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

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.

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 Job
Self 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)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
521AB, 521BB, 521CB, 521EB, 621AB, 621BB, 621CB, 621EB

C. Referenced Information

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
Slat-Track Clearances
Side Roller and Vertical Roller - Location and Detail ** ON A/C NOT FOR ALL
Side Roller and Vertical Roller - Location and Detail ** ON A/C NOT FOR ALL

3. Job Set-up
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

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

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

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

Subtask 27-84-61-010-053-A

D. Get Access
(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

(Ref. AMM TASK 57-41-37-000-004) and (Ref. AMM TASK 57-41-37-000-005).
(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.

4. Procedure
Subtask 27-84-61-020-054-B

A. Removal of the Side-Rollers - Slat Tracks 1 thru 4

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).

[Rev.10 from 2021] 2026.03.31 23:57:56 UTC