Removal of the Check Valve and of the Rain Repellent Blowout Reservoir

TASK 30-45-45-000-001-A
Removal of the Check Valve and of the Rain Repellent Blowout Reservoir

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.

CAUTION: MAKE SURE THAT THE FLUID DOES NOT STAY ON THE AIRCRAFT STRUCTURE. IF THE FLUID GETS ON THE AIRCRAFT STRUCTURE, WASH IT OFF IMMEDIATELY WITH SOAP AND WATER.

ZONE: 120
FIN: 5DM

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	PLUG - BLANKING
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
120	AVIONICS COMPARTMENT
811

C. Referenced Information

REFERENCE	DESIGNATION
Rain Repellent Blowout Reservoir

3. Job Set-up
Subtask 30-45-45-865-054-A

A. 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
122VU	ANTI ICE/RAIN/RPLNT/F/O	1DB2	W11

Subtask 30-45-45-010-050-A

B. Get Access
(1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position.
(2) Open the access door 811.

4. Procedure
Subtask 30-45-45-020-052-A

A. Removal of the Check Valve.
(1) Disconnect the elbow (1) from the union (2).
(2) Disconnect the line (15).
(3) Remove the clamps (8) and (10).
(4) Remove the union (2).
(5) Remove the check valve (4).
(6) Remove the union (6).
(7) Discard the o-rings (3), (5) and (7).
(8) Remove the plugs (17) and (12) from the removed component and discard the O-rings (16) and (11).
(9) Remove the union (14) from the removed component and discard the O-ring (13).

Subtask 30-45-45-020-050-A

B. Removal of the Reservoir:
(1) Remove the reservoir (9).
(2) Put the PLUG-BLANKING in each disconnected line end.

[Rev.10 from 2021] 2026.04.01 00:31:25 UTC