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Novag novaG-2K Скачать руководство пользователя страница 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. 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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Содержание novaG-2K

Страница 1: ...ad 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...

Страница 2: ...se of heating devices pumping equipment dispensers or other parts or accessories with the Product that have not been approved or manufactured by HI TECH Failure to follow the operating instructions an...

Страница 3: ...shes information to alert on a situation that might cause serious injuries if the instructions are not followed CAUTION establishes information that indicates how to avoid damage to the unit or how to...

Страница 4: ...andling of the raw materials and solvents used in the process carefully read the safety information provided by your supplier Deal with the waste caused according to current regulations Disconnect the...

Страница 5: ...imply turn the valve switch reverts into time saving during set up and application Proportioning Pumps Comprises two positive displacement piston pumps driven by a pneumatic motor The system includes...

Страница 6: ...al Active Power ___________________________________________________________ Mechanical Maximum Working Pressure air supply 9 bar _________________________ 200 bar 20 MPa Maximum Production Ratio 1 1 _...

Страница 7: ...novaG 2K Service Manual 7 23 Issue 1 6 Ref NR 00026 ENG http www novag eu Figure 1 General Description novaG 2K GENERAL DESCRIPTION...

Страница 8: ...circulation valve Open Close the recirculation from ISO Pump to external ISO tank 11 Polyol Recirculation valve Open Close the recirculation from POL Pump to external POL tank 12 Retract Valve Sets th...

Страница 9: ...red Isocyanate and blue Polyol enabling them to be rapidly distinguished To avoid errors in connecting the coupling connectors of the Isocyanate and Polyol hoses the connectors are of different sizes...

Страница 10: ...n to the external ISO tank Before using the unit the retained air and the residual oil from the operating tests made in the factory must be eliminated To purge the whole circuit proceed as follows a O...

Страница 11: ...ressure for the decreasing cycle of the proportioning pumps first and then adjust the pressure for the increasing cycle A little pressure imbalance between the increasing and the decreasing cycle of t...

Страница 12: ...ON To avoid possible product leakage and early failure of the pump seals the pressure must not be reduced to zero It is recommended to keep the system with a minimum pressure of 30 bar 400 psi to exte...

Страница 13: ...gather up the products contained inside the machine e Open the manual valves on the coupling block f Turn the RETRATC valve g Turn the air supply valve the proportioning pumps will move h Allow the pr...

Страница 14: ...block to gather up the products contained inside the machine f Open the manual valves on the coupling block and turn the air supply valve the proportioning pumps will move g Allow the products to come...

Страница 15: ...and put the operator at risk To prevent possible bodily harm caused by incorrect handling of the raw materials and solvents used in the process carefully read the safety information provided by your s...

Страница 16: ...ost in a descending direction check the aspiration ball valve lower valve Proceed as follows to check the ball checks a Disconnect the machine from the pneumatic supply and close all supply valves and...

Страница 17: ...nt the products from being maintained at a minimum temperature of 12 C auxiliary heating elements must be used to condition the products as the minimum temperature required for the transfer b The prod...

Страница 18: ...g out any operation of mantinence To avoid damage caused by the impact of pressurized fluids do not open any connection or perform maintenance work on components subject to pressure until the pressure...

Страница 19: ...e of the new components please refer to tables 16 in the Service Manual NR 00025 for p n of the different models and sizes Also inspect the lower and upper ball and the seat assembly looking for wear...

Страница 20: ...of absorption of moisture and the possibility of contamination through the reaction with the solvent used in the cleaning operation To check the product inlet filters proceed as follows a Disconnect t...

Страница 21: ...of Isocyanate that lies on the pump shaft during the pumping operation If the gaskets and the seals are in a good state the plasticizing oil will not have to be changed so frequently To replace the pl...

Страница 22: ...__________________________ 9 Start up procedures___________________________________________ 11 Daily Shutdown ______________________________________________ 12 Cleaning _______________________________...

Страница 23: ...Manual 23 23 Issue 1 6 Ref NR 00026 ENG http www novag eu Figure 1 General Description novaG 2K ___________________________ 7 Figure 2 Method of union of the Hoses ____________________________ 9 LIST...

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