High Volume/Output RTM Systems Operations Manual
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3. Press the
Recirculation
button and allow the unit to recirculate for at least 20 strokes or until
no bubbles are returning to the catalyst jug from the recirculation tube.
4. Check to make sure the catalyst percentage is set properly.
5. Check resin pump pressure and adjust as necessary.
6. Press the
Stop
button to take the unit out of recirculation mode.
7. Connect a short feed hose to the outlet of the injection head.
8. Place the end of the feed hose over an appropriate container to catch extra resin.
9. Press the
Inject
button.
10. After one or two strokes of the pump, quickly move a graduated container under the resin
stream to catch about 100 grams of resin.
11. Repeat step
10
until you have two or three more samples.
12. Press the
Stop
button.
13. Flush the injection head as necessary.
14. Mark the sample containers with the pertinent test information, including the time, catalyst
percentage, resin temperature, and operator name.
15. Press the
Reset
button on the counter to restart the stroke count.
16. Check that the material collected properly cures.
17. Properly dispose of the catalyst and resin.
Dispensing Material
Note
Follow these steps daily when beginning injection.
1. Check all hoses for wear or damage; replace as needed.
2. Check all material supplies and refill or replaces as needed.
3. Open the main air supply slide valve on the back of the control panel.
4. Press the recirculation button and allow the unit to recirculate for at least 20 strokes or until
no bubbles are returning to the catalyst jug from the recirculation tube.
5. Check the catalyst percentage to make sure it is set properly.
6. Check resin pump pressure and adjust as needed.
7. Check the mold pressure guard (MPG) set pressure and adjust as needed.
8. Set the desired number of strokes on the counter display.
9. Press the
Stop
button to take the unit out of recirculation mode.
10. Perform a daily gel test by following the steps in the section above and balance the fluid
pressures.
11. Connect the injection hose to the injection head and press the
Inject
button.
12. If you are using an IVx3, Turbo Autosprue (TAS), PPVS, or similar option, properly connect
the feed hoses and control lines to the control box.