Installation of the Rigid Control Assembly

TASK 25-62-43-400-002-A
Installation of the Rigid Control Assembly

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

ZONE: 240
FIN: 5002WM ** ON A/C NOT FOR ALL
FIN: 5003WM ** ON A/C NOT FOR ALL

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Consumable Materials

REFERENCE	DESIGNATION
(Material No.06AEA1)	Polysulfide Sealant-Low Adhesion Brushable -
(Material No.14QFB1)	Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
240	MID PASSENGER COMPARTMENT

C. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
1	COTTER PIN	AIPC 25-62-04-10-070
8	COTTER PINS	AIPC 25-62-43-01-080
1	COTTER PIN	AIPC 25-62-84-30-070

D. Referenced Information

REFERENCE	DESIGNATION
TASK 20-11-11-911-001-A	Safetying with Lockwire
TASK 21-20-00-010-001-A	Removal of the Air-Conditioning Distribution Ducts
TASK 21-20-00-410-001-A	Installation of the Air-Conditioning Distribution Ducts
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 24-42-00-862-001-A	De-energize the Ground Service Network Supplied from the External Power
TASK 25-21-41-000-001-A	Removal of the Passenger Seats
TASK 25-21-41-400-001-A	Installation of the Passenger Seats
TASK 25-23-47-000-002-A	Removal of the Upper Sidewall Panel Assy 241LW, (242LW), 241CW, (242CW) and 241FW, (242FW)
TASK 25-23-47-000-803-A	Removal of the Door Lining from the Overwing Emergency Exit
TASK 25-23-47-400-002-A	Installation of the Upper Sidewall Panel Assy 241LW, (242LW), 241CW, (242CW) and 241FW, (242FW)
TASK 25-23-47-400-803-A	Installation of the Door Lining on the Overwing Emergency Exit
TASK 25-23-48-000-001-A	Removal of the Cove Light Panel
TASK 25-23-48-400-001-A	Installation of the Cove Light Panel
TASK 25-24-41-000-001-A	Removal of the Overhead Stowage Compartments (OHSC)
TASK 25-24-41-400-001-A	Installation of the Overhead Stowage Compartments (OHSC)
TASK 25-62-00-081-001-A	Special Precautions after Work on the Offwing Escape-Slide Systems
TASK 25-62-00-481-001-A	Special Precautions before Work on the Offwing Escape-Slide Systems
Rigid Control Assembly ** ON A/C NOT FOR ALL
Rigid Control Assembly ** ON A/C NOT FOR ALL
Rigid Control Assembly ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 25-62-43-860-052-A ** ON A/C NOT FOR ALL

A. Get Access
(1) Make sure that the off-wing escape-slide system is safetied (Ref. AMM TASK 25-62-00-481-001).
(2) Make sure that the passenger seats in the area of the emergency exits are removed as necessary (Ref. AMM TASK 25-21-41-000-001).
(3) Make sure that the cove light panels 241KW (242KW) and 241GW (242GW) are removed (Ref. AMM TASK 25-23-48-000-001).
(4) Make sure that emergency-exit frame linings 241JW (242JW) and 241FW (242FW) are removed (Ref. AMM TASK 25-23-47-000-002).
(5) Make sure that the air conditioning duct is removed as necessary (Ref. AMM TASK 21-20-00-010-001).

Subtask 25-62-43-860-052-B ** ON A/C NOT FOR ALL

A. Get Access
(1) Make sure that the ground service network is energized
(Ref. AMM TASK 24-42-00-861-001).
(2) Make sure that the off-wing escape-slide system is safetied (Ref. AMM TASK 25-62-00-481-001).
(3) Make sure that the passenger seats in the area of the emergency exits are removed as necessary (Ref. AMM TASK 25-21-41-000-001).
(4) Make sure that the related overhead stowage compartments are removed (Ref. AMM TASK 25-24-41-000-001).
(5) Make sure that the cove light panels are removed (Ref. AMM TASK 25-23-48-000-001).
(6) Make sure that emergency-exit frame linings are removed (Ref. AMM TASK 25-23-47-000-803).
(7) Make sure that the air conditioning duct(s) is (are) removed as necessary (Ref. AMM TASK 21-20-00-010-001).

4. Procedure
Subtask 25-62-43-420-051-A ** ON A/C NOT FOR ALL

A. Install the Rigid Control Assembly
(1) Put the rigid control assembly (4) in position.
(2) Apply the new sealant:

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

(a) Apply Polysulfide Sealant-Low Adhesion Brushable - (Material No.06AEA1) to the bolts (6) and (12), the nuts (7) and (13).
(3) Install and tighten the bolts (6) and the nuts (7).
(4) Install and tighten the bolts (12) and the nuts (13).
(5) Put the clamps (16) in position and install and tighten the bolts (14) and the nuts (15).

NOTE: It is possible for the rigid control assembly (4) to move a small distance at its attachment points that follow:

The clamps (16)
The flanges
The brackets.

(6) Put the handles (11) in position and install the pins (9) and the washers (10) and safety with new AIPC 25-62-43-01-080 COTTER PINS (8) (8).
(7) Connect the rigid control assembly (4) to the latch lever (5) with the pin (2), the spacers and space washers (3) and safety with a new AIPC 25-62-04-10-070 COTTER PIN (1) (1).

Subtask 25-62-43-420-051-B ** ON A/C NOT FOR ALL

A. Install the Rigid Control Assembly

Rigid Control Assembly ** ON A/C NOT FOR ALL

(1) Put the rigid control assembly (4) in position.
(2) Apply the new sealant:

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

(a) Apply Polysulfide Sealant-Low Adhesion Brushable - (Material No.06AEA1) to the bolts (6) and (12), the nuts (7) and (13) and the mating surface of the bracket (10).
(3) Install and tighten the bolts (6) and (12) and the nuts (7) and (13).
(4) Put the clamps (16) in position and install and tighten the bolts (14) and the nuts (15).

NOTE: It is possible for the rigid control assembly (4) to move a small distance at its attachment points that follow:

The clamps (16)
The flanges
The brackets (10).

(5) Attach the handles (11) to the aircraft structure with the burr-strip (9).
(6) Connect the rigid control assembly (4) to the latch lever (5) with the pin (2), the spacers and space washers (3) and safety with a new AIPC 25-62-04-10-070 COTTER PIN (1) or AIPC 25-62-84-30-070 COTTER PIN (1) (1).

Subtask 25-62-43-420-051-D ** ON A/C NOT FOR ALL

A. Installation of the Rigid Control Assembly

Rigid Control Assembly ** ON A/C NOT FOR ALL

WARNING: MAKE SURE THAT THE LOCK PIN IS CORRECTLY INSTALLED IN THE REGULATOR VALVE ASSEMBLY OF THE INFLATION RESERVOIR. THIS SAFETIES ALL COMPONENTS OF THE INFLATION SYSTEM IN OPERATION AND PREVENTS ACCIDENTAL:

DISCHARGE OF THE INFLATION RESERVOIR
DEPLOYMENT OF THE ESCAPE SLIDE

WHICH CAN CAUSE INJURY AND/OR DAMAGE.

(1) Put the rigid control assembly (11) in position.
(2) Loosen the nuts (16).
(3) Install the bolts (14), the washers (15) and the nuts (17).
(4) Put the flange (23) in position and install the bolts (21), the washers (22) and the nuts (25).
(5) Tighten the nuts (17) and (25).
(6) Put the clamps (19) in position and install the washers (20) and the screws (18).
(7) Tighten the screws (18).
(8) Put the rigid control assembly (11) in position and install the pin (13), the spacer (12) and the washers (8).
(9) Safety the pin (13) with a new cotter pin (9).
(10) Tighten the nuts (16).

Subtask 25-62-43-820-051-B ** ON A/C NOT FOR ALL

B. Adjust the Release Mechanism

Rigid Control Assembly ** ON A/C NOT FOR ALL

(1) Move the latch lever (5) to the rear until it touches the latch lever bracket (21) at point 'A'.
(2) Move the bellcrank (17) to the rear until it touches the latch lever stop-bolt at point 'B'.
(3) Remove the lockwire from the spring strut adjust-nut (18).
(4) Adjust the over-center spring strut (19) until the full dimension between the flanges of both end bushes (26) is 53.00 +0.5 mm or -0.5 mm (2.09 +0.02 in. or -0.02 in.).
(5) Safety the spring strut adjust-nut (18) with 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.
(6) If necessary, adjust the rubber ice-protection bellows (25). Make sure that the bellows are correctly installed over the end bushes (26).
(7) Remove the lockwire and turn the sleeve adjust nuts (20) until you get a clearance of 0.5 mm (0.02 in.) at point 'A'. Measure the clearance between the lip of the latch lever (5) and the top of the latch lever bracket (21).
(8) Turn the sleeve adjust nuts (20) 5 full turns more in the direction to loosen the linkage of the rigid control assembly (4).
(9) Safety the sleeve adjust nuts (20) with 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.
(10) Remove the lockwire and turn the adjust nuts of the connecting-rod (22) until the release levers (23) touch the stops (24).
(11) Measure the clearance between the latch lever stop-bolt and the bellcrank (17) at point 'B'. You must have a clearance of 0.3 +0.1 mm or -0.1 mm (0.01 +0.00 in. or -0.00 in.).
(12) If the clearance is not in these limits, do steps (10) and (11) again.
(13) Safety the adjust nuts of the connecting-rod (22) with 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy -.

Subtask 25-62-43-820-051-C ** ON A/C NOT FOR ALL

B. Adjustment of the Release Mechanism

Rigid Control Assembly ** ON A/C NOT FOR ALL

(1) Move the latch lever (1) to the rear until it touches the latch lever bracket at point 'A'.
(2) Move the bellcrank (2) to the rear until it touches the latch lever stop-bolt at point 'B'.
(3) Make sure that the release levers (3) are in the upper end-position.

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.

(4) Remove the lockwire from the spring rod adjust-nut (7).
(5) Adjust the over-center spring rod (6) until the full dimension between the flanges of both end bushes (4) is 53.00 +0.5 mm or -0.5 mm (2.09 +0.02 in. or -0.02 in.).

(6) Safety the spring rod adjust-nut (7) with 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy - (Ref. AMM TASK 20-11-11-911-001).
(7) If necessary, adjust the bellows (5). Make sure that the bellows (5) are correctly installed over the end bushes (4).

(8) Remove the lockwire and turn the sleeve adjust nuts (10) until you get a clearance of 0.5 mm (0.02 in.) at point 'A'. Measure the clearance between the lip of the latch lever (1) and the top of the latch lever bracket.
(9) Turn the sleeve adjust nuts (10) five full turns more in the direction to loosen the linkage of the rigid control assembly (11).

(10) Safety the sleeve adjust nuts (10) with 14QFB1Wire-Locking Dia: 0.8 mm CRES Nickel Alloy - (Ref. AMM TASK 20-11-11-911-001).

5. Close-up
Subtask 25-62-43-410-052-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the air conditioning duct (Ref. AMM TASK 21-20-00-410-001).
(3) Install the emergency exit-frame linings (Ref. AMM TASK 25-23-47-400-002).
(4) Install the cove light panels (Ref. AMM TASK 25-23-48-400-001).
(5) Install the passenger seats (Ref. AMM TASK 25-21-41-400-001).
(6) Do the special precautions after work on the offwing escape-slide system (Ref. AMM TASK 25-62-00-081-001).

Subtask 25-62-43-410-052-B ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the air conditioning duct(s) (Ref. AMM TASK 21-20-00-410-001).
(3) Install the emergency exit-frame linings (Ref. AMM TASK 25-23-47-400-803).
(4) Install the cove light panels (Ref. AMM TASK 25-23-48-400-001).
(5) Install the overhead stowage compartments (Ref. AMM TASK 25-24-41-400-001).
(6) Install the passenger seats (Ref. AMM TASK 25-21-41-400-001).
(7) Do the special precautions after work on the offwing escape-slide system (Ref. AMM TASK 25-62-00-081-001).

Subtask 25-62-43-862-053-A ** ON A/C NOT FOR ALL

B. De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).

[Rev.10 from 2021] 2026.03.31 23:40:24 UTC