Spacelabs BleaseSirius - Figure 69 - Adjust the Regulator Set Screw

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Detailed Repair Procedures
14. Set the AIR secondary regulator to 30
PSI by adjusting the set screw using
a 3mm Allen key (Figure 69). Secure
the set screw with the nut once the
pressure is set.
Figure 69 - Adjust the Regulator Set Screw
Important!
Monitor the fl ow to ensure that it remains at 0.5 L/min because the
fl ow changes when the set screw is adjusted.
15. Turn the ON/OFF switch to the “OFF” position.
16. Close the AIR fl ow control valve.
17. Remove all test equipment and reconnect the 6mm plug removed in step
10.
18. If fi tted with an N2O fl ow control valve, complete steps 19 - 26.
19. Remove the 6mm plug connected to the N2O test point and connect a
pressure measuring device to it. (Refer to step 7 for test point locations.)
20. Loosen the nut on the N2O secondary regulator using a 13mm wrench.
21. Turn the ON/OFF switch to the “ON” position.
22. Set a fl ow of 0.5 L/min on the N2O fl ow control valve. (Note: An O2 supply
must be connected to adjust the N2O secondary regulator.)
23. Set the N2O secondary regulator pressure to the value obtained in step 1
by adjusting the set screw using a 3mm Allen key. Secure the set screw
with the nut once the pressure is set. (Important: monitor the fl ow to
ensure that it remains at 0.5 L/min because the fl ow changes when the
set screw is adjusted.)
24. Turn the ON/OFF switch to the “OFF” position.