Removal of the Spray Nozzle

TASK 30-45-44-000-001-A
Removal of the Spray Nozzle

WARNING: DO NOT GET THE FLUID ON YOUR SKIN OR IN YOUR EYES. IF YOU DO:

FLUSH IT AWAY WITH CLEAN WATER
GET MEDICAL AID.

WARNING: MAKE SURE THAT THE CIRCUIT BREAKERS RELATED TO THE WEATHER RADAR ARE OPENED, SAFETIED AND TAGGED.

1. Reason for the Job

NOTE: The removal/installation procedure of the spray nozzle is done from out of the aircraft.
The spray nozzles are symmetrical but not interchangeable :

The CAPT spray nozzle is identified with red paint mark.
The F/O spray nozzle is identified with yellow paint mark.
The procedure is the same for CAPT and F/O spray nozzles.

2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	ACCESS PLATFORM 4M (13 FT)
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

B. Referenced Information

REFERENCE	DESIGNATION
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
Spray Nozzle

3. Job Set-up
Subtask 30-45-44-861-050-A

A. Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).

Subtask 30-45-44-865-050-A

B. Open, safety and tag this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	ANTI ICE/RAIN/RPLNT/CAPT	1DB1	D01
** ON A/C ALL
121VU	COM NAV/RADAR/1	5SQ1	K13
** ON A/C NOT FOR ALL
121VU	COM NAV/RADAR/2	5SQ2	K14
** ON A/C NOT FOR ALL
122VU	ANTI ICE/RAIN/RPLNT/F/O	1DB2	W11

Subtask 30-45-44-941-050-A

C. Put the ACCESS PLATFORM 4M (13 FT) in position.

4. Procedure
Subtask 30-45-44-020-050-A

A. Removal of the Spray Nozzle
(1) Hold the nut (4) and remove the nut (2) and the nozzle (1).
(2) Remove and discard the O-ring (3).

[Rev.10 from 2021] 2026.04.01 00:31:23 UTC