Removal of the Weather Radar Transceiver

TASK 34-41-33-000-802-A
Removal of the Weather Radar Transceiver

ZONE: 121
FIN: 1SQ1 ** ON A/C NOT FOR ALL
FIN: 1SQ2 ** ON A/C NOT FOR ALL

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

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 1M(3 FT)
No specific	AR	CAP - BLANKING
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
121	AVIONICS COMPARTMENT
811

C. Referenced Information

REFERENCE	DESIGNATION
TASK 31-32-00-860-010-A	Procedure to Get Access to the SYSTEM REPORT/TEST NAV Page
TASK 31-32-00-860-805-A	Procedure to Get Access to the Radar Trouble Shooting-Data Page
Weather Radar Transceiver ** ON A/C NOT FOR ALL
Weather Radar Transceiver ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 34-41-33-810-052-A ** ON A/C NOT FOR ALL

A. Print the troubleshooting data:
(1) If necessary and applicable, print the troubleshooting data as follows:
(a) Get access to the SYSTEM/REPORT TEST NAV page (Ref. AMM TASK 31-32-00-860-010).
(b) Get access to the weather radar transceiver (1) page.
(c) Get access to the troubleshooting-data page (Ref. AMM TASK 31-32-00-860-805).
(d) Print the troubleshooting data.

Subtask 34-41-33-865-069-A ** ON A/C NOT FOR ALL

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	COM NAV/RADAR/1	5SQ1	K13
** ON A/C NOT FOR ALL
121VU	COM NAV/RADAR/2	5SQ2	K14

Subtask 34-41-33-010-058-A ** ON A/C NOT FOR ALL

C. Get Access
(1) Put the ACCESS PLATFORM 1M(3 FT) in position below access door 811.
(2) Open access door 811.

4. Procedure
Subtask 34-41-33-020-053-A ** ON A/C NOT FOR ALL

A. Removal of the Weather Radar Transceiver
(1) Loosen the nuts (3).
(2) Lower the nuts (3).
(3) Pull the weather radar transceiver (1) on its rack (4) to disconnect the electrical connectors (5).
(4) Remove the weather radar transceiver (1) from its rack (4).
(5) Put the CAP - BLANKING on the disconnected electrical connectors (5).

[Rev.10 from 2021] 2026.04.02 06:23:22 UTC