W DOC AIRBUS | AMM A320F

Removal of the Avionics Ventilation Skin Temperature Sensor


TASK 21-26-13-000-001-A
Removal of the Avionics Ventilation Skin Temperature Sensor


ZONE: 126
FIN: 28HQ
1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
No specific
AR
CAP - BLANKING
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
126
LATERAL AVIONIC COMPARTMENT
822
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 24-42-00-861-001-A
Energize the Ground Service Network from the External Power
3. Job Set-up
CAUTION: USE ONLY THE GROUND SERVICE NETWORK TO SUPPLY ELECTRICITY BECAUSE THE AVIONICS VENTILATION SYSTEM IS NOT SERVICEABLE. IF YOU ENERGIZE THE AIRCRAFT ELECTRICAL CIRCUITS WITHOUT THE VENTILATION SYSTEM YOU WILL CAUSE DAMAGE TO ELECTRICAL EQUIPMENT.
Subtask 21-26-13-861-050-A
A. Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).
Subtask 21-26-13-865-050-A
B. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
49VUAIR COND/AVNCS VENT/CTL6HQD06
49VUAIR COND/AVNCS VENT/CTL5HQD05
122VUAIR COND/AVNCS/VENT/MONG3HQY17
Subtask 21-26-13-010-050-A
C. Get Access
   (1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position at the access door 822.
   (2) Open the access door 822.
4. Procedure
Subtask 21-26-13-020-051-C
A. Removal of the Avionics Ventilation Skin Temperature Sensor
   (1) Disconnect the electrical connector (5) from the sensor (6).
   (2) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
   (3) Remove the six screws (4) and washers (3).
   (4) Remove the cover (2) from the support (1).
   (5) Remove the blanket (7) from the support (1).
   (6) Cut and remove the lockwire from the sensor (6).
WARNING: USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
     (a) Cut and remove the lockwire from the sensor (6).
   (7) Remove the sensor (6).
[Rev.10 from 2021] 2026.04.02 06:11:02 UTC