Removal of the Sharklet

TASK 57-31-23-000-801-A
Removal of the Sharklet

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.

CAUTION: THIS PART IS A REMOVABLE STRUCTURAL COMPONENT (RSC), WHICH CAN BE MOVED BETWEEN AIRCRAFT. THUS IT CAN HAVE DIFFERENT OPERATION CONDITIONS AND A DIFFERENT LIFE RECORD (FLIGHT HOURS/FLIGHT CYCLES/CALENDAR) FROM THE AIRCRAFT IT IS INSTALLED ON OR REMOVED FROM. THE OPERATOR IS RESPONSIBLE FOR THE SPECIFIC TRACKING AND CONTINUED AIRWORTHINESS OF REMOVABLE STRUCTURAL COMPONENTS. INCORRECT MAINTENANCE OF THESE COMPONENTS CAN CAUSE A RISK FOR THE FLIGHT SAFETY.

ZONE: 560
ZONE: 660

1. Reason for the Job
Self Explanatory
The weight of the sharklet is approximately 109 kg (240.3 lb).
Two persons (or more) are necessary to do this task.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 6M (20 FT) - ADJUSTABLE
No specific	1	AIR SOURCE 0.3 TO 0.7 BAR (5 TO 10 PSI)- FILTERED, DRY
No specific	AR	CAP - BLANKING
No specific	1	INDICATOR - GAS COMBUSTIBLE
No specific	AR	SAFETY BARRIER(S)
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	AR	WARNING NOTICE(S)
98D27104005000	1	AILERON COLLAR
98D27803500001	1	LOCKING TOOL ZERO POS
98D57004049000	1	PROTECTOR MANHOLE
98D57304001000	1	GRID TORQUE NUT
98D57304001001	1	GRID NUT TORQUE
98D57304002000	1	HOIST SHARKLET
98D57304003000	1	PROTECTOR - SHARKLET
98D57304004000	1	EXTRACTOR LOWER PINS
KSK1194	1	SHARKLET TORQUE KIT
KSK1194A	1	TORQUE TOOL KIT

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
560	DRY BAY (OUTBOARD)
660	DRY BAY (OUTBOARD)
534BB, 534DB, 560AB, 575KB, 575MB, 634BB, 634DB, 660AB, 675KB, 675MB

C. Referenced Information

REFERENCE	DESIGNATION
TASK 23-61-41-000-001-A	Removal of the Static Discharger
TASK 28-10-00-910-002-A	Access to the Fuel Tanks and the Work Areas
TASK 29-10-00-864-001-A	Depressurize the Green Hydraulic System
TASK 29-10-00-864-002-A	Depressurize the Yellow Hydraulic System
TASK 29-10-00-864-003-A	Depressurize the Blue Hydraulic System
TASK 33-41-11-000-802-A	Removal of the Navigation Light - Sharklet
TASK 33-48-14-000-802-A	Removal of the Strobe Light - Sharklet
TASK 33-48-38-000-802-A	Removal of the Power Supply Unit - Sharklet
TASK 57-27-11-000-002-A	Removal of the Access Panel
TASK 57-31-23-000-802-A	Removal of the Sharklet Access Panels
TASK 57-51-37-000-005-A	Removal of the Access Panels 575KB(675KB), 575LB(675LB), 575MB(675MB)
Sharklet - Location and Detail ** ON A/C NOT FOR ALL
Removal of the sharklet (3Danimation) ** ON A/C NOT FOR ALL
Hoist Points - Sharklet ** ON A/C NOT FOR ALL
Sharklet Position
Sharklet Position ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 57-31-23-941-050-A ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) Install the 98D27803500001 LOCKING TOOL ZERO POS on the slats and flaps control lever.
(2) Put the WARNING NOTICE(S) in position in the cockpit to tell persons not to operate the flaps, slats, navigation or strobe lights.
(3) Put the WARNING NOTICE(S) in position in the cockpit to tell persons not to pressurize the hydraulic systems:

On the ground service panels
On the overhead panel, on the HYD section of panel 40VU.

(4) Put the WARNING NOTICE(S) in position in the cockpit to tell persons not to operate the ailerons.
(5) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
(6) Make sure that the Green, Yellow and Blue hydraulic systems are depressurized (Ref. AMM TASK 29-10-00-864-001), (Ref. AMM TASK 29-10-00-864-002) and (Ref. AMM TASK 29-10-00-864-003).

Subtask 57-31-23-010-050-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Put the ACCESS PLATFORM 6M (20 FT) - ADJUSTABLE in position below the applicable sharklet, zone 560 (660).
(2) Remove access panel 575KB ( 675KB) (Ref. AMM TASK 57-51-37-000-005).
(a) Use the 98D27104005000 AILERON COLLAR and lock the aileron in the high position.
(3) Remove access panel 575MB ( 675MB) (Ref. AMM TASK 57-51-37-000-005).
(4) Remove access panels 534BB ( 634BB) and 534DB ( 634DB) (Ref. AMM TASK 57-31-23-000-802).
(5) Remove access panel 560AB ( 660AB):
(a) If you use KSK1194 SHARKLET TORQUE KIT (Ref. AMM TASK 57-27-11-000-002) and (Ref. AMM TASK 28-10-00-910-002).
(b) If you use KSK1194A TORQUE TOOL KIT (Ref. AMM TASK 57-27-11-000-002).

NOTE: If you use KSK1194A TORQUE TOOL KIT, the removal of the fuel is not necessary.

Subtask 57-31-23-865-050-A ** ON A/C NOT FOR ALL

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
122VU	LIGHTING/EXT LT/NAV2/AND LOGO/LT	2LA	T02
122VU	LIGHTING/WING/STROBE	10LV	V05
** ON A/C NOT FOR ALL
122VU	LIGHT/EXT LT NAV1/AND LOGO/LT	1LA	T03
** ON A/C NOT FOR ALL
122VU	LIGHTING/EXT LT/NAV1/AND LOGO/LT	1LA	T03

Subtask 57-31-23-280-051-A ** ON A/C NOT FOR ALL

D. Test
(1) Do a test on the air in the wing RIB 26 to RIB 27 section with the INDICATOR - GAS COMBUSTIBLE:

To measure the fuel gas concentration.

(2) If the fuel gas concentration is less than 3% of the applicable Lower Explosive Limit (LEL) (or less than the Local Regulatory-Authority limit), continue with the removal procedure.
(3) If the fuel gas concentration is more than 3% of the LEL, blow clean, filtered air from an AIR SOURCE 0.3 TO 0.7 BAR (5 TO 10 PSI)- FILTERED, DRY through the applicable area.
(a) Wait for one hour and measure the fuel gas concentration in the applicable area again:

If the fuel gas concentration is less than 3% of the LEL (or less than the Local Regulatory-Authority limit), continue with the removal procedure.

4. Procedure
Subtask 57-31-23-020-050-A ** ON A/C NOT FOR ALL

A. Preparation for the Replacement of the Sharklet
(1) Remove the static dischargers (Ref. AMM TASK 23-61-41-000-001).
(2) If necessary, remove the:

Navigation light assembly (Ref. AMM TASK 33-41-11-000-802)
Strobe light assembly (Ref. AMM TASK 33-48-14-000-802)
Power supply unit (Ref. AMM TASK 33-48-38-000-802).

Subtask 57-31-23-020-051-B ** ON A/C NOT FOR ALL

B. Removal of the Sharklet
(1) Disconnect the connector (1).
(2) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(3) Remove the bolts (5), (7), (9) and (10) to remove the bonding straps (6) and (8).
(4) Remove the bolts (44), the washers (43) and the angle support (42).
(5) Remove the lower seal (53) linearly from the aft, make sure that the lower seal (53) does not bend.
(6) Put the 98D57304003000 PROTECTOR - SHARKLET on the sharklet.

Hoist Points - Sharklet ** ON A/C NOT FOR ALL

(7) Position the 98D57304002000 HOIST SHARKLET to hold the sharklet.

Hoist Points - Sharklet ** ON A/C NOT FOR ALL

(8) Remove the bolt (19), the washer (18), the spacer (17) and the nut (16).
(9) Remove the bolt (25), the washer (24) to remove the bracket (23) from the bracket (22).
(10) Remove the nuts (20), the bolts (21) and the bracket (22).
(11) Remove the bolt (30), the washer (31), the spacer (32) and the nut (33).
(12) Remove the bolt (36) and the bracket (38).
(13) Remove the nuts (34), the bolts (35) and the bracket (37).
(14) Install the 98D57304001000 GRID TORQUE NUT or the 98D57304001001 GRID NUT TORQUE on the heads of the bolts (50).
(15) Make sure that the torque measurement device is removed from the KSK1194 SHARKLET TORQUE KIT or KSK1194A TORQUE TOOL KIT.

WARNING: SUPPORT THE UNIT/ASSEMBLY. THE UNIT/ASSEMBLY IS HEAVY. IF YOU DO NOT SUPPORT IT, IT WILL FALL. THIS CAN CAUSE INJURY TO PERSONS, AND/OR DAMAGE TO EQUIPMENT.

(16) Operate the 98D57304002000 HOIST SHARKLET to hold the sharklet and use the KSK1194 SHARKLET TORQUE KIT or KSK1194A TORQUE TOOL KIT to remove the bolts (50) and the washers (51).
(17) Remove the 98D57304001000 GRID TORQUE NUT or the 98D57304001001 GRID NUT TORQUE from the heads of the bolts (50).
(a) If required, remove and keep the barrel nuts of the bolts (50) for the sharklet installation.
(18) Use the 98D57304002000 HOIST SHARKLET to lower the sharklet by 5 degrees.

Sharklet Position

Sharklet Position ** ON A/C NOT FOR ALL

(19) If required, adjust the 98D57304002000 HOIST SHARKLET and use the 98D57304004000 EXTRACTOR LOWER PINS to remove the shear pins (52) and (54).
(20) Use the 98D57304002000 HOIST SHARKLET tension to move the sharklet away from the wing.
(21) Prevent damage to the component interfaces and the adjacent area.

[Rev.10 from 2021] 2026.04.01 02:12:23 UTC