Installation of the High Speed Tape (Nacelle Anti-Icing (NAI) Hoisting Point Plug) [PW11]

TASK 71-61-00-040-805-A
Installation of the High Speed Tape (Nacelle Anti-Icing (NAI) Hoisting Point Plug)

WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE AFTER SHUTDOWN. THE ENGINE CAN STAY HOT FOR A LONG TIME. IF YOU DO NOT OBEY THIS INSTRUCTION, INJURY CAN OCCUR.

WARNING: WEAR APPLICABLE PERSONAL PROTECTIVE EQUIPMENT (PPE) WHEN YOU DO THIS TASK. BEFORE YOU USE PPE, READ, UNDERSTAND AND OBEY ALL INSTRUCTIONS FOR ITS USE. THESE INSTRUCTIONS INCLUDE INSTRUCTIONS FROM THE MANUFACTURER, YOUR EMPLOYER AND GOVERNMENT REGULATIONS. YOU CAN GET INJURED IF YOU DO NOT USE PPE. GET INSTRUCTIONS FROM YOUR EMPLOYER ON WHICH PPE IS NECESSARY.

1. Reason for the Job
CDL 71-06
NAI Hoisting Point Plug
To remove the inlet cowl hoist point insert bolt(s) and install high speed tape after the insert bolt(s) has become damaged or missing.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 1M (3 FT)-ADJUSTABLE

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.05RAB9)	Adhesive Film Tape-- Aluminium Foil -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR
FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR

D. Referenced Information

REFERENCE	DESIGNATION
TASK 71-00-00-860-833-A	Procedure to Prevent Engine Motoring
TASK 71-13-00-010-802-A	Opening of the Fan Cowl Doors
TASK 71-13-00-410-802-A	Closing of the Fan Cowl Doors
SRM 517712
Inlet Cowl Hoist Point Plug

3. Job Set-up
Subtask 71-61-00-941-084-A ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) Do the procedure to prevent engine motoring
(Ref. AMM TASK 71-00-00-860-833).

Subtask 71-61-00-010-060-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Open the fan cowl doors (Ref. AMM TASK 71-13-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL 448AR
(2) Put an ACCESS PLATFORM 1M (3 FT)-ADJUSTABLE in position.

4. Procedure
Subtask 71-61-00-420-062-A ** ON A/C NOT FOR ALL

A. Installation of the High Speed Tape

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

(1) If the damaged insert bolt(s) are there, remove the bolt(s) from the hoist point(s) on the inlet cowl.
(2) Cut the Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) to the correct dimensions to the opening of the inlet cowl hoist point(s) SRM 517712.
(3) Apply the Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) to the opening of the inlet cowl hoist point(s) SRM 517712.
(4) Make the Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) smooth on the mating surfaces of the inlet cowl. Remove the air pockets and push the edges of the Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) tightly SRM 517712.
(5) Make sure that the Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) gives the same protection as the insert bolt(s).

5. Close-up
Subtask 71-61-00-410-061-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) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL 448AR
(3) Remove the access platform(s).
(4) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.01 02:33:24 UTC