Modification of the Pylon Anti-Ice Duct

TASK 30-21-49-820-010-A
Modification of the Pylon Anti-Ice Duct

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.

1. Reason for the Job
To prevent incorrect installation of the duct and supply retention of the related segments.
2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
TASK 71-00-20-000-040-A	Removal of the Power Plant
TASK 71-00-20-000-040-A-01	Removal of the Power Plant with the Engine Positioner TWW 75E (MIAG)
TASK 71-00-20-400-040-A	Installation of the Power Plant
TASK 71-00-20-400-040-A-01	Installation of the Power Plant with the Engine Positioner TWW 75E (MIAG)
Pylon Anti-ice Duct

3. Job Set-up
Subtask 30-21-49-010-127-A ** ON A/C NOT FOR ALL

A. Lower the power plant (Ref. AMM TASK 71-00-20-000-040).

NOTE: Lower the engine between 0.3 m (1 ft.) and 0.4 m (1.3 ft.)

4. Procedure
Subtask 30-21-49-820-055-A ** ON A/C NOT FOR ALL

A. Installation of the Stop Plate
(1) Install the stop plate (4) with the four screws (5) on the housing (2).
(2) Make sure that the segments (3) are correctly installed in the housing (2).

5. Close-up
Subtask 30-21-49-410-109-A ** ON A/C NOT FOR ALL

A. Lift the power plant (Ref. AMM TASK 71-00-20-400-040).

[Rev.10 from 2021] 2026.04.01 00:29:44 UTC