Installation of the Inner and Outer Fixed Structure Seals [CFML]

TASK 78-32-65-400-802-A
Installation of the Inner and Outer Fixed Structure Seals

WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE PARTS AFTER THE ENGINE SHUTDOWN. USE APPLICABLE THERMAL GLOVES. THE ENGINE PARTS CAN STAY HOT FOR ONE HOUR AFTER SHUTDOWN AND CAN BURN YOU.

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

ZONE: 400

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
No specific	AR	WARNING NOTICE(S)

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.CPNCL00963)	silicon adhesive sealant RTV106
(Material No.CPNCL02069)	LINT-FREE COTTON CLOTH
(Material No.CPNCL02086)	SCOTCH BRITE PADS
(Material No.CPNCL02589)	GENERAL CLEANING AGENT - MULTI PURPOSE

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
400	POWER PLANT, NACELLES AND PYLONS
FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL, 438AR, 451AL, 452AR
FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL, 448AR, 461AL, 462AR

D. Referenced Information

REFERENCE	DESIGNATION
TASK 71-13-00-010-803-A	Opening of the Fan Cowl Doors
TASK 71-13-00-410-803-A	Closing of the Fan Cowl Doors
TASK 78-30-00-040-807-A	Deactivation of the Thrust Reverser System for Nacelle Maintenance (ICU)
TASK 78-30-00-440-807-A	Reactivation of the Thrust Reverser System after Nacelle Maintenance (ICU)
TASK 78-36-00-010-806-A	Opening of the Thrust Reverser Cowl Doors
TASK 78-36-00-410-806-A	Closing of the Thrust Reverser Cowl Doors
Inner-Fixed Structure Seals
Inner-Fixed Structure Seals
General Rules for Seals Installation

3. Job Set-up
Subtask 78-32-65-941-056-A

A. Safety Precautions
(1) On the center pedestal, on ENG panel 115VU:
(a) Make sure that the ENG/MODE selector switch is in the NORM position.
(b) Make sure that the ENG/MASTER 1(2) control switch was in the OFF position not less than five minutes before you do this procedure.
(c) Make sure that the WARNING NOTICE(S) are in position to tell persons not to operate:

The ENG/MODE selector switch
The ENG/MASTER 1(2) control switch.

(2) On the ENG section of maintenance panel 50VU:
(a) Make sure that the ON legend of the FADEC GND PWR/1(2) pushbutton switch is off.
(b) Make sure that the WARNING NOTICE(S) is in position to tell persons not to energize FADEC 1(2).

Subtask 78-32-65-010-058-A

B. Get Access
(1) Make sure that the fan cowl doors are open (Ref. AMM TASK 71-13-00-010-803):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL 438AR.
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL 448AR.
(2) Make sure that the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE is in position.

Subtask 78-32-65-040-055-A

C. Deactivation of the Thrust Reverser System for Maintenance

WARNING: YOU MUST DEACTIVATE THE THRUST REVERSER BEFORE YOU DO WORK ON OR AROUND IT. IF YOU DO NOT, THE THRUST REVERSER CAN OPERATE ACCIDENTALLY AND CAUSE AN INJURY AND/OR DAMAGE.

(1) Make sure that you did the deactivation of the thrust reverser system for nacelle maintenance (Ref. AMM TASK 78-30-00-040-807).

Subtask 78-32-65-010-059-A

D. Get Access
(1) Make sure that the thrust reverser cowl-doors are open (Ref. AMM TASK 78-36-00-010-806):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
451AL 452AR.
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
461AL 462AR.

4. Procedure
Subtask 78-32-65-420-051-A

A. Installation of the Inner-Fixed Structure Seals

NOTE: General rules to install the thrust-reverser cowl seals.

General Rules for Seals Installation

NOTE: Each seal can be assembled separately but the operation order of the procedure gives the best order to do the replacement of a complete inner fixed structure seals.

(1) Installation of the left hand side V-groove 6 o'clock seal (1) and the right hand side V-groove 6 o'clock seal (23):

NOTE: This procedure is given for the left hand side V-groove 6 o'clock seal (1). It is same for the right hand side V-groove 6 o'clock seal (23).

NOTE: If the V-groove 6 o'clock seal (1) POST SPOL BD-TR-17036 must be installed with the fire shield PRE SPOL BD-TR-17036, fill the gap between the fire shield and the V-groove 6 o'clock seal (1) POST SPOL BD-TR-17036.

(a) Make rough the surface of the seal to be bonded with the SCOTCH BRITE PADS (Material No.CPNCL02086) .
(b) Clean the left hand side V-groove 6 o'clock block seal (1) and the surface to be bonded with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) made moist with GENERAL CLEANING AGENT - MULTI PURPOSE (Material No.CPNCL02589) .
(c) Dry the left hand side V-groove 6 o'clock block seal (1) surface with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) before the solvent becomes gas.
(d) Apply silicon adhesive sealant RTV106 (Material No.CPNCL00963) on the contact areas of the left hand side V-groove 6 o'clock block seal (1) with the seal retainer.
(e) Install the left hand side V-groove 6 o'clock block seal (1).
(f) Remove unwanted silicon adhesive sealant RTV106 (Material No.CPNCL00963) .
(2) Installation of the left hand side tripod upper bifi 12 o'clock seal (2) and the right hand side tripod upper bifi 12 o'clock seal (24):

NOTE: This procedure is given for the left hand side tripod upper bifi 12 o'clock seal (2). It is same for the right hand side tripod upper bifi 12 o'clock seal (24).

(a) Make rough the surface of the seal to be bonded with the SCOTCH BRITE PADS (Material No.CPNCL02086) .
(b) Clean the left hand side tripod upper bifi 12 o'clock seal (2) and the surface to be bonded with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) made moist with GENERAL CLEANING AGENT - MULTI PURPOSE (Material No.CPNCL02589) .
(c) Dry the left hand side tripod upper bifi 12 o'clock seal (2) surface with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) before the solvent becomes gas.
(d) Apply silicon adhesive sealant RTV106 (Material No.CPNCL00963) on the contact areas of the left hand side tripod upper bifi 12 o'clock seal (2) with the seal retainer.
(e) Put the left hand side tripod upper bifi 12 o'clock seal (2) in position on the seal retainer.
(f) Remove unwanted silicon adhesive sealant RTV106 (Material No.CPNCL00963) .
(3) Installation of the left hand side tripode lower bifi 12 o'clock seal (3) and the right hand side tripod lower bifi 12 o'clock seal (25):

NOTE: This procedure is given for the left hand side tripode lower bifi 12 o'clock seal (3). It is same for the right hand side tripod lower bifi 12 o'clock seal (25).

(a) Make rough the surface of the seal to be bonded with the SCOTCH BRITE PADS (Material No.CPNCL02086) .
(b) Clean the left hand side tripod lower bifi 12 o'clock seal (3) and the surface to be bonded with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) made moist with GENERAL CLEANING AGENT - MULTI PURPOSE (Material No.CPNCL02589) .
(c) Dry the left hand side tripod lower bifi 12 o'clock seal (3) surface with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) before the solvent becomes gas.
(d) Apply silicon adhesive sealant RTV106 (Material No.CPNCL00963) on the contact areas of the left hand side tripod lower bifi 12 o'clock seal (3) with the seal retainer.
(e) Install the left hand side tripod lower bifi 12 o'clock seal (3) on the seal retainer.
(f) Remove unwanted silicon adhesive sealant RTV106 (Material No.CPNCL00963) .
(4) Installation of the left hand side tripod 6 o'clock seal (4) and the right hand side tripod 6 o'clock seal (26):

NOTE: This procedure is given for the left hand side tripod 6 o'clock seal (4). It is same for the right hand side tripod 6 o'clock seal (26).

(a) Make rough the surface of the seal to be bonded with the SCOTCH BRITE PADS (Material No.CPNCL02086) .
(b) Clean the left hand side tripod 6 o'clock seal (4) and the surface to be bonded with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) made moist with GENERAL CLEANING AGENT - MULTI PURPOSE (Material No.CPNCL02589) .
(c) Dry the left hand side tripod 6 o'clock seal (4) surface with a LINT-FREE COTTON CLOTH (Material No.CPNCL02069) before the solvent becomes gas.
(d) Apply silicon adhesive sealant RTV106 (Material No.CPNCL00963) on the contact areas of the left hand side tripod 6 o'clock seal (4) with the seal retainer.
(e) Install the left hand side tripod 6 o'clock seal (4) on the seal retainer.
(f) Remove unwanted silicon adhesive sealant RTV106 (Material No.CPNCL00963) .
(5) Installation of the left hand side aft pylon seal (5) and the right hand side aft pylon seal (27):

NOTE: This procedure is given for the left hand side aft pylon seal (5). It is same for the right hand side aft pylon seal (27).

(a) Make sure that the ventilation holes of the left hand side aft pylon seal are on the lower face.
(b) Make rough the surface of the seal to be bonded with the SCOTCH BRITE PADS (Material No.CPNCL02086) .
(c) Clean the left hand side aft pylon seal (5) and the surface to be bonded with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) made moist with GENERAL CLEANING AGENT - MULTI PURPOSE (Material No.CPNCL02589) .
(d) Dry the left hand side aft pylon seal (5) surface with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) before the solvent becomes gas.
(e) Apply silicon adhesive sealant RTV106 (Material No.CPNCL00963) on the contact areas of the left hand side aft pylon seal (5) with the seal retainer.
(f) Install the left hand side aft pylon seal (5) on the seal retainer.
(g) Remove unwanted silicon adhesive sealant RTV106 (Material No.CPNCL00963) .
(6) Installation of the left hand side front pylon seal (6) and the right hand side front pylon seal (28):

NOTE: This procedure is given for the left hand side front pylon seal (6). It is same for the right hand side front pylon seal (28).

(a) Make sure that the ventilation holes of the left hand side front pylon seal are on the lower face.
(b) Put the left hand side front pylon seal (6) in position.
(c) Cut the unwanted length of the left hand side front pylon seal (6).
(d) Make rough the surface of the seal to be bonded with the SCOTCH BRITE PADS (Material No.CPNCL02086) .
(e) Clean the left hand side front pylon seal (6) and the surface to be bonded with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) made moist with GENERAL CLEANING AGENT - MULTI PURPOSE (Material No.CPNCL02589) .
(f) Dry the left hand side front pylon seal (6) surface with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) before the solvent becomes gas.
(g) Apply silicon adhesive sealant RTV106 (Material No.CPNCL00963) on the contact areas of the left hand side front pylon seal (6) with the seal retainer.
(h) Install the left hand side front pylon seal (6) on the seal retainer.
(i) Remove unwanted silicon adhesive sealant RTV106 (Material No.CPNCL00963) .
(7) Installation of the left hand side lower bifi 6 o'clock seal (7) and the right hand side lower bifi 6 o'clock seal (29):

NOTE: This procedure is given for the left hand side lower bifi 6 o'clock seal (7). It is same for the right hand side lower bifi 6 o'clock seal (29).

(a) Make sure that the ventilation holes of the left hand side lower bifi 6 o'clock seal are on the forward face.
(b) Put the left hand side lower bifi 6 o'clock seal (7) in position.
(c) Cut the unwanted length of the left hand side lower bifi 6 o'clock seal (7).
(d) Make rough the surface of the seal to be bonded with the SCOTCH BRITE PADS (Material No.CPNCL02086) .
(e) Clean the left hand side lower bifi 6 o'clock seal (7) and the surface to be bonded with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) made moist with GENERAL CLEANING AGENT - MULTI PURPOSE (Material No.CPNCL02589) .
(f) Dry the left hand side lower bifi 6 o'clock seal (7) surface with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) before the solvent becomes gas.
(g) Apply silicon adhesive sealant RTV106 (Material No.CPNCL00963) on the contact areas of the left hand side lower bifi 6 o'clock seal (9) with the seal retainer.
(h) Install the left hand side lower bifi 6 o'clock seal (7) on the seal retainer.
(i) Remove unwanted silicon adhesive sealant RTV106 (Material No.CPNCL00963) .

PRE SPOL BD-TR-18031

(8) Installation of the left hand side lower barrel 6 o'clock seal (8) and the right hand side lower barrel 6 o'clock seal (30):

NOTE: This procedure is given for the left hand side lower barrel 6 o'clock seal (8). It is same for the right hand side lower barrel 6 o'clock seal (30).

(a) Before to install the seal, on the barrel extremity side, cut the seal in accordance with the mark on the seal.
(b) Make sure that the ventilation holes of the left hand side lower barrel 6 o'clock seal are on the forward face.
(c) Put the left hand side lower barrel 6 o'clock seal (8) in position.
(d) Cut the unwanted length of the left hand side lower barrel 6 o'clock seal (8).
(e) Make rough the surface of the seal to be bonded with the SCOTCH BRITE PADS (Material No.CPNCL02086) .
(f) Clean the left hand side lower barrel 6 o'clock seal (8) and the surface to be bonded with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) made moist with GENERAL CLEANING AGENT - MULTI PURPOSE (Material No.CPNCL02589) .
(g) Dry the left hand side lower barrel 6 o'clock seal (8) surface with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) before the solvent becomes gas.
(h) Apply silicon adhesive sealant RTV106 (Material No.CPNCL00963) on the contact areas of the left hand side lower barrel 6 o'clock seal (8) with the seal retainer.
(i) Install the left hand side lower barrel 6 o'clock seal (8) on the seal retainer.
(j) Remove unwanted silicon adhesive sealant RTV106 (Material No.CPNCL00963) .
(9) Installation of the left hand side barrel seal (9) and the right hand side barrel seal (31):

NOTE: This procedure is given for the left hand side barrel seal (9). It is same for the right hand side barrel seal (31).

(a) Make sure that the ventilation holes of the left hand side barrel seal are on the forward face.
(b) Put the left hand side barrel seal (9) in position.
(c) Cut the unwanted length of the left hand side barrel seal (9).
(d) Make rough the surface of the seal to be bonded with the SCOTCH BRITE PADS (Material No.CPNCL02086) .
(e) Clean the left hand side barrel seal (9) and the surface to be bonded with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) made moist with GENERAL CLEANING AGENT - MULTI PURPOSE (Material No.CPNCL02589) .
(f) Dry the left hand side barrel seal (9) surface with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) before the solvent becomes gas.
(g) Apply silicon adhesive sealant RTV106 (Material No.CPNCL00963) on the contact areas of the left hand side barrel seal (9) with the seal retainer.
(h) Install the left hand side barrel seal (9) on the seal retainer.
(i) Remove unwanted silicon adhesive sealant RTV106 (Material No.CPNCL00963) .

END OF PRE SPOL BD-TR-18031

POST SPOL BD-TR-18031

(10) Installation of the merged barrel left hand side seal (39) and the merged barrel right hand side seal (40):

NOTE: This procedure is given for the merged barrel left hand side seal (39). It is same for the merged barrel right hand side seal (40).

(a) Make sure that the ventilation holes of the merged barrel left hand side seal are on the forward face.
(b) Put the merged barrel left hand side seal (39) in position.
(c) Cut the unwanted length of the merged barrel left hand side seal (39).
(d) Make rough the surface of the seal to be bonded with the SCOTCH BRITE PADS (Material No.CPNCL02086) .
(e) Clean the merged barrel left hand side seal (39) and the surface to be bonded with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) made moist with GENERAL CLEANING AGENT - MULTI PURPOSE (Material No.CPNCL02589) .
(f) Dry the merged barrel left hand side seal (39) surface with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) before the solvent becomes gas.
(g) Apply silicon adhesive sealant RTV106 (Material No.CPNCL00963) on the contact areas of the merged barrel left hand side seal (39) with the seal retainer.
(h) Install the merged barrel left hand side seal (39) on the seal retainer.
(i) Remove unwanted silicon adhesive sealant RTV106 (Material No.CPNCL00963) .

END OF POST SPOL BD-TR-18031

(11) Installation of the left hand side upper bifi 12 o'clock seal (10) and the right hand side upper bifi 12 o'clock seal (32):

NOTE: This procedure is given for the left hand side upper bifi 12 o'clock seal (10). It is same for the right hand side upper bifi 12 o'clock seal (32).

(a) Make sure that the ventilation holes of the left hand side upper bifi 12 o'clock seal are on the forward face.
(b) Put the left hand side upper bifi 12 o'clock seal (10) in position.
(c) Cut the unwanted length of the left hand side upper bifi 12 o'clock seal (10).

NOTE: In order to have a well installation of the seal in the retainer, the seal can be cut on the both extremity.

(d) Make rough the surface of the seal to be bonded with the SCOTCH BRITE PADS (Material No.CPNCL02086) .
(e) Clean the left hand side upper bifi 12 o'clock seal (10) and the surface to be bonded with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) made moist with GENERAL CLEANING AGENT - MULTI PURPOSE (Material No.CPNCL02589) .
(f) Dry the left hand side upper bifi 12 o'clock seal (10) surface with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) before the solvent becomes gas.
(g) Apply silicon adhesive sealant RTV106 (Material No.CPNCL00963) on the contact areas of the left hand side upper bifi 12 o'clock seal (10) with the seal retainer.
(h) Install the left hand side upper bifi 12 o'clock seal (10) on the seal retainer.
(i) Remove unwanted silicon adhesive sealant RTV106 (Material No.CPNCL00963) .
(12) Installation of the left hand side coat hanger 12 o'clock seal (11) and the right hand side coat hanger 12 o'clock seal (33):

NOTE: This procedure is given for the left hand side coat hanger 12 o'clock seal (11). It is same for the right hand side coat hanger 12 o'clock seal (33).

(a) Make sure that the ventilation holes of the left hand side coat hanger 12 o'clock seal are on the forward face.
(b) Put the left hand side coat hanger 12 o'clock seal (11) in position.
(c) Cut the unwanted length of the left hand side coat hanger 12 o'clock seal (11).
(d) Make rough the surface of the seal to be bonded with the SCOTCH BRITE PADS (Material No.CPNCL02086) .
(e) Clean the left hand side coat hanger 12 o'clock seal (11) and the surface to be bonded with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) made moist with GENERAL CLEANING AGENT - MULTI PURPOSE (Material No.CPNCL02589) .
(f) Dry the left hand side coat hanger 12 o'clock seal (11) surface with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) before the solvent becomes gas.
(g) Apply silicon adhesive sealant RTV106 (Material No.CPNCL00963) on the contact areas of the left hand side coat hanger 12 o'clock seal (11) with the seal retainer.
(h) Install the left hand side coat hanger 12 o'clock seal (11) on the seal retainer.
(i) Remove unwanted silicon adhesive sealant RTV106 (Material No.CPNCL00963) .
(13) Installation of the left hand side V-blade 12 o'clock seal (12) and the right hand side V-blade 12 o'clock seal (34):

NOTE: This procedure is given for the left hand side V-blade 12 o'clock seal (12). It is same for the right hand side V-blade 12 o'clock seal (34).

(a) Put the left hand side V-blade 12 o'clock seal (12) in position.

NOTE: A gap between 0 mm (0.00 in.) and 2 mm (0.08 in.) from the edge of the seal retainer to the seal block area is accepted.

(b) Cut the unwanted length of the left hand side V-blade 12 o'clock seal (12).
(c) Make rough the surface of the seal to be bonded with the SCOTCH BRITE PADS (Material No.CPNCL02086) .
(d) Clean the left hand side V-blade 12 o'clock seal (12) and the surface to be bonded with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) made moist with GENERAL CLEANING AGENT - MULTI PURPOSE (Material No.CPNCL02589) .
(e) Dry the left hand side V-blade 12 o'clock seal (12) surface with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) before the solvent becomes gas.
(f) Apply silicon adhesive sealant RTV106 (Material No.CPNCL00963) on the contact areas of the left hand side V-blade 12 o'clock seal (12) with the seal retainer.
(g) Install the left hand side V-blade 12 o'clock seal (12) on the seal retainer.
(h) Remove unwanted silicon adhesive sealant RTV106 (Material No.CPNCL00963) .
(14) Installation of the left hand side front 6 o'clock seal (13) and the right hand side front 6 o'clock seal (35):

NOTE: This procedure is given for the left hand side front 6 o'clock seal (13). It is same for the right hand side front 6 o'clock seal (35).

(a) Put the left hand side front 6 o'clock seal (13) in position.
(b) Cut the unwanted length of the left hand side front 6 o'clock seal (13).
(c) Make rough the surface of the seal to be bonded with the SCOTCH BRITE PADS (Material No.CPNCL02086) .
(d) Clean the left hand side front 6 o'clock seal (13) and the surface to be bonded with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) made moist with GENERAL CLEANING AGENT - MULTI PURPOSE (Material No.CPNCL02589) .
(e) Dry the left hand side front 6 o'clock seal (13) surface with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) before the solvent becomes gas.
(f) Apply silicon adhesive sealant RTV106 (Material No.CPNCL00963) on the contact areas of the left hand side front 6 o'clock seal (13).
(g) Install the left hand side front 6 o'clock seal (13) on the seal retainer.
(h) Remove unwanted silicon adhesive sealant RTV106 (Material No.CPNCL00963) .
(15) Installation of the left hand side front 6 o'clock aft seal (14):

NOTE: This procedure is applicable only for the left hand side front 6 o'clock aft seal (14) on the left thrust reverser.

(a) Make rough the surface of the seal to be bonded with the SCOTCH BRITE PADS (Material No.CPNCL02086) .
(b) Clean the left hand side front 6 o'clock aft seal (14) and the surface to be bonded with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) made moist with GENERAL CLEANING AGENT - MULTI PURPOSE (Material No.CPNCL02589) .
(c) Dry the left hand side front 6 o'clock aft seal (14) surface with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) before the solvent becomes gas.
(d) Apply silicon adhesive sealant RTV106 (Material No.CPNCL00963) on the contact areas of the left hand side front 6 o'clock aft seal (14).
(e) Install the left hand side front 6 o'clock aft seal (14) on the seal retainer.
(f) Remove unwanted silicon adhesive sealant RTV106 (Material No.CPNCL00963) .
(16) Installation of the left hand side aft 6 o'clock aft seal (15):

NOTE: This procedure is applicable only for the left hand side aft 6 o'clock aft seal (15) on the left thrust reverser.

(a) Put the left hand side aft 6 o'clock aft seal (15) in position.
(b) Cut the unwanted length of the left hand side aft 6 o'clock aft seal (15).
(c) Make rough the surface of the seal to be bonded with the SCOTCH BRITE PADS (Material No.CPNCL02086) .
(d) Clean the left hand side aft 6 o'clock aft seal (15) and the surface to be bonded with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) made moist with GENERAL CLEANING AGENT - MULTI PURPOSE (Material No.CPNCL02589) .
(e) Dry the left hand side aft 6 o'clock aft seal (15) surface with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) before the solvent becomes gas.
(f) Apply silicon adhesive sealant RTV106 (Material No.CPNCL00963) on the contact areas of the left hand side aft 6 o'clock aft seal (15) with the seal retainer.
(g) Install the left hand side aft 6 o'clock aft seal (15) on the seal retainer.
(h) Remove unwanted silicon adhesive sealant RTV106 (Material No.CPNCL00963) .
(17) Installation of the left hand side L3 lap block seal (16):

NOTE: This procedure is applicable for the left hand side L3 lap block seal (16) only on the left thrust reverser.

(a) Make rough the surface of the seal to be bonded with the SCOTCH BRITE PADS (Material No.CPNCL02086) .
(b) Clean the left hand side L3 lap block seal (16) and the surface to be bonded with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) made moist with GENERAL CLEANING AGENT - MULTI PURPOSE (Material No.CPNCL02589) .
(c) Dry the left hand side L3 lap block seal (16) surface with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) before the solvent becomes gas.
(d) Apply silicon adhesive sealant RTV106 (Material No.CPNCL00963) on the contact areas of the left hand side L3 lap block seal (16).
(e) Install the left hand side L3 lap block seal (16).
(f) Remove unwanted silicon adhesive sealant RTV106 (Material No.CPNCL00963) .
(18) Installation of the left hand side forward fairing seals (17) and (18):

NOTE: This procedure is applicable for the left hand side forward fairing seals (17) and (18) only on the left thrust reverser.

(a) Make rough the surface of the seal to be bonded with the SCOTCH BRITE PADS (Material No.CPNCL02086) .
(b) Clean the left hand side forward fairing seals (17) and (18) and the surface to be bonded with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) made moist with GENERAL CLEANING AGENT - MULTI PURPOSE (Material No.CPNCL02589) .
(c) Dry the left hand side forward fairing seals (17) and (18) surface with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) before the solvent becomes gas.
(d) Apply silicon adhesive sealant RTV106 (Material No.CPNCL00963) on the contact areas of the left hand side forward fairing seals (17) and (18).
(e) Pull the protrusion of the left hand side forward fairing seals (17) and (18) through the seal retainers (20).
(f) Press in position the left hand side forward fairing seals (17) and (18) during the whole curing time of the sealant.
(g) Remove unwanted silicon adhesive sealant RTV106 (Material No.CPNCL00963) .
(19) Installation of the left hand side aft fairing seal (19) and right hand side aft fairing seal (36):

NOTE: This procedure is applicable for the left hand side aft fairing seal (19). It is same for the right hand side aft fairing seal (36).

(a) Make rough the surface of the seal to be bonded with the SCOTCH BRITE PADS (Material No.CPNCL02086) .
(b) Clean the left hand side aft fairing seal (19) and the surface to be bonded with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) made moist with GENERAL CLEANING AGENT - MULTI PURPOSE (Material No.CPNCL02589) .
(c) Dry the left hand side seal fairing aft (19) surface with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) before the solvent becomes gas.
(d) Apply silicon adhesive sealant RTV106 (Material No.CPNCL00963) on the contact areas of the left hand side aft fairing seal (19).
(e) Pull the protrusion of the left hand side aft fairing seal (19) through the seal retainer (20).
(f) Press in position the left hand side aft fairing seal (19) during the whole curing time of the sealant.
(g) Remove unwanted silicon adhesive sealant RTV106 (Material No.CPNCL00963) .
(20) Installation of the left hand side beaver tail seal aft 12 o'clock (21) and right hand side beaver tail seal aft 12 o'clock (37):

NOTE: This procedure is applicable for the left hand side beaver tail seal aft 12 o'clock (21). It is same for the right hand side beaver tail seal aft 12 o'clock (37).

(a) Make rough the surface of the seal to be bonded with the SCOTCH BRITE PADS (Material No.CPNCL02086) .
(b) Clean the left hand side beaver tail seal aft 12 o'clock (21) and the surface to be bonded with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) made moist with GENERAL CLEANING AGENT - MULTI PURPOSE (Material No.CPNCL02589) .
(c) Dry the left hand side beaver tail seal aft 12 o'clock (21) surface with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) before the solvent becomes gas.
(d) Apply silicon adhesive sealant RTV106 (Material No.CPNCL00963) on the contact areas of the left hand side beaver tail seal aft 12 o'clock (21).
(e) Install with the help of the template the left hand side beaver tail seal aft 12 o'clock (21) on the beaver tail.

NOTE: Use the temporary template realized during the removal to localize the new seal.

(f) Press in position the left hand side beaver tail seal aft 12 o'clock (21) during the whole curing time of the sealant.
(g) Remove unwanted silicon adhesive sealant RTV106 (Material No.CPNCL00963) .
(21) Installation of the left hand side beaver tail seal front 12 o'clock (22) and right hand side beaver tail seal front 12 o'clock (38):

NOTE: This procedure is applicable for the left hand side beaver tail seal front 12 o'clock (22). It is same for the right hand side beaver tail seal front 12 o'clock (38).

(a) Make rough the surface of the seal to be bonded with the SCOTCH BRITE PADS (Material No.CPNCL02086) .
(b) Clean the left hand side beaver tail seal front 12 o'clock (22) and the surface to be bonded with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) made moist with GENERAL CLEANING AGENT - MULTI PURPOSE (Material No.CPNCL02589) .
(c) Dry the left hand side beaver tail seal front 12 o'clock (22) and the surface with the LINT-FREE COTTON CLOTH (Material No.CPNCL02069) before the solvent becomes gas.
(d) Apply silicon adhesive sealant RTV106 (Material No.CPNCL00963) on the contact areas of the left hand side beaver tail seal front 12 o'clock (22).
(e) Install the left hand side beaver tail seal front 12 o'clock (22) on the beavertail.

NOTE: Use the temporary template realized during the removal to localize the new seal.

(f) Press in position the left hand side beaver tail seal front 12 o'clock (22) during the whole curing time of the sealant.
(g) Remove unwanted silicon adhesive sealant RTV106 (Material No.CPNCL00963) .

5. Close-up
Subtask 78-32-65-410-056-A

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the thrust reverser cowl-doors (Ref. AMM TASK 78-36-00-410-806):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
451AL 452AR.
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
461AL 462AR.

Subtask 78-32-65-440-056-A

B. Do the reactivation of the thrust reverser system after nacelle maintenance (Ref. AMM TASK 78-30-00-440-807).

Subtask 78-32-65-410-057-A

C. Close Access
(1) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-803):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL 438AR.
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL 448AR.
(2) Remove the access platform(s).
(3) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.01 03:36:36 UTC