Manual

2. Turn-Up and Test

31 031-132-B0-001 Rev. A

2.2 Initial Operation, continued

2.2.3 Starting a Local APU Test, continued

11. Adjust pre-regulator, or dual regulator (located on gas bottle assembly

for Propane) if necessary by removing regulator cap and adjusting for

11 ±1 of water column pressure.

12. Set RAS to STOP.

13. Remove brass manometer fitting and re-install plug to demand

regulator input monitoring port using approved pipe sealant.

14. Check demand regulator input monitoring port for leaks.

15. Set RAS to AUTO.

16. To continue functional test on power node system, refer to ECM

certification section in ECM manual (744-862-C0) page 47.