Removal of the Temperature Control Module

TASK 21-58-54-000-001-A
Removal of the Temperature Control Module

FIN: 110HW ** ON A/C NOT FOR ALL

1. Reason for the Job
It is not possible to repair the temperature control module. If there is a fault in the temperature control-module component, refer to related troubleshooting procedure:

TSM task 21-58-00-810-803-A - CSAS Heat Exchanger Fault
TSM task 21-58-00-810-804-A - CSAS Bypass Valve Fault
TSM task 21-58-00-810-805-A - CSAS Temperature Sensor Fault
TSM task 21-58-00-810-806-A - CSAS Pressure Sensor Fault.

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
TASK 21-52-41-000-001-A	Removal of the Air Conditioning Pack
Temperature Control Module

3. Procedure
Subtask 21-58-54-020-050-B ** ON A/C NOT FOR ALL

A. Removal of the Temperature Control Module

Temperature Control Module ** ON A/C NOT FOR ALL

(1) Remove the air conditioning pack (Ref. AMM TASK 21-52-41-000-001).
(2) Remove the plenum (17) as follows:
(a) Remove the nuts (14), washers (15), bolts (5) and bonding straps (4), (8), (16) and (18).
(b) Hold the plenum (17) and remove the nuts (13), the washers (12) and the bolts (3).
(c) Remove and discard the gasket (1).
(3) Remove the temperature control module (9) as follows:
(a) Hold the temperature control module (9) and remove the nuts (11), the washers (10) and the bolts (6).
(b) Remove and discard the gasket (7).

Subtask 21-58-54-020-050-A

DELETED

[Rev.10 from 2021] 2026.04.02 06:11:35 UTC