Removal of the Altitude Switch

TASK 35-23-15-000-001-A
Removal of the Altitude Switch

ZONE: 211
FIN: 16WR

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	ACCESS PLATFORM 2M (6 FT)
No specific	AR	CAP - BLANKING
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
211	COCKPIT
824

C. Referenced Information

REFERENCE	DESIGNATION
TASK 52-41-00-010-002-A	Open the Avionics Compartment Doors for Access
Altitude Switch

3. Job Set-up
Subtask 35-23-15-010-050-A

A. Get Access
(1) Put the ACCESS PLATFORM 2M (6 FT) in position at the access door 824.
(2) Open the access door 824 (Ref. AMM TASK 52-41-00-010-002).

Subtask 35-23-15-865-050-A

B. Open, safety and tag this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
49VU	OXYGEN/PASSENGER/CTL AND WARN	1WR	HA02

4. Procedure
Subtask 35-23-15-020-050-A

A. Removal of the Altitude Switch
(1) Disconnect the electrical connector (1) from the altitude switch (2).
(2) Put a CAP - BLANKING on the electrical connector (1).
(3) Remove the screws (4) and the washers (5) and remove the altitude switch (2) from its support (3).

[Rev.10 from 2021] 2026.04.01 01:05:17 UTC