Complete Vacuum Degassing System Operating
Contents
1. B RTV silicone rubber Vacuum bagging infusion consumables AS Prepreg equipment and materials E Degassing chambers vacuum pumps and complete degassing systems Casting ancillaries Pattern and mould making materials Core materials Epoxy polyester and vinylester resins Starter kits for advanced processes Training courses WWW EASYCOMPOSITES CO UK Easy Composites Ltd Unit 39 Park Hall Business Village Longton Stoke on Trent Staffordshire ST3 5XA United Kingdom Tel 44 0 1782 454499 Fax 44 0 1782 596868 sales easycomposites co uk2. Degassing System please follow these simple steps to assemble the system and prepare it for first use Do NOT run the pump before you have followed these steps 1 Screw in Valve Assembly First screw the complete valve assembly into the threaded hole on the front of the degassing chamber The assembly is already fitted with PTFE tape If you need to remove and replace the valve assembly in the future replace the PTFE tape to ensure an airtight seal Rotate the assembly clockwise until it becomes tight finishing with the gauge pointing vertically up The system is supplied with a 1 5m length of 8mm ID black silicone vacuum hose Push one end of the hose onto the hose tail barb fitting on the vacuum pump and the other end onto the hose tail barb fitting on the degassing chamber First Time Use Valve Assembly Connect Hose to Pump 3 3 Fill Pump with Oil 4 Remove Dust Cap To avoid leakage during transport our vacuum pumps are supplied without any vacuum oil in them They need to be filled to the correct level using the supplied Vacuum Pump Oil before use If you have not already done so before switching the pump on be sure to remove the rubber dust cap from the exhaust chimney Follow the instructions below according to the model of vacuum pump included with your degassing system Vacuum Pump VP425 Vacuum Pump VP4300 The rubber cap can be left off the pump in future or replaced for longer term s
3. rising out of the material proceed with the following close and re pressurise steps 7 Close Vacuum Valve ALWAYS CLOSE THE VACUUM VALVE BEFORE SWITCHING OFF THE PUMP Close the vacuum valve that connects the chamber to the vacuum pump Failure to do this before switching off the vacuum pump will cause air and oil to be sucked back through the pump causing certain damage to the pump and contamination of the degassed material Daily Operation Switch Pump On Wait for Pressure to Drop 7 8 Switch off Pump Once the vacuum valve has been firmly closed the vacuum pump can be switched off Never switch off the vacuum pump with the vacuum valve which connects it to the chamber is open see notes on previous page To let air back into the chamber turn the re pressuring inlet valve on the degassing chamber counter clockwise into the horizontal position The inlet port is fitted with a soft filter to restrict the rate at which air re enters the chamber helping to avoid disturbing materials inside or contaminating them with dust and other particles The filter can be adjusted to change the amount of restriction as required Once air can no longer be heard passing through the filter the chamber will be back up to normal atmospheric pressure Once this has happened lift the lid off the chamber to remove your degassed material 8 Daily Operation Swit
4. ch off Pump Open Inlet Remove Lid 4 Operating Conditions amp Maintenance The Easy Composites Complete Vacuum Degassing System is designed to provide years of reliable service however it is very important to ensure that you re using the system in an appropriate environment and maintaining it properly failure to do so will shorten the life of the system and invalidate the warranty Please read and follow these important points on operating conditions and maintenance Do Regularly check the oil level in the pump and top up as necessary If oil appears contaminated cloudy empty it from the pump and replace it with fresh vacuum pump oil Use the system in a clean dry environment and in an elevated position such as on a workbench or counter top Keep the system clean using a damp cloth and soapy water Make sure all fittings are properly sealed Use PTFE to seal and fittings you need to adjust or re fit Don t E Never use the system on the floor E Never operate the pump in dusty conditions Dust particles will be drawn into the pump and will contaminate the oil and accelerate wear Don t use the system as a vacuum dryer Moisture extracted from damp materials such as wood or plaster will emulsify the oil Never use anything other than High Vacuum Pump Oil to top up your vacuum pump Never use solvents to clean the pump or chamber particularly the acrylic lid Operating Conditions amp Ma
5. easycomposites Share the knowledge SETUP amp DAILY USE INSTRUCTIONS Complete Vacuum Degassing System VP425 VP4300 CONTENTS 1 Introduction 2 First Time Use Setup Instructions Screw in valve assembly Connect hose to pump Fill pump with oil Mn B WW YW N Remove dust cap from exhaust chimney 3 Daily Operation Open vacuum pump valve Press down lid firmly Ensure inlet valve is closed Switch on vacuum pump Wait whilst the pressure drops Close the vacuum valve Switch off the vacuum pump Open the re pressurising inlet valve Remove lid 4 Operating Conditions amp Maintenance O DAA NNN AA AD SE 5 Warranty Information 1 Introduction Thank you for choosing to buy our Easy Composites Complete Vacuum Degassing System The degassing chamber itself is expertly manufactured by Easy Composites Ltd in the UK from high quality materials and to our uniquely practical and effective design The vacuum pumps are manufactured specifically for us and have proved themselves to be very reliable pumps for daily use If used and maintained correctly both the pump and chamber will provide years of trouble free service Please read the following instructions BEFORE USE to familiarise yourself with the setup and daily operation of the system y Contents Introduction 2 First Time Use Setup Instructions When you first receive your Easy Composites Complete Vacuum
6. ing your material casting resin RTV silicone rubber into the degassing chamber 3 Check Inlet is Closed 4 Open Vacuum Valve Press down firmly on the lid to make sure it is well seated into the seal Make sure the inlet valve which has the Open the vacuum valve on the chamber brass filter fitted is in the closed position which connects it to the vacuum pump by especially if you have just run a degassing turning it to the horizontal position operation The valve is closed when this leaver is facing upwards 6 Daily Operation Load Material Press Down Lid Close Inlet 5 Switch Pump On 6 Wait for Degassing Turn the vacuum pump on using the power switch on the pump Wait whilst the pressure drops inside the vacuum chamber Using the smaller VP425 pumps this will take around 4 minutes Using the larger VP4300 pump this will take around 1 minute 30 seconds At this point you may need to press lightly on the lid to make the intial vacuum seal Degassing Times As the pressure in the chamber shown on the vacuum gauge approaches 1 bar 30in Hg any air trapped in the material will expand and start to bubble out of it RTV silicones in particular will expand considerably whilst this happens With silicones there will come a point where the material collapses down again This is a good indication that the degassing process is complete Once no air bubbles or only very occasional air bubbles are
7. intenance 9 5 Warranty Easy Composites Ltd warrants that this Complete Vacuum Degassing System will be free from defects in materials and workmanship for a period of 12 months from the date of purchase Should a failure occur within this period Easy Composites Ltd will repair or replace any defective part of the system on a like for like basis This limited warranty does not cover damage to the system caused by misuse improper maintenance or use not in accordance with these instructions In circumstances of very frequent use it is quite possible for the vanes on the vacuum pump to wear out indicated by reduced vacuum levels being achieved This is normal wear and tear and not covered by the warranty Replacement vanes can be supplied to renew the pump and restore the vacuum level Easy Composites Ltd is not liable for and does not cover under warranty any damages or losses of any kind whatsoever resulting from failure of this product In the event of a claim Easy Composites Ltd s sole obligation shall be to issue a refund or replacement of the product itself 10 Warranty Expert materials equipment and training for advanced composites Casting Equipment amp Advanced Composites Materials E Benchtop curing ovens E Wide range of casting resins E Huge range of reinforcement fabrics braids and t E Filler powders and additives aaa le E Carbon fibre sheet tube and secti E Metal powders for cold casting A cai ea cial
8. torage The VP425 and VP4300 have a switch able power supply mode so that they can be used on both 230V mains supply UK Europe Australasia China etc and 110V USA Canada Japan etc Unscrew the black plastic chimney from the top of the vacuum pump on the end with the oil sight gauge When shipped the pump will be set to 230v If you will be using the pump in a country where the mains supply is 110v then please slide the voltage setting on the pump before switching it on When using the pump with your degassing chamber it is suggested to leave the valve on the pump permanently in the OPEN position and instead use the valve on the chamber itself FILL TO HERE Fill the vacuum pump with oil until the oil Fill the vacuum pump with oil until the oil level is halfway up the sight gauge on the level is halfway up the sight gauge on the end of the pump end of the pump Be aware that it might take a few moments for the oil to work its Be aware that it might take a few way down into the pump moments for the oil to work its way down into the pump If you overfill the pump you can use the oil drain screw towards the base of the pump to remove some oil 4 First Time Use Fill Pump with Oil First Time Use Remove Dust Cap Set Voltage Open Valve 5 3 Daily Operation 1 Load Material 2 Press down Lid Firmly 7 l l MIZ T a EO p Von Start by removing the acrylic lid and load
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