG-2K _______________________________ 6 Electrical _______________________________________________________ 6 Mechanical _____________________________________________________ 6 General Description ____________________________________________ 7 Installation ___________________________________________________ 9 Start-up procedures ___________________________________________ 11...

  • Page 23: List Of Illustrations

    – 2K Service Manual LIST OF ILLUSTRATIONS Figure 1. General Description novaG-2K ___________________________ 7 Figure 2. Method of union of the Hoses ____________________________ 9 23/23 Issue 1.6 Ref. NR-00026-ENG http://www.novag.eu/...

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