B.
Obey all the electrical/electronic safety precautions (
).
WARNING:
MAKE SURE THAT YOU OPEN, SAFETY, AND TAG THE CIRCUIT BREAKER FOR
THE PITOT HEAD HEATER. THE PITOT HEAD CAN GET VERY HOT AND CAUSE
BURNS.
C.
Open and tag the circuit breakers that follow:
CB−PANEL
CB−NO
NAME
CBP−1
A14
HEATERS PITOT R
CBP−1 LOWER
T7
HEATERS PITOT L
D.
Open the access door that follows:
PANEL
NAME
MANUAL NO
REFERENCE
811
Main Avionics Compartment Door
4.
Procedure
A.
Do the pilot S2/copilot S1 static line contamination removal as follows:
CAUTION:
MAKE SURE THAT THE PITOT AND/OR STATIC LINES ARE
DISCONNECTED FROM THE AIRCRAFT EQUIPMENT. IF THE LINES ARE
NOT DISCONNECTED, DAMAGE TO THE EQUIPMENT WILL OCCUR WHEN
PRESSURIZED NITROGEN IS SUPPLIED.
(1)
Disconnect the static connector from the ADC 2.
(2)
Install a cap on the static connector on the ADC 2.
(3)
Remove the drain collector tubes from the static line drains that follow:
NOTE:
The drain collector tube is attached to the drain assembly with a
quick−disconnect connector.
– S2/S1 drain assembly on the ADC 2 static line
– S2/S1 drain assembly on the static manifold.
(4)
Remove any contamination collected in the two drain collector tubes.
(5)
Install the pitot−static test adaptor on the P1 pitot−static head and P2 pitot−static head.
NOTE:
Refer to the manufacturer’s instructions of the pitot−static test adaptors when you
install the adaptor.
Internal PSA Document
EFFECTIVITY: Ref page 1 of Blue Page
CRJ-700/900
AIRCRAFT MAINTENANCE MANUAL
PSA AIRLINES, INC REVISION
AMM - Insert after Task 34-11-00-100-805-A01 of AMM 34-11-00
34-11-00-100-805-A01-PSA Rev D
Remove Rev 34-11-00-100-805-A01-PSA Rev C dated 04/03/17 and insert 34-11-00-100-805-A01-PSA Rev D dated 08/13/18
08/13/18
Page 2 of 5
Audited By TSS Dept. 10/17/18
Blue Page Current For Rev. 59
Audited By TSS Dept. 05/02/19
Blue Page Current For Rev. 61
