Removal of the Drain Tank (APS 3200)

TASK 49-17-41-000-002-A
Removal of the Drain Tank (APS 3200)

WARNING: DO NOT TOUCH THE APU UNTIL IT IS SUFFICIENTLY COOL TO PREVENT BURNS WHEN YOU DO THE MAINTENANCE TASK(S).

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
No specific	AR	PLUG - BLANKING
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
315AL, 316AR

C. Referenced Information

REFERENCE	DESIGNATION
TASK 52-41-00-010-001-A	Open the APU Doors for Access
Drain Tank

3. Job Set-up
Subtask 49-17-41-865-053-A ** ON A/C NOT FOR ALL

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	APU/APU/CTL	2KD	L42
121VU	APU/ECB/SPLY	1KD	L41

Subtask 49-17-41-010-051-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position below the APU compartment.
(2) Open the APU access doors 315AL 316AR (Ref. AMM TASK 52-41-00-010-001).

4. Procedure
Subtask 49-17-41-020-051-A ** ON A/C NOT FOR ALL

A. Removal of the Drain Tank
(1) Disconnect the nuts (4) of the drain lines.
(2) Remove the nuts (3) and the washers (2).
(3) Remove the spring adapters (1) from the drain tank (9).
(4) Remove the screws (6), the washers (5) and the nuts (10).
(5) Remove the drain tank (9) and the brackets (7) from the air intake diffuser (8).
(6) Drain the remaining fuel from the drain tank.
(7) Put the PLUG-BLANKING in each disconnected line end.

[Rev.10 from 2021] 2026.04.01 01:28:29 UTC