manualshive.com logo in svg

Novag novaG-2K, Service Manual, Page: 22 / 23

Share
Download
Novag novaG-2K Service Manual Download Page 22

 

novaG 

– 2K 

Service Manual 

 

22/23 

Issue 1.6  

Ref. NR-00026-ENG 

http://www.novag.eu/

 

 

 

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

 

Daily Shutdown  ______________________________________________  12

 

Cleaning  ____________________________________________________  13

 

long term shutdown procedures _________________________________  14

 

Troubleshooting ______________________________________________  15

 

Proportioning Pumps ______________________________________________ 16

 

Maintenance _________________________________________________  18

 

Proportioning Pumps ______________________________________________ 19

 

Inlet supply filters ________________________________________________ 20

 

Isocyanate pump lubrication system __________________________________ 21

 

Contents ____________________________________________________  22

 

List of Illustrations ____________________________________________  23

 

CONTENTS 

Summary of Contents for novaG-2K

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Reviews:

No comments