Installation of the Ground Jack on the Air Intake Cowl
TASK 23-44-41-400-004-A
Installation of the Ground Jack on the Air Intake Cowl
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Referenced Information
3. Job Set-up
Subtask 23-44-41-865-056-A ** ON A/C NOT FOR ALL
Subtask 23-44-41-420-053-A ** ON A/C NOT FOR ALL
Subtask 23-44-41-860-060-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:12:14 UTC
Installation of the Ground Jack on 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.
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.CP1039) | acetone |
| (Material No.CP1041) | isopropyl alcohol |
| (Material No.CP2011) | stoddard solvent |
| (Material No.CP2269) | Locktite 242 |
| (Material No.CP2559) | ardrox 552 |
| (Material No.CP2560) | turco ind 79 |
| (Material No.CP2566) | mag-chem teksol |
| (Material No.CP2584) | degreasol 99 R |
| (Material No.CP2656) | mag-chem skysol |
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| 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 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 23-44-00-700-001-A | Operational Test of the Service Interphone |
Subtask 23-44-41-865-056-A ** ON A/C NOT FOR ALL
A. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
Subtask 23-44-41-860-061-A ** ON A/C NOT FOR ALL | 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 |
B. Aircraft Maintenance Configuration
(1) On the panel 115VU:
(3) On the panel 50VU:
4. Procedure(1) On the panel 115VU:
- Make sure that the WARNING NOTICE(S) to tell persons not to start the engine 1(2) is in position.
(3) On the panel 50VU:
- Make sure that the ON legend of the ENG/FADEC GND PWR 1(2) pushbutton switch is off.
- Make sure that the WARNING NOTICE(S) is installed.
Subtask 23-44-41-420-053-A ** ON A/C NOT FOR ALL
A. Installation of the Ground Jack
(1) Remove the COVER - PROTECTION from the ground jack (100) and the insulation from the wire (95).
(2) Clean the threads of the ground jack (100) and the nut (85) with isopropyl alcohol (Material No.CP1041) or acetone (Material No.CP1039) or stoddard solvent (Material No.CP2011) or ardrox 552 (Material No.CP2559) or turco ind 79 (Material No.CP2560) or mag-chem teksol (Material No.CP2566) or degreasol 99 R (Material No.CP2584) or mag-chem skysol (Material No.CP2656) .
(3) Clean the threads with a Textile-Lint free Cotton - (Material No.14SBA1) before the alcohol becomes a gas.
(4) Put one drop of thread locker Locktite 242 (Material No.CP2269) on the threads of the nut (85).
(5) Put the ground wire (95) on the ground jack (100).
BEFORE SPIB CFM02189MW1
(6) Put the ground jack (100) in position on the air-intake cowl structure. Attach the ground jack (100) with the washers (90) and the nut (85).
(7) TORQUE the nut (85) to between 35 and 30 lbf.in (0.40 and 0.34 m.daN )
.
(8) Install the cover (60) on the air intake cowl with the screws (55).
(9) TORQUE the screws (55) to between 25 and 20 lbf.in (0.28 and 0.23 m.daN )
.
AFTER SPIB CFM02189MW1
(10) Put the ground jack (100) in position on the support plate (120). Attach the ground jack (100) with the washers (90) and the nut (85).
(11) TORQUE the nut (85) to between 25 and 20 lbf.in (0.28 and 0.23 m.daN )
.
(12) Install the support plate (120) on the air intake cowl with the screws (115).
(13) TORQUE the screws (115) to between 25 and 20 lbf.in (0.28 and 0.23 m.daN )
.
END SPIB CFM02189MW1
AFTER SPIB CFM16161PC1
(14) Put the ground jack (100) in position on the support plate (120). Attach the ground jack (100) with the washers (90) and the nut (85).
(15) TORQUE the nut (85) to between 35 and 30 lbf.in (0.40 and 0.34 m.daN )
.
(16) Install the support plate (120) on the air intake cowl with the screws (115).
(17) TORQUE the screws (115) to between 25 and 20 lbf.in (0.28 and 0.23 m.daN )
.
END SPIB CFM16161PC1
AFTER SPIB CFM16161PC1 and AFTER SPIB CFM02189MW1
(18) Put the anti-ice vent panel in position on the air intake cowl.
(19) Attach the anti-ice vent panel with the screws (105) and (110).
END AFTER SPIB CFM16161PC1 and AFTER SPIB CFM02189MW1
Subtask 23-44-41-865-055-A ** ON A/C NOT FOR ALL (1) Remove the COVER - PROTECTION from the ground jack (100) and the insulation from the wire (95).
(2) Clean the threads of the ground jack (100) and the nut (85) with isopropyl alcohol (Material No.CP1041) or acetone (Material No.CP1039) or stoddard solvent (Material No.CP2011) or ardrox 552 (Material No.CP2559) or turco ind 79 (Material No.CP2560) or mag-chem teksol (Material No.CP2566) or degreasol 99 R (Material No.CP2584) or mag-chem skysol (Material No.CP2656) .
(3) Clean the threads with a Textile-Lint free Cotton - (Material No.14SBA1) before the alcohol becomes a gas.
(4) Put one drop of thread locker Locktite 242 (Material No.CP2269) on the threads of the nut (85).
(5) Put the ground wire (95) on the ground jack (100).
BEFORE SPIB CFM02189MW1
(6) Put the ground jack (100) in position on the air-intake cowl structure. Attach the ground jack (100) with the washers (90) and the nut (85).
(7) TORQUE the nut (85) to between 35 and 30 lbf.in (0.40 and 0.34 m.daN )
. (8) Install the cover (60) on the air intake cowl with the screws (55).
(9) TORQUE the screws (55) to between 25 and 20 lbf.in (0.28 and 0.23 m.daN )
. AFTER SPIB CFM02189MW1
(10) Put the ground jack (100) in position on the support plate (120). Attach the ground jack (100) with the washers (90) and the nut (85).
(11) TORQUE the nut (85) to between 25 and 20 lbf.in (0.28 and 0.23 m.daN )
. (12) Install the support plate (120) on the air intake cowl with the screws (115).
(13) TORQUE the screws (115) to between 25 and 20 lbf.in (0.28 and 0.23 m.daN )
. END SPIB CFM02189MW1
AFTER SPIB CFM16161PC1
(14) Put the ground jack (100) in position on the support plate (120). Attach the ground jack (100) with the washers (90) and the nut (85).
(15) TORQUE the nut (85) to between 35 and 30 lbf.in (0.40 and 0.34 m.daN )
. (16) Install the support plate (120) on the air intake cowl with the screws (115).
(17) TORQUE the screws (115) to between 25 and 20 lbf.in (0.28 and 0.23 m.daN )
. END SPIB CFM16161PC1
AFTER SPIB CFM16161PC1 and AFTER SPIB CFM02189MW1
(18) Put the anti-ice vent panel in position on the air intake cowl.
(19) Attach the anti-ice vent panel with the screws (105) and (110).
END AFTER SPIB CFM16161PC1 and AFTER SPIB CFM02189MW1
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 23-44-41-710-053-A ** ON A/C NOT FOR ALL 5. Close-up| 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 23-44-41-860-060-A ** ON A/C NOT FOR ALL
A. Put the aircraft back to its initial configuration.
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the access platform(s).
(3) Remove the warning notices.
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the access platform(s).
(3) Remove the warning notices.
Air Intake-Cowl Interphone-Jack