Deactivation of the Access Door of the Hydraulic Ground Connector (197CB, 197EB and 198CB)

TASK 52-42-00-040-802-A
Deactivation of the Access Door of the Hydraulic Ground Connector (197CB, 197EB and 198CB)

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

ZONE: 190

1. Reason for the Job
CDL 52-02
Access Door To Hydraulic Ground Connectors 197 CB - 197 EB - 198 CB
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 2M (6 FT)

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.05RAB9)	Adhesive Film Tape-- Aluminium Foil -
(Material No.05RAC1)	Adhesive Film Tape-- Aluminium Foil - Sound damping -
(Material No.08BAA9)	Non Aqueous Cleaner-General - -
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
190	BELLY FAIR, AIR CONDITIONING & HYD COMPT
197CB, 197EB, 198CB

D. Referenced Information

REFERENCE	DESIGNATION
TASK 12-12-29-611-001-A	Fill the Hydraulic Fluid Reservoir with a Hand Pump
TASK 12-12-29-611-002-A	Fill the Hydraulic Fluid Reservoir with a Hydraulic Service Cart
TASK 52-42-00-440-802-A	Reactivation of the Access Door of the Hydraulic Ground Connector (197CB, 197EB and 198CB)
TASK 52-42-22-000-001-A	Removal of the Ground Service Panel Door of the Green Hydraulic System (197CB)
TASK 52-42-23-000-001-A	Removal of the Ground Service Panel Door of the Yellow Hydraulic System (198CB)
TASK 52-42-25-000-001-A	Removal of the Ground Service Panel Door of the Blue Hydraulic System (197EB)
SRM 517712
Access Door of the Hydraulic Ground Connector

3. Job Set-up
Subtask 52-42-00-010-053-A

A. Get Access
(1) Put an ACCESS PLATFORM 2M (6 FT) in position below the damaged access door.

Subtask 52-42-00-860-058-A

B. Aircraft Maintenance Configuration
(1) Before you start the deactivation procedure, make sure that the fluid level in the hydraulic fluid reservoir is correct.
(2) If necessary, fill the hydraulic fluid reservoir (Ref. AMM TASK 12-12-29-611-001) or (Ref. AMM TASK 12-12-29-611-002).

4. Procedure
Subtask 52-42-00-040-054-A

A. Deactivation of the Access Door

Access Door of the Hydraulic Ground Connector

(1) Remove the remaining part of the damaged access door:

(2) Attach the remaining support link temporarily to the adjacent belly fairing structure.
(3) Make sure that the work area is clean and clear of tools and other items.
(4) Use Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) to clean the belly fairing around the cutout of the access door.
(5) Apply three layers of the high-speed tape, Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) , to the cutout of the access door as follows:

NOTE: The replacement of the high-speed tape, Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) , is necessary after three days.

NOTE: It is permitted to use the tape, Adhesive Film Tape-- Aluminium Foil - Sound damping - (Material No.05RAC1) , as an alternative of the high-speed tape, Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) , to deactivate access door 197CB.

(a) Apply the first layer longitudinally across the cutout of the access door.
(b) Apply the second layer diagonally on the first layer. Make sure that there is an overlap of each tape strip.
(c) Apply the third layer diagonally opposite to the second layer. Make sure that there is an overlap of each tape strip.
(6) If the reactivation of the access door (Ref. AMM TASK 52-42-00-440-802) is not done in 7 days, do the inspection of the integrity of the high speed tape SRM 517712.

5. Close-up
Subtask 52-42-00-942-053-A

A. Close-up
(1) Remove the access platform(s).
(2) Make an entry in the aircraft logbook.

[Rev.10 from 2021] 2026.04.02 06:28:17 UTC