Removal of the Ground Jack from the Air Intake Cowl

TASK 23-44-41-000-004-A
Removal of the Ground Jack from the Air Intake Cowl

WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE PARTS AFTER THE ENGINE SHUTDOWN. USE APPLICABLE THERMAL GLOVES. THE ENGINE PARTS CAN STAY HOT FOR ONE HOUR AFTER SHUTDOWN AND CAN BURN YOU.

ZONE: 210
ZONE: 410
ZONE: 420
ZONE: 430
ZONE: 440

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 2M (6 FT) - ADJUSTABLE
No specific	1	COVER - PROTECTION
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	AR	WARNING NOTICE(S)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
210	CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD
410	ENG 1 PYLON BOX AND FORWARD FAIRING
420	ENG 2 PYLON BOX AND FORWARD FAIRING
430	ENG 1 AIR INTAKE, FAN AND ACCESS GEARBOX
440	ENG 2 AIR INTAKE, FAN AND ACCESS GEARBOX

C. Referenced Information

REFERENCE	DESIGNATION
Air Intake-Cowl Interphone-Jack
Air Intake-Cowl Interphone-Jack
Air Intake-Cowl Interphone-Jack

3. Job Set-up
Subtask 23-44-41-865-053-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
49VU	COM/CIDS/DIR ESS/1	150RH	G01
** ON A/C NOT FOR ALL
121VU	COM NAV/CIDS/DIR NORM/1	151RH	M05
** ON A/C NOT FOR ALL
121VU	COM NAV/CIDS/DIR NORM/1	151RH	M06

Subtask 23-44-41-860-058-A ** ON A/C NOT FOR ALL

B. Aircraft Maintenance Configuration
(1) On the panel 115VU:

Put a WARNING NOTICE(S) to tell persons not to start the engine 1(2).

(2) Make sure that the engine 1(2) has been shutdown for at least 5 minutes.
(3) On the panel 50VU:

Make sure that the ON legend of the ENG/FADEC GND PWR 1(2) pushbutton switch is off.
Install a WARNING NOTICE(S).

Subtask 23-44-41-941-051-A ** ON A/C NOT FOR ALL

C. Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position to give access to the air intake cowl.

4. Procedure
Subtask 23-44-41-020-053-A ** ON A/C NOT FOR ALL

A. Removal of the Ground Jack

Air Intake-Cowl Interphone-Jack ** ON A/C NOT FOR ALL

BEFORE SPIB CFM02189MW1
(1) Remove the screws (55) that attach the cover (60) to the air intake cowl. Pull the cover and interphone jack assembly from the air intake cowl.
(2) Remove the nut (85) and the washers (90) that attach the ground jack (100) to the air intake cowl-structure.

AFTER SPIB CFM02189MW1 and AFTER SPIB CFM16161PC1
(3) Remove the screws (105) and (110) that attach the anti-ice vent panel to the air intake-cowl.
(4) Remove the anti-ice vent panel.
(5) Remove the screws (115) that attach the support plate (120) to the air intake-cowl.
(6) Get access to the ground jack (100) through the anti-ice vent panel opening.
(7) Remove the nut (85) and the washers (90) that attach the ground jack (100) to the support plate (120).

END SPIB CFM02189MW1 and SPIB CFM16161PC1
(8) Remove the ground wire (95) from the ground jack (100).
(9) Remove the ground jack (100) from the air intake cowl.
(10) Put a COVER - PROTECTION on the ground jack (100) and an insulation on the ground wire (95).

[Rev.10 from 2021] 2026.04.02 06:12:14 UTC