Deactivation of the APU by Circuit Breaker Tagging (131-9(A))

TASK 49-10-00-040-008-A
Deactivation of the APU by Circuit Breaker Tagging (131-9(A))

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

FIN: 4005KM ** ON A/C NOT FOR ALL
Task Summary

Access	Test	Specific Tools	Mhr	E/T	Nb Men
NO	NO	NO	0.3	0.3	1

1. Reason for the Job
MMEL 49-10-01C
POWER PLANT (APU)
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	1	WARNING NOTICE(S)

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.03ABA1)	Synthetic base Lubricating Oil-Turbine Engine - -

C. Referenced Information

REFERENCE	DESIGNATION
TASK 49-90-00-600-008-A-02	Brand/Type Oil Change (Flush Procedure) (131-(A))

3. Job Set-up
Subtask 49-10-00-860-084-A ** ON A/C NOT FOR ALL

A. Not applicable

4. Procedure
Subtask 49-10-00-612-052-A ** ON A/C NOT FOR ALL

A. Change to Preservation Oil

CAUTION: USE ONLY APPROVED TYPES/BRANDS OF LUBRICANTS.

(1) Do an APU oil type change to Synthetic base Lubricating Oil-Turbine Engine - - (Material No.03ABA1) (Ref. AMM TASK 49-90-00-600-008).

NOTE: Only oil Castrol Aero J5 can be used for APU preservation.

NOTE: This procedure is not applicable if the operator disconnects the APU for less than 30 days.

NOTE: It is not necessary to operate the APU after the preservation oil is in the reservoir.

Subtask 49-10-00-040-060-A ** ON A/C NOT FOR ALL

B. Deactivation of the APU
(1) On the panel 25VU:

Make sure that the APU MASTER SW pushbutton switch is set to OFF.
Make sure that the APU START pushbutton switch is set to OFF.
Put a WARNING NOTICE(S) 'APU INOP' in position.

(2) On the panel 30VU,

Make sure that the APU BLEED pushbutton switch is set to OFF.

(3) Make an entry in the technical logbook that the APU is deactivated.

Subtask 49-10-00-040-060-B ** ON A/C NOT FOR ALL

B. Deactivation of the APU
(1) Make sure that the air intake flap is in the closed position. If the air intake flap is open, you must close it manually:

CAUTION: BE CAREFUL WHEN YOU COME TO THE MECHANICAL STOP AT THE END OF TRAVEL. IF YOU TURN THE MANUAL DRIVE SHAFT WITH MORE TORQUE THAN THE LIMIT, DAMAGE TO THE AIR INTAKE FLAP ACTUATOR WILL OCCUR.

(a) Turn the manual drive shaft on the air intake flap actuator 4015KM until the air intake flap is in the fully closed position.

NOTE: Make sure that the torque necessary to turn the manual drive shaft is not more than 0.3 m.daN (26.55 lbf.in) for the actuator 43-1-1100 Amendment 1, for the actuator 106-1-1100-02 not more than 0.4 m.daN (35.40 lbf.in). Be careful when you come to the mechanical stop at the end of travel. If you turn the manual drive shaft with more torque than the limit, damage to the air intake flap actuator will occur.

NOTE: On the actuator 43-1-1100 Amendment 1, 47 turns are required for one full travel of the air intake flap actuator. On the actuator 106-1-1100-02, 87 turns are required.

(b) Make sure that the air intake flap is in the correct position.
(2) On the panel 25VU:

Make sure that the APU MASTER SW pushbutton switch is set to OFF.
Make sure that the APU START pushbutton switch is set to OFF.
Put a WARNING NOTICE(S) 'APU INOP' in position.

(3) On the panel 30VU,

Make sure that the APU BLEED pushbutton switch is set to OFF.

(4) Make an entry in the technical logbook that the APU is deactivated.

Subtask 49-10-00-865-064-A ** ON A/C NOT FOR ALL

C. 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

[Rev.10 from 2021] 2026.04.01 01:26:31 UTC