W DOC AIRBUS | AMM A320F

Removal of the Check Valve


TASK 26-23-21-000-002-A
Removal of the Check Valve


ZONE: 150
ZONE: 160
ZONE: 170
FIN: 5046WM ** ON A/C NOT FOR ALL
FIN: 5047WM ** ON A/C NOT FOR ALL
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
PLUG - BLANKING
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
150
AFT CARGO COMPARTMENT FWD PRESS BULKHEAD TO AFT BULKHEAD OF AFT CARGO COMPARTMENT
160
BULK CARGO COMPARTMENT AFT BULKHEAD OF AFT CARGO COMPARTMENT TO AFT BULKHEAD OF BULK CARGO COMPARTMENT
170
AFT CAB U/FLOOR COMPT AFT BHD OF BULK
161DW, 811, 826
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 24-42-00-861-001-A
Energize the Ground Service Network from the External Power
TASK 25-55-12-000-001-A
Removal of the Aft Cargo-Compartment Partition at FR65
TASK 52-30-00-860-001-A
Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
TASK 52-41-00-010-002-A
Open the Avionics Compartment Doors for Access
3. Job Set-up
Subtask 26-23-21-861-050-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
   (1) Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).
Subtask 26-23-21-010-052-A ** ON A/C NOT FOR ALL
B. Get access to the avionics compartment.
   (1) Open the access door 811 (Ref. AMM TASK 52-41-00-010-002).
Subtask 26-23-21-865-053-A ** ON A/C NOT FOR ALL
C. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUAIR COND/CARGO FIRE/EXTIG/BTL28WXC04
49VUAIR COND/CARGO FIRE/EXTIG/BTL11WXC03
Subtask 26-23-21-010-053-C ** ON A/C NOT FOR ALL
D. Get Access
   (1) Open the aft cargo-compartment door 826 (Ref. AMM TASK 52-30-00-860-001).
   (2) Set the CARGO COMPT LIGHT switch 8LU to the ON position.
   (3) Remove the partition panel 161DW (Ref. AMM TASK 25-55-12-000-001).
4. Procedure
Subtask 26-23-21-020-051-A ** ON A/C NOT FOR ALL
A. Removal of the Check Valve
NOTE: The removal procedure is the same for the check valves 5046WM and 5047WM.
   (1) Loosen the nut (2) and disconnect the pipe (1) from the check valve (3).
   (2) Loosen the nut (4) and disconnect the pipe (5) from the check valve (3).
   (3) Remove the check valve (3).
   (4) Put the PLUG-BLANKING in each disconnected line end.
   (5) Put PLUG - BLANKING on the open ports of the check valve (3).
[Rev.10 from 2021] 2026.03.31 23:46:17 UTC