W DOC AIRBUS | AMM A320F

Installation of the Toilet Flush Switch


TASK 38-31-19-400-001-A
Installation of the Toilet Flush Switch


WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Referenced Information
REFERENCE
DESIGNATION
TASK 24-41-00-861-002-A
Energize the Aircraft Electrical Circuits from the External Power
TASK 24-41-00-861-002-A-01
Energize the Aircraft Electrical Circuits from the APU
TASK 24-41-00-861-002-A-02
Energize the Aircraft Electrical Circuits from Engine 1(2)
TASK 24-41-00-862-002-A
De-energize the Aircraft Electrical Circuits Supplied from the External Power
TASK 24-41-00-862-002-A-01
De-energize the Aircraft Electrical Circuits Supplied from the APU
TASK 24-41-00-862-002-A-02
De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)
TASK 38-10-00-614-001-A
Pressurization of the Potable Water System from a Ground Air Supply
TASK 38-10-00-614-002-A
Depressurization of the Potable Water System
TASK 38-10-00-614-003-A
Pressurization of the Potable Water System with the Compressor
F Toilet Flush Switch ** ON A/C NOT FOR ALL
F Toilet Flush Switch ** ON A/C NOT FOR ALL
3. Job Set-up
Subtask 38-31-19-860-050-A
A. Aircraft Maintenance Configuration
   (1) Make sure that the aircraft electrical circuits are energized (Ref. AMM TASK 24-41-00-861-002).
Subtask 38-31-19-865-054-A
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
2001VUVACU TOIL SYS-VACUUM-SYS35MGA06
** ON A/C NOT FOR ALL
2001VUVACU TOIL SYS-VACUUM-GEN33MGA08
** ON A/C NOT FOR ALL
2001VUVACU TOIL SYS-LAV PWR-E34MGA04
** ON A/C NOT FOR ALL
2001VUVACU TOIL SYS-LAV PWR-D39MGA03
** ON A/C ALL
2001VUVACU TOIL SYS-LAV PWR-A32MGA01
** ON A/C NOT FOR ALL
2001VUVACU TOIL SYS-VACU-SYS35MGA06
** ON A/C NOT FOR ALL
2001VUVACU TOIL SYS-VACU-GEN33MGA08
** ON A/C NOT FOR ALL
2001VUVACU TOIL SYS-LAV PWR-G34MGA04
2001VUVACU TOIL SYS-LAV PWR-F39MGA03
2001VUVACU TOIL SYS-LAV PWR-D45MGA02
** ON A/C NOT FOR ALL
2001VUVACU TOIL SYS-LAV PWR-L45MGA02
** ON A/C NOT FOR ALL
2001VUVACU TOIL SYS-LAV PWR-L23MGA05
** ON A/C NOT FOR ALL
2001VUVACU TOIL SYS-LAV PWR-M34MGA04
4. Procedure
Subtask 38-31-19-420-050-A ** ON A/C NOT FOR ALL
A. Installation of the Toilet Flush Switch
   (1) Clean the component interfaces and the adjacent area.
   (2) Do an inspection of the component interfaces and the adjacent area.
   (3) Put the microswitch (13) in position on the bushes (6).
   (4) Install the washers (7) and the screws (8).
   (5) Adjust the microswitch if necessary.
     (a) Move the microswitch so that the roller of the switch just touches the activation lever of the push plate assembly (3).
     (b) Tighten the screws (8)
     (c) Operate the push plate and make sure that the microswitch engages.
   (6) Refer to the identification and put the electrical wires (9) and (12) in position.
   (7) Install and tighten the screws (10) and (11).
   (8) Put the plate assembly (3) in position.
   (9) Install the washers (5) and the screws (4).
   (10) Put the frame (2) in position and install the screws (1).
Subtask 38-31-19-420-050-B ** ON A/C NOT FOR ALL
A. Installation of the Toilet Flush Switch
   (1) Clean the component interfaces and the adjacent area.
   (2) Do an inspection of the component interfaces and the adjacent area.
   (3) Put the housing (2) in position and install the screws (1).
   (4) Remove the CAP-BLANKING from each electrical connector and receptacle.
CAUTION: MAKE SURE THAT THE ELECTRICAL CONNECTORS ARE CLEAN BEFORE YOU DISCONNECT OR CONNECT THEM. CONTAMINATION ON THE ELECTRICAL CONNECTORS CAN CAUSE DAMAGE TO EQUIPMENT.
   (5) Refer to the identification and connect the electrical connectors (3).
   (6) Put the front plate (4) in position and push it on the housing (2), make sure that it engages with a click.
Subtask 38-31-19-865-055-A
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
2001VUVACU TOIL SYS-VACUUM-SYS35MGA06
** ON A/C NOT FOR ALL
2001VUVACU TOIL SYS-VACUUM-GEN33MGA08
** ON A/C NOT FOR ALL
2001VUVACU TOIL SYS-LAV PWR-E34MGA04
** ON A/C NOT FOR ALL
2001VUVACU TOIL SYS-LAV PWR-D39MGA03
** ON A/C ALL
2001VUVACU TOIL SYS-LAV PWR-A32MGA01
** ON A/C NOT FOR ALL
2001VUVACU TOIL SYS-VACU-SYS35MGA06
** ON A/C NOT FOR ALL
2001VUVACU TOIL SYS-VACU-GEN33MGA08
** ON A/C NOT FOR ALL
2001VUVACU TOIL SYS-LAV PWR-G34MGA04
2001VUVACU TOIL SYS-LAV PWR-F39MGA03
2001VUVACU TOIL SYS-LAV PWR-D45MGA02
** ON A/C NOT FOR ALL
2001VUVACU TOIL SYS-LAV PWR-L45MGA02
** ON A/C NOT FOR ALL
2001VUVACU TOIL SYS-LAV PWR-L23MGA05
** ON A/C NOT FOR ALL
2001VUVACU TOIL SYS-LAV PWR-M34MGA04
Subtask 38-31-19-614-050-B
C. Pressurize the potable water system (Ref. AMM TASK 38-10-00-614-001) (Ref. AMM TASK 38-10-00-614-003).
Subtask 38-31-19-710-050-A
D. Test of the Toilet Flush Switch
ACTION
RESULT
1.In the lavatory:
  • Push the toilet flush switch.
In the lavatory:
  • The toilet flush cycle starts to operate.
Subtask 38-31-19-614-051-B
E. Depressurize the potable water system (Ref. AMM TASK 38-10-00-614-002).
5. Close-up
Subtask 38-31-19-862-050-A
A. Put the aircraft back to its initial configuration.
   (1) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
[Rev.10 from 2021] 2026.04.01 01:20:20 UTC