Installation of the Main Door Assy after Removal for Access

TASK 32-22-11-410-001-A
Installation of the Main Door Assy after Removal for Access

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

1. Reason for the Job
This procedure is only applicable when the main door assy was removed for access. For the applicable procedure to install the main door assy after replacement, Ref. TASK 32-22-11-400-001.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
No specific	AR	SAFETY BARRIER(S)
No specific	AR	WARNING NOTICE(S)
No specific	Torque wrench: range to between 0.61 and 0.6 m.daN (53.98 and 53.10 lbf.in )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.03GBB1)	Synthetic Oil base Grease-General Purpose Clay Thickened -
(Material No.03GBC1)	Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. -
(Material No.06AAA1)	Polysulfide Sealant_General Purpose Brushable -

C. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
13	COTTER PIN	AIPC 32-22-01-02-010
3	COTTER PINS	AIPC 32-22-01-02-010
17	COTTER PIN	AIPC 32-22-11-01-180
19	BUSH	AIPC 32-22-11-01-220
13	COTTER PIN	AIPC 32-22-81-02-030
3	COTTER PIN	AIPC 32-22-81-02-030

D. Referenced Information

REFERENCE	DESIGNATION
TASK 12-22-32-640-002-A	Lubrication of Nose Landing Gear and Doors
TASK 32-22-00-010-001-A	Nose Gear Doors - Ground Doors Opening
TASK 32-22-00-410-001-A	Nose Gear Doors - Ground Doors Closing
NLG Main Doors ** ON A/C NOT FOR ALL
NLG Main Doors ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 32-22-11-860-052-A

A. Aircraft Maintenance Configuration
(1) In the cockpit, on the panel 400VU, make sure that the WARNING NOTICE(S) is (are) in position to tell persons not to operate the landing gear control lever.
(2) Make sure that the SAFETY BARRIER(S) are in position.
(3) Make sure that the NLG doors are open (Ref. AMM TASK 32-22-00-010-001).
(4) Make sure that the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE is in position below the applicable NLG door.

4. Procedure
Subtask 32-22-11-420-057-A

A. Installation of the Main Door Assy
(1) Make sure that the bushes (9), (21) and (11) are in the correct position.
(2) Lubricate the bolts (6) and (10) with Synthetic Oil base Grease-General Purpose Clay Thickened - (Material No.03GBB1) or Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. - (Material No.03GBC1) .
(3) Put the door (1) in position. Install the bolts (6) and (10).
(4) Install the nuts (4) and (14) with the washers (5) and (12).
(5) Tighten the nuts (4) and (14) and safety them with the new AIPC 32-22-01-02-010 COTTER PINS (3) or AIPC 32-22-81-02-030 COTTER PIN (3) and the new AIPC 32-22-01-02-010 COTTER PIN (13) or AIPC 32-22-81-02-030 COTTER PIN (13).
(6) Install the bolts (8), the bonding braids (7) and the nuts (2). Tighten the nuts (2).

CAUTION: CONNECT THE AFT ROD TO THE LEFT DOOR AND THE FWD ROD TO THE RIGHT DOOR. IF YOU CONNECT THE RODS TO THE WRONG DOORS, THE RODS WILL BECOME DAMAGED DURING OPERATION OF THE DOORS.

(7) Connect the applicable NLG main-door control-rod

NOTE: Do not change the adjustment of the control rod (15).

(a) Make sure that the bush (19) is in position.
(b) Apply a thin layer of Synthetic Oil base Grease-General Purpose Clay Thickened - (Material No.03GBB1) or Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. - (Material No.03GBC1) to the bolt (20).
(c) Put the rod (15) in position.
(d) Install the bolt (20), the washer (18) and the nut (16).
(e) TORQUE the nut (16) to between 0.61 and 0.6 m.daN (53.98 and 53.10 lbf.in )

.
(f) Make sure that the gap A is more than or equal to 0.1 mm (0.0039 in.).
(g) If the gap A is correct, safety the nut (16) with the new AIPC 32-22-11-01-180 COTTER PIN (17).
1 If you install a new bolt (20), drill a hole of 2 +0.1 mm or -0.1 mm (0.0787 +0.0039 in. or -0.0039 in.).
2 Make sure that you do not decrease the strength of the screw (specially for offset drilling, the diameter of the bore must be correct, deburr lightly).
3 Put grease in the hole of the nut when you install steel bolts to prevent corrosion.
(h) If the gap A is not correct:
1 Remove the nut (16) and the washer (18).
2 Remove the bolt (20) and disconnect the rod (15).
3 Remove the bush (19) and install the new AIPC 32-22-11-01-220 BUSH (19).
4 Apply a thin layer of Synthetic Oil base Grease-General Purpose Clay Thickened - (Material No.03GBB1) or Synthetic Oil base Grease-General Purpose Lithium Thickened Low Temp. - (Material No.03GBC1) to the bolt (20).
5 Put the rod (15) in position.
6 Install the bolt (20), the washer (18) and the nut (16).
7 TORQUE the nut (16) to between 0.61 and 0.6 m.daN (53.98 and 53.10 lbf.in )

and safety it with the AIPC 32-22-11-01-180 COTTER PIN (17).

If you install a new bolt (20), drill a hole of 2 +0.1 mm or -0.1 mm (0.0787 +0.0039 in. or -0.0039 in.).
Make sure that you do not decrease the strength of the screw (specially for offset drilling, the diameter of the bore must be correct, deburr lightly).
Put grease in the hole of the nut when you install steel bolts to prevent corrosion.

8 Apply a layer of Polysulfide Sealant_General Purpose Brushable - (Material No.06AAA1) to the head of the bolt (20), the nut (16) and the washer (18).

Subtask 32-22-11-410-055-A

B. Preparation for the Test
(1) Lubricate the NLG doors (Ref. AMM TASK 12-22-32-640-002).
(2) Remove the access platform(s).
(3) Close the NLG doors:
(a) Operate the NLG doors manually to make sure that there is no interference in the linkage.
(b) Close the NLG doors (Ref. AMM TASK 32-22-00-410-001).

Subtask 32-22-11-710-050-A

C. Operational Test
(1) Do a full door close/door open cycle (Ref. AMM TASK 32-22-00-010-001) and (Ref. AMM TASK 32-22-00-410-001).
(2) Make sure that the door operation is correct.

5. Close-up
Subtask 32-22-11-860-053-A

A. Put the aircraft back to its initial configuration.
(1) Remove the safety barriers.
(2) Remove the WARNING NOTICE(S).
(3) Make sure that the work area is clean and clear of tools and other items.

[Rev.10 from 2021] 2026.04.01 00:43:14 UTC