Removal of the Overheat Sensing Elements

TASK 36-22-16-000-001-A
Removal of the Overheat Sensing Elements

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.

ZONE: 190
ZONE: 500
ZONE: 600
FIN: 29HF
FIN: 45HF
FIN: 56HF
FIN: 72HF
FIN: 80HF
FIN: 81HF
FIN: 82HF
FIN: 83HF

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 3M (10 FT)- ADJUSTABLE
No specific	AR	CAP - BLANKING
No specific	AR	SAFETY BARRIER(S)
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	AR	WARNING NOTICE(S)
98D27803000000	1	LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
190	BELLY FAIR, AIR CONDITIONING & HYD COMPT
500	LEFT WING
600	RIGHT WING
FOR [29HF] (SNSG ELEM-OVHT, L WING LOOP A)
191BB, 191BT, 191CT, 191EB, 521AB, 521BB, 521CB
FOR [45HF] (SNSG ELEM-OVHT, R WING LOOP A)
191BB, 192BT, 192CT, 192EB, 621AB, 621BB, 621CB
FOR [56HF] (SNSG ELEM-OVHT, L WING LOOP B)
191BB, 191CT, 191EB, 521AB, 521BB, 521CB
FOR [72HF] (SNSG ELEM-OVHT, R WING LOOP B)
191BB, 192CT, 192EB, 621AB, 621BB, 621CB
FOR [80HF] (SNSG ELEM-OVHT, R WING LOOP A)
192CT, 192EB, 621AB, 621BB, 621CB
FOR [81HF] (SNSG ELEM-OVHT, L WING LOOP A)
191CT, 191EB, 521AB, 521BB, 521CB
FOR [82HF] (SNSG ELEM-OVHT, R WING LOOP B)
192BT, 192CT, 192EB, 621AB, 621BB, 621CB
FOR [83HF] (SNSG ELEM-OVHT, L WING LOOP B)
191BT, 191CT, 191EB, 521AB, 521BB, 521CB

C. Referenced Information

REFERENCE	DESIGNATION
TASK 27-80-00-866-004-A	Extending the Slats on the Ground
TASK 36-22-16-000-002-A	Removal of the Cables
TASK 53-35-11-000-001-A	Removal of the Wing-to-Fuselage Fairings
TASK 53-35-13-000-002-A	Removal of the Quick-Release Access Panels from the Belly Fairing Structure
TASK 57-41-37-000-004-A	Removal of the Pressure Relief Panels
TASK 57-41-37-000-005-A	Removal of the NACA Duct Panel
Overheat Sensing Elements and Cables - Access Panels ** ON A/C NOT FOR ALL
Overheat Sensing Elements
Overheat Sensing Elements
Overheat Sensing Elements
Overheat Sensing Elements - Typical Assemblies
Overheat Sensing Elements and Cables - Access Panels ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 36-22-16-941-050-A

A. Safety Precautions
(1) Put the SAFETY BARRIER(S) in position.
(2) Put a WARNING NOTICE(S) in position in the cockpit to tell persons not to operate the slat controls.

Subtask 36-22-16-860-057-A

B. Aircraft Maintenance Configuration
(1) Extend the slats fully (Ref. AMM TASK 27-80-00-866-004).
(2) Install the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION on the flap/slat control lever on panel 114VU.

Subtask 36-22-16-865-050-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	AIR BLEED/ENG 1/CTL	3HA1	D12
49VU	AIR BLEED/ENG 1/MONG	2HA1	D11
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1	5CV	B06
** ON A/C NOT FOR ALL
49VU	AIR BLEED/ENG 2/MONG	3HA2	D12
49VU	AIR BLEED/ENG 1/CTL	2HA1	D11
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1	5CV	B01
** ON A/C ALL
121VU	FLIGHT CONTROLS/SLT/CTL/SYS2	7CV	R21
** ON A/C NOT FOR ALL
122VU	AIR BLEED/ENG 2/CTL	3HA2	Z23
122VU	AIR BLEED/ENG 2/MONG	2HA2	Z22
** ON A/C NOT FOR ALL
122VU	AIR BLEED/ENG 1/MONG	3HA1	Z23
122VU	AIR BLEED/ENG 2/CTL	2HA2	Z22

Subtask 36-22-16-010-050-A

D. Get Access
(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position below the applicable access panels.
(2) Remove the applicable access panels, (Ref. AMM TASK 53-35-13-000-002), (Ref. AMM TASK 53-35-11-000-001), (Ref. AMM TASK 57-41-37-000-004), (Ref. AMM TASK 57-41-37-000-005):
(a) FOR [56HF] (SNSG ELEM-OVHT, L WING LOOP B)

Remove 191BB, 191EB 191CT 521AB 521BB 521CB.

(b) FOR [81HF] (SNSG ELEM-OVHT, L WING LOOP A)

Remove 191EB 191CT 521AB 521BB 521CB.

Remove 191BB, 192EB 192CT 621AB 621BB 621CB.

(d) FOR [80HF] (SNSG ELEM-OVHT, R WING LOOP A)

Remove 192EB 192CT 621AB 621BB 621CB.

(e) FOR [29HF] (SNSG ELEM-OVHT, L WING LOOP A)

Remove 191BB, 191EB 191CT 191BT 521AB 521BB 521CB.

(f) FOR [83HF] (SNSG ELEM-OVHT, L WING LOOP B)

Remove 191EB 191CT 191BT 521AB 521BB 521CB.

(g) FOR [45HF] (SNSG ELEM-OVHT, R WING LOOP A)

Remove 191BB, 192EB 192CT 192BT 621AB 621BB 621CB.

(h) FOR [82HF] (SNSG ELEM-OVHT, R WING LOOP B)

Remove 192EB 192CT 192BT 621AB 621BB 621CB.

4. Procedure
Subtask 36-22-16-020-050-A

A. Removal of the Overheat Sensing Elements

WARNING: USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.

CAUTION: REMOVE OR INSTALL THE SENSING ELEMENTS CAREFULLY. DO NOT TWIST, BEND OR CAUSE KINKS IN THE SENSING ELEMENTS. IF YOU DO, YOU CAN CAUSE DAMAGE TO THEM.

(1) Remove the sensing elements 29HF(45HF) (1) and 56HF(72HF) (8):
(a) Release the quick-release fasteners (27) and open the clamps (25). Retain the protective sleeves (26).
(b) Remove and discard the lockwire from the connectors (19) and (22) and the nut (20).
(c) Disconnect the connector (19) from the connector (22).
(d) Remove the nut (20) from the connector (22).
(e) Remove the connector (22) from the flanged attachment (21).
(f) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(g) Remove a sufficient amount of the cables 21HF(37HF) (40) and 77HF(64HF) (44) (Ref. AMM TASK 36-22-16-000-002) to let you remove the overheat sensing element 56HF(72HF) (8).
(2) Remove the sensing elements 83HF(82HF) (2) and 81HF(80HF) (7):
(a) Release the quick-release fasteners (27) and open the clamps (25). Retain the protective sleeves (26).
(b) Remove and discard the lockwire from the connectors (19), (22), (23) and (24), and the nuts (20).
(c) Disconnect the connectors (19) and (24) from the connectors (22) and (23).
(d) Remove the nut (20) from the connectors (22) and (23).
(e) Remove the connectors (22) and (23) from the flanged attachment (21).
(f) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(g) Remove a sufficient amount of the cables 21HF(37HF) (40) and 77HF(64HF) (44) (Ref. AMM TASK 36-22-16-000-002) to let you remove the overheat sensing element 81HF(80HF) (7).
(3) Remove the applicable overheat sensing element (1), (2), (7) or (8).

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