Installation of the Generator Substitution Kit for Trouble Shooting (APS 3200)

TASK 49-11-00-400-004-A
Installation of the Generator Substitution Kit for Trouble Shooting (APS 3200)

WARNING: ISOLATE THE ELECTRICAL CIRCUITS FROM THE RELATED EQUIPMENT AND THE ENVIRONMENT.

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

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. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE
No specific	Torque wrench: range to between 4.4 and 3.9 m.daN (32.45 and 28.76 lbf.ft )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.03ABA1)	Synthetic base Lubricating Oil-Turbine Engine - -
(Material No.03ABB1)	Synthetic base Lubricating Oil-Turbine Engine Low Temp. -
(Material No.14QFC1)	Wire-Locking Dia: 0.8 mm CRES -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
315AL, 316AR

D. 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 29-00-00-864-001-A	Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action
TASK 49-00-00-860-005-A	APU Start by External Power
TASK 49-00-00-860-005-A-01	APU Start by Batteries
TASK 49-00-00-860-006-A	APU Shutdown by External Power
TASK 49-00-00-860-006-A-01	APU Shutdown by Batteries
TASK 49-90-00-600-004-A	Check Oil Level and Replenish (APS 3200)
TASK 52-41-00-010-001-A	Open the APU Doors for Access
TASK 52-41-00-410-001-A	Close the APU Doors after Access
APU Generator - Replacement

3. Job Set-up
Subtask 49-11-00-860-052-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Make sure that the aircraft electrical circuits are energized (Ref. AMM TASK 24-41-00-861-002).
(2) On the panel 25VU make sure that the APU MASTER SW pushbutton switch is off.
(3) Make sure that the hydraulic systems are depressurized
(Ref. AMM TASK 29-00-00-864-001).

Subtask 49-11-00-865-060-A ** ON A/C NOT FOR ALL

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
121VU	APU/APU/CTL	2KD	L42
121VU	APU/ECB/SPLY	1KD	L41

Subtask 49-11-00-010-058-A ** ON A/C NOT FOR ALL

C. Get Access
(1) Make sure that the access platform is in position below the APU compartment.
(2) Make sure that the APU access doors are open (Ref. AMM TASK 52-41-00-010-001).
(3) Make sure that the LIGHT switch is set to the ON position.
(4) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position below the APU compartment.
(5) Do an inspection of the component interfaces and the adjacent area.

4. Procedure
Subtask 49-11-00-420-057-A ** ON A/C NOT FOR ALL

A. Installation of the Generator Substitution Kit
(1) Clean the component interfaces and the adjacent area.
(2) Remove the nuts (4) from the generator mounting flange (1).
(3) Apply a thin layer of Synthetic base Lubricating Oil-Turbine Engine - - (Material No.03ABA1) or Synthetic base Lubricating Oil-Turbine Engine Low Temp. - (Material No.03ABB1) on the O-ring (2) and install the cover assembly (3) on the mounting flange (1).
(4) Put the generator cable support (6) (Ref. AIPC 49-11-04-05-010) in position on the cover assembly (3).
(5) Tighten the cover assembly (3) and the generator cable support (6) with the nuts (4).
(6) TORQUE the nuts (4) to between 4.4 and 3.9 m.daN (32.45 and 28.76 lbf.ft )

.
(7) Make sure that the drain plug (5) is fully tightened and safety with 14QFC1Wire-Locking Dia: 0.8 mm CRES -.
(8) Remove the nuts (8) from the generator cable support (6).

NOTE: Refer to the marks on the generator cable support when you install the electrical cable connections.

(9) Connect the electrical connector (7) and the electrical cables (9) to the generator cable support (6).
(10) Secure the electrical cables (9) with the nuts (8).

Subtask 49-11-00-865-061-A ** ON A/C NOT FOR ALL

B. 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
121VU	APU/APU/CTL	2KD	L42
121VU	APU/ECB/SPLY	1KD	L41

Subtask 49-11-00-210-054-A ** ON A/C NOT FOR ALL

C. Inspection Check

CAUTION: USE ONLY APPROVED TYPES/BRANDS OF LUBRICANTS. DO NOT MIX TYPES//BRANDS OF LUBRICANTS.

(1) Do a visual check of the oil quantity on the APU oil level. Add oil if the oil level is on or less than the ADD mark on the sight glass (Ref. AMM TASK 49-90-00-600-004).

Subtask 49-11-00-710-053-A ** ON A/C NOT FOR ALL

D. Test

WARNING: MAKE SURE THAT YOU HAVE THE CORRECT FIRE FIGHTING EQUIPMENT AVAILABLE.

(1) Start and operate the APU (Ref. AMM TASK 49-00-00-860-005).
(2) Examine the joint between the mounting flange (1) and the cover assembly (3) for oil leakage.

NOTE: No leakage of oil is permitted.

(3) Stop the APU (Ref. AMM TASK 49-00-00-860-006).

5. Close-up
Subtask 49-11-00-410-058-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Set the LIGHT control switch 11LJ to the off position.
(3) Close the APU access doors 315AL 316AR (Ref. AMM TASK 52-41-00-410-001).
(4) Close the APU exhaust access fairing 317.
(5) Remove the access platform(s).

Subtask 49-11-00-860-064-A ** ON A/C NOT FOR ALL

B. Aircraft Maintenance Configuration
(1) Make an entry in the aircraft technical log book.
(2) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).

[Rev.10 from 2021] 2026.04.01 01:26:39 UTC