−
ADAHRS CH A (ESSENTIAL BUS)
−
ADAHRS CH B (MAIN BUS).
5.3.32
Wait for 5 seconds, then close these circuit breakers:
−
ADAHRS CH A (ESSENTIAL BUS)
−
ADAHRS CH B (MAIN BUS).
5.3.33
Wait for at least two minutes to allow the ADAHRS to do a self test and stabilize and then do the
Check Swing Step 5.3.
Note
Do not move the aircraft during these two minutes.
5.4
Close Up
5.4.1
Disconnect the Sub-D cables from the laptop computer(s) and the Maintenance box.
5.4.2
Disconnect the Maintenance box from the maintenance panel.
5.4.3
Set these switches on the OCP to OFF:
−
CABIN BUS
−
EPS
−
NAV
−
BEACON
−
STROBE.
5.4.4
Stop the engine, refer to AMM 12-B-71-00-00-00A-901A-A.
5.4.5
De-energize the aircraft electrical system, refer to AMM 12-B-24-00-00-00A-901A-A.
5.4.6
WARNING
THE PITOT HEAD, THE STATIC PORTS AND THE AOA TRANSMITTERS WILL BE HOT. LET THEM
BECOME COOL BEFORE YOU TOUCH THEM OR INSTALL THE PROTECTIVE COVERS.
Install the protective covers on the pitot heads and AOA transmitters.
5.4.7
Install the access panel 21QZ.
5.4.8
If necessary, remove the compass swing trolley.
5.4.9
Remove all the equipment, tools and materials from the work area. Make sure that the work area is
clean.
Requirements after job completion
Required Conditions
Table 6 Required Conditions
Action / Condition
Data module/Technical publication
None
PC-12/47E AMM Doc No 02300, ISSUE 01 REVISION 26 MSN 545, 1001-1719,
1721-1999
12-B-AM-00-00-00-I
UNCLASSIFIED
Effectivity: All
12-B-34-25-00-00A-903A-A
End of data module
UNCLASSIFIED
2021-12-04 Page 13