Removal of the Bleed-Air Precooler-Exchanger Cold-Inlet

TASK 36-11-44-000-803-A
Removal of the Bleed-Air Precooler-Exchanger Cold-Inlet

WARNING: MAKE SURE THAT THE PNEUMATIC SYSTEM IS DEPRESSURIZED BEFORE YOU START WORK. PRESSURIZED AIR CAN CAUSE INJURY TO PERSONNEL.

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: YOU MUST NOT TOUCH HOT PARTS WITHOUT APPLICABLE GLOVES. HOT PARTS CAN CAUSE AN INJURY.

WARNING: PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:

THE FLIGHT CONTROLS
THE FLIGHT CONTROL SURFACES
THE LANDING GEAR AND THE RELATED DOORS
COMPONENTS THAT MOVE.

MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAN CAUSE DAMAGE TO THE EQUIPMENT.

CAUTION: BE VERY CAREFUL WHEN YOU DO WORK ON OR NEAR THE AIR-CONDITIONING DUCTS. THE DUCTS ARE MADE OF THIN MATERIAL AND YOU CAN EASILY BREAK THEM.

ZONE: 410
ZONE: 420

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
410	ENG 1 PYLON BOX AND FORWARD FAIRING
420	ENG 2 PYLON BOX AND FORWARD FAIRING

B. Referenced Information

REFERENCE	DESIGNATION
TASK 36-11-42-000-804-A	Removal of the Bleed-Air Precooler Exchanger
Bleed-Air Precooler-Exchanger Cold-Inlet

3. Job Set-up
Subtask 36-11-44-020-053-A

A. Removal of the Component
(1) Remove the bleed-air precooler exchanger (Ref. AMM TASK 36-11-42-000-804).

4. Procedure
Subtask 36-11-44-020-054-A

A. Removal of the Bleed-Air Precooler-Exchanger Cold-Inlet
(1) Carefully disengage the bleed-air precooler-exchanger cold-inlet (1) from the fan air valve (5).
(2) Remove the bleed-air precooler-exchanger cold-inlet (1) with the seal (4).
(3) Remove the seal (2) from the structure (3) and keep it for the installation.

[Rev.10 from 2021] 2026.04.01 12:38:13 UTC