Removal of the Overheat Sensing Elements
TASK 36-22-16-000-006-A
Removal of the Overheat Sensing Elements
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 36-22-16-941-055-A
Subtask 36-22-16-020-055-A
[Rev.10 from 2021]
2026.04.01 01:17:14 UTC
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.
WARNING:
MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING GEAR. THIS WILL PREVENT UNWANTED MOVEMENT OF THE LANDING GEAR, AND THUS POSSIBLE INJURY TO PERSONS AND DAMAGE TO THE AIRCRAFT AND/OR EQUIPMENT.
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | ACCESS PLATFORM 3M (10 FT) |
| 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 |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 500 | LEFT WING |
| 600 | RIGHT WING |
| FOR [22HF] (SNSG ELEM-OVHT, L WING LOOP A) | |
| FOR [28HF] (SNSG ELEM-OVHT, L WING LOOP A) | |
| FOR [49HF] (SNSG ELEM-OVHT, L WING LOOP B) | |
| FOR [55HF] (SNSG ELEM-OVHT, L WING LOOP B) | |
| 521AB, 521BB, 521BT, 521CB, 521EB, 521GB | |
| FOR [38HF] (SNSG ELEM-OVHT, R WING LOOP A) | |
| FOR [44HF] (SNSG ELEM-OVHT, R WING LOOP A) | |
| FOR [65HF] (SNSG ELEM-OVHT, R WING LOOP B) | |
| FOR [71HF] (SNSG ELEM-OVHT, R WING LOOP B) | |
| 621AB, 621BB, 621BT, 621CB, 621EB, 621GB | |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 27-80-00-866-004-A | Extending the Slats on the Ground |
| 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 |
Subtask 36-22-16-941-055-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.
Overheat Sensing Elements and Cables - Access Panels ** ON A/C NOT FOR ALL
Overheat Sensing Elements and Cables - Access Panels ** ON A/C NOT FOR ALL
Subtask 36-22-16-860-062-A (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.
Overheat Sensing Elements and Cables - Access Panels ** ON A/C NOT FOR ALL
Overheat Sensing Elements and Cables - Access Panels ** ON A/C NOT FOR ALL 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 36-22-16-865-055-A (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.
C. Open, safety and tag this(these) circuit breaker(s):
Subtask 36-22-16-010-055-A | 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 |
D. Get Access
(1) Put an ACCESS PLATFORM 3M (10 FT) in position below the applicable access panel.
(2) Remove the applicable access panels (Ref. AMM TASK 57-41-37-000-004) (Ref. AMM TASK 57-41-37-000-005):
(a) FOR [28HF] (SNSG ELEM-OVHT, L WING LOOP A), [49HF] (SNSG ELEM-OVHT, L WING LOOP B), [22HF] (SNSG ELEM-OVHT, L WING LOOP A), [55HF] (SNSG ELEM-OVHT, L WING LOOP B)
remove 521AB 521BB 521CB 521EB 521GB 521BT
(b) FOR [44HF] (SNSG ELEM-OVHT, R WING LOOP A), [65HF] (SNSG ELEM-OVHT, R WING LOOP B), [38HF] (SNSG ELEM-OVHT, R WING LOOP A), [71HF] (SNSG ELEM-OVHT, R WING LOOP B)
remove 621AB 621BB 621CB 621EB 621GB 621BT.
4. Procedure(1) Put an ACCESS PLATFORM 3M (10 FT) in position below the applicable access panel.
(2) Remove the applicable access panels (Ref. AMM TASK 57-41-37-000-004) (Ref. AMM TASK 57-41-37-000-005):
(a) FOR [28HF] (SNSG ELEM-OVHT, L WING LOOP A), [49HF] (SNSG ELEM-OVHT, L WING LOOP B), [22HF] (SNSG ELEM-OVHT, L WING LOOP A), [55HF] (SNSG ELEM-OVHT, L WING LOOP B)
remove 521AB 521BB 521CB 521EB 521GB 521BT
(b) FOR [44HF] (SNSG ELEM-OVHT, R WING LOOP A), [65HF] (SNSG ELEM-OVHT, R WING LOOP B), [38HF] (SNSG ELEM-OVHT, R WING LOOP A), [71HF] (SNSG ELEM-OVHT, R WING LOOP B)
remove 621AB 621BB 621CB 621EB 621GB 621BT.
Subtask 36-22-16-020-055-A
A. Removal of the Overheat Sensing Elements
(2) Remove the nut (35) and the bolt (33) from the fairlead (34). Retain the removable part of the fairlead (34) and the protective sleeves (26).
(3) Remove and discard the lockwire from the connectors (19) and (22) and the nut (20).
(4) Disconnect the connector (19) from the connector (22).
(5) Remove the nut (20) from the connector (22) and remove the connector (22) from the flanged attachment (21).
(6) Put CAP - BLANKING on all the disconnected connectors.
(7) Remove the applicable overheat sensing element (5), (6), (7) or (8) and retain the applicable grommets (36).
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) Release the quick-release fasteners (27) and open the clamps (25). Retain the protective sleeves (26). (2) Remove the nut (35) and the bolt (33) from the fairlead (34). Retain the removable part of the fairlead (34) and the protective sleeves (26).
(3) Remove and discard the lockwire from the connectors (19) and (22) and the nut (20).
(4) Disconnect the connector (19) from the connector (22).
(5) Remove the nut (20) from the connector (22) and remove the connector (22) from the flanged attachment (21).
(6) Put CAP - BLANKING on all the disconnected connectors.
(7) Remove the applicable overheat sensing element (5), (6), (7) or (8) and retain the applicable grommets (36).