Removal of the Temperature Sensor

TASK 30-73-18-000-002-A
Removal of the Temperature Sensor

ZONE: 121
FIN: 29DW ** 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	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
121	AVIONICS COMPARTMENT
131GW, 825

C. Referenced Information

REFERENCE	DESIGNATION
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 52-30-00-860-001-A	Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
Temperature Sensor

3. Job Set-up
Subtask 30-73-18-861-052-A ** ON A/C NOT FOR ALL

A. Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).

Subtask 30-73-18-865-053-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
2000VU	POT/WASTE WIP-HEATER-LINE	1DW	A02
2000VU	POT/WASTE WIP-HEATER-CTL	2DW	A01
** ON A/C NOT FOR ALL
2000VU	POT WIP-HEATER-LINE	1DW	A02
2000VU	POT WIP-HEATER-CTL	2DW	A01

Subtask 30-73-18-010-054-A ** ON A/C NOT FOR ALL

C. Get Access
(1) Put the ACCESS PLATFORM 2M (6 FT) at the FWD cargo-compartment door 825.
(2) Open the FWD cargo-compartment door 825 (Ref. AMM TASK 52-30-00-860-001).
(3) Set the CARGO COMPT LIGHT switch 6LU to ON.
(4) In the FWD cargo compartment, remove the sidewall panel 131GW.

4. Procedure
Subtask 30-73-18-020-051-A ** ON A/C NOT FOR ALL

A. Removal of the Sensor
(1) Cut and discard the cable ties of the identification and warning labels.
(2) Remove the velcro tape (6) that attaches the sleeve (1) around the sensor.
(3) Remove the sleeve (1) from around the clamp sensor assembly (2) and the clamp (3).
(4) Disconnect the two wires of the clamp sensor assembly (2) from the terminal strip.
(5) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(6) On the potable water pipe remove the screws (4) and (5) from the clamp sensor assembly (2) and the clamp (3).
(7) Remove the clamp (3).
(8) Remove the clamp sensor assembly (2).

[Rev.10 from 2021] 2026.04.01 00:32:40 UTC