AIRPLANE
OPERATIONS
MANUAL
GROUND SERVICING
TEMPORARY REVISION 41.1
1-12-60
Page
31
Code
01
Copyright © by Embraer. Refer to cover page for details.
AOM-145/1114
ATA
EICAS
MESSAGE
or
CONDITION
LOCATION PROCEDURE
34
IRS 1 FAIL
(continued)
EICAS
(continued)
(g) On the overhead circuit
breaker panel, close IRS 1
CB.
(h) On the overhead circuit
breaker panel, close the
following CBs:
For single FMS installed:
CDU, CMPTR, GPS.
For dual FMS installed:
CDU 1, CDU 2, FMC 1,
FMC 2, GPS 1, and GPS 2.
(i) Set the MSU 1 rotary switch to
ALIGN.
(j) Enter the correct present
position.
NOTE: The airplane must be
kept stationary during the
IRS 1 alignment.
(k) Wait until the alignment is
complete.
34 IRS 2 FAIL EICAS
(1) Set the MSU 2 rotary switch to
ALIGN.
(2) Enter the correct present position.
NOTE: The airplane must be
maintained stationary during the
IRS 2 alignment.
(3) Wait until the alignment is
complete.
In case of IRS 2 FAIL message
does not disappear:
(a) Set the MSU 2 rotary switch to
OFF.
(b) On the overhead electrical
panel, push the BACKUP
pushbutton (the stripped bar
illuminates).
(continued)