Removal of the Side-Rollers - Slat Tracks 1 thru 4
TASK 27-84-61-000-002-A
Removal of the Side-Rollers - Slat Tracks 1 thru 4
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 27-84-61-941-056-A
Subtask 27-84-61-020-054-B
[Rev.10 from 2021]
2026.04.01 07:09:29 UTC
Removal of the Side-Rollers - Slat Tracks 1 thru 4
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 | SAFETY BARRIER(S) |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| No specific | AR | WARNING NOTICE(S) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 521AB, 521BB, 521CB, 521EB, 621AB, 621BB, 621CB, 621EB |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 27-84-48-000-001-A | Removal of the Type A Actuators |
| TASK 27-84-61-000-001-A | Removal of the Slat Tracks 1 thru 4 |
| TASK 27-84-63-000-001-A | Removal of the No. 1 Slat |
| 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 27-84-61-941-056-A
A. Safety Precautions
(1) Put the SAFETY BARRIER(S) in position.
(2) Put the WARNING NOTICE(S) in the cockpit to tell persons not to operate the slat controls.
Subtask 27-84-61-860-051-A (1) Put the SAFETY BARRIER(S) in position.
(2) Put the WARNING NOTICE(S) in the cockpit to tell persons not to operate the slat controls.
B. Aircraft Maintenance Configuration
(1) Make sure that the 98D27803500001 LOCKING TOOL ZERO POS or 98D27803500002 LOCKING TOOL ZERO POS is on the flap and slat control lever on panel 114VU.
Subtask 27-84-61-865-061-A (1) Make sure that the 98D27803500001 LOCKING TOOL ZERO POS or 98D27803500002 LOCKING TOOL ZERO POS is on the flap and slat control lever on panel 114VU.
C. Open, safety and tag this(these) circuit breaker(s):
Subtask 27-84-61-010-053-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1 | 5CV | B06 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1 | 5CV | B01 |
| ** ON A/C ALL | |||
| 121VU | FLIGHT CONTROLS/WTB/SLT/SYS2 | 11CV | P19 |
| 121VU | FLIGHT CONTROLS/SLT/CTL/SYS2 | 7CV | R21 |
| 122VU | FLIGHT CONTROLS/WTB/SLT/SYS1 | 9CV | S06 |
D. Get Access
(1) Remove the Slat 1 (Ref. AMM TASK 27-84-63-000-001).
(2) Remove the applicable access panels:
(3) For the tracks 2 and 3, remove the applicable actuators (Ref. AMM TASK 27-84-48-000-001).
(4) When it is necessary to remove all the side-rollers (25), remove the applicable track (2) (Ref. AMM TASK 27-84-61-000-001).
4. Procedure(1) Remove the Slat 1 (Ref. AMM TASK 27-84-63-000-001).
(2) Remove the applicable access panels:
- for the left wing, remove the panels 521AB 521BB 521CB 521EB
- for the right wing, remove the panels 621AB 621BB 621CB 621EB
(3) For the tracks 2 and 3, remove the applicable actuators (Ref. AMM TASK 27-84-48-000-001).
(4) When it is necessary to remove all the side-rollers (25), remove the applicable track (2) (Ref. AMM TASK 27-84-61-000-001).
NOTE: To replace two or more side-rollers from opposite sides of the track, you must remove all of the side-rollers. Keep the serviceable side-rollers and their related shims together for the installation.
To replace side-rollers at the same side of the track, remove only the side-rollers you are to replace.
To replace side-rollers at the same side of the track, remove only the side-rollers you are to replace.
Subtask 27-84-61-020-054-B
A. Removal of the Side-Rollers - Slat Tracks 1 thru 4
(2) Remove the bolts (26), the applicable side-rollers (25) and the shims (27).
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.
(1) Remove and discard the lockwire from the applicable bolts (26). (2) Remove the bolts (26), the applicable side-rollers (25) and the shims (27).
Slat-Track Clearances