Installation of the Spray Nozzle

TASK 30-45-44-400-001-A
Installation 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)

B. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
3	O-RING	AIPC 30-45-01-02-060
3	O-RING	AIPC 30-45-81-02-100

C. Referenced Information

REFERENCE	DESIGNATION
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 24-42-00-862-001-A	De-energize the Ground Service Network Supplied from the External Power
Spray Nozzle
Position of the Spray Nozzle Slot

3. Job Set-up
Subtask 30-45-44-860-051-A

A. Aircraft Maintenance Configuration
(1) Make sure that the ground service network is energized
(Ref. AMM TASK 24-42-00-861-001).
(2) Make sure that the ACCESS PLATFORM 4M (13 FT) is in position.

Subtask 30-45-44-865-051-A

B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:

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

4. Procedure
Subtask 30-45-44-210-050-A

A. Make sure that the four holes in the nozzle are not clogged.

Subtask 30-45-44-420-050-A

B. Installation of the Nozzle
(1) Install the nozzle (1), the nut (2) and a new AIPC 30-45-01-02-060 O-RING (3) or AIPC 30-45-81-02-100 O-RING (3).
(2) Tighten the nut (2) while you prevent movement of the nozzle (1). Do not fully tighten the nut (2) at this time.

NOTE: Set the nozzle slot as shown on figure.

Position of the Spray Nozzle Slot

(3) Hold the nut (4) and fully tighten the nut (2).

5. Close-up
Subtask 30-45-44-865-052-A

A. Remove the safety clip(s) and the tag(s) and close 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 30-45-44-942-051-A

B. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the access platform(s).

Subtask 30-45-44-862-050-A

C. De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).

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