Installation of the Lavatory Door

TASK 25-45-19-400-001-A
Installation of the Lavatory Door

ZONE: 200

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

REFERENCE	DESIGNATION
(Material No.05BAE1)	Threadlocking Adhesive-- Medium strength -

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
200	UPPER HALF FUSELAGE

C. Referenced Information

REFERENCE	DESIGNATION
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
Lavatory Single-Blade Door
Lavatory Bi-folding Door
Lavatory Single-Blade Door - Emergency Opening from the Outside ** ON A/C NOT FOR ALL
Lavatory Bi-folding Door (Standard Option) - Emergency Opening from the Outside
Lavatory Single-Blade Door - Emergency Opening from the Outside ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 25-45-19-860-050-A

A. Aircraft Maintenance Configuration
(1) Make sure that the ground service network is energized
(Ref. AMM TASK 24-42-00-861-001).

4. Procedure
Subtask 25-45-19-210-050-A

A. Preparation for Installation
(1) Clean the component interfaces and the adjacent area.
(2) Make sure that the parts retained from the removed component are clean and in the correct condition.
(3) Do an inspection of the component interfaces and the adjacent area.

Subtask 25-45-19-420-051-A

B. Installation of the Lavatory Single Blade Door

Lavatory Single-Blade Door

NOTE: The laterally adjustment of the door is the result of correct lavatory shimming.

(1) Put the lavatory single blade door (1) in position and install the screws (4).
(a) Tighten the screws (4).
(2) Put the door stop (3) in position and install the washer (6) and the screw (2).
(3) Tighten the screw (2).
(4) Measure the dimension C clearance between the lavatory door (1) and the door frame. This must be 3.0 mm (0.12 in.) minimum.
(5) If necessary, adjust the door (1) as follows:
(a) Open the lavatory door (1).
(b) Loosen the screws (4).
(c) Adjust the hinge (5) to get dimension C upper and lower clearance between the lavatory door (1) and the door frame.
(d) Tighten the screws (4).
(e) If installed, examine the bolt (7) for wear.

NOTE: For a correct lavatory door operation it is necessary that there is no wear to the bolt (7).

(f) If necessary, replace the bolt (7).
(g) Close the Lavatory door (1).

Subtask 25-45-19-420-050-A

C. Installation of the Lavatory Bi-folding Door (Standard Option)

Lavatory Bi-folding Door

NOTE: The laterally adjustment of the door is the result of correct lavatory shimming.

(1) Put the guide (12) in position and install the screws (13).
(2) Tighten the screws (13).
(3) Put the fitting (9) in position and install the screws (10) and (11).
(4) Tighten the screws (10) and (11).
(5) Put the lavatory bi-folding door (1) in position and make sure that the lower door pivot pin (8) inserts correctly into the fitting (9).
(6) Slide the screw (4) upwards to engage the upper pivot pin of the door (1) to the door frame and tighten the screw (4).
(7) Connect the damper (2) to the lavatory wall bracket (3).
(8) Close the lavatory bi-folding door (1).
(9) Lock the upper and the lower door latches (5).
(10) Measure the dimension E clearance between the lavatory door (1) and the door frame. This must be 3.0 mm (0.12 in.) minimum.
(11) If necessary, adjust the door as follows:
(a) Loosen the grubscrew (6).
(b) Adjust the nut (7) to set the dimension E clearance between the lavatory door (1) and the door frame.
(c) Tighten the grubscrew (6).
(d) Apply Threadlocking Adhesive-- Medium strength - (Material No.05BAE1) to the grubscrew (6).

Subtask 25-45-19-710-050-A ** ON A/C NOT FOR ALL

D. Operational Test of the Emergency Opening (from outside of the lavatory) of the Lavatory Door(s).

NOTE: For this test, the lavatory door must be locked from the inside.

(1) Do the test of the single bladed door:

Lavatory Single-Blade Door - Emergency Opening from the Outside ** ON A/C NOT FOR ALL

(a) Lift up the spring loaded LAVATORY cover (1).
(b) Slide the Knob (2) to the side until the indicator (4) shows VACANT.
(c) Operate the door latch and pull the lavatory door (3) open.
(2) Do the test of the bi-folding door (standard option):

Lavatory Bi-folding Door (Standard Option) - Emergency Opening from the Outside ** ON A/C NOT FOR ALL

(a) Lift up the spring loaded LAVATORY cover (1).
(b) Slide the knob (2) to the side until the indicator (4) shows VACANT.
(c) Push the lavatory door (3) open and/or release the door latches (5) and pull the lavatory door (3) fully open outwards.
(d) Close the lavatory door (3) and lock the door latches (5).
(e) Operate the lavatory door (3) and make sure that the door operation is correct.

Subtask 25-45-19-710-050-B ** ON A/C NOT FOR ALL

D. Operational Test of the Emergency Opening (from outside of the lavatory) of the Lavatory Door(s).

NOTE: For this test, the lavatory door must be locked from the inside.

(1) Do the test of the single bladed door:

Lavatory Single-Blade Door - Emergency Opening from the Outside ** ON A/C NOT FOR ALL

(a) Lift up the spring loaded LAVATORY cover (1).
(b) Slide the Knob (2) to the side until the indicator (4) shows VACANT.
(c) Turn the lock pin (5) a quarter turn left or right to release the catch (6).
(d) Pull the lavatory door (3) open.
(e) Push back the catch (6) and turn the lock pin (5) back to the locked position
(f) Close the door (3).
(2) Do the test of the bi-folding door (standard option):

Lavatory Bi-folding Door (Standard Option) - Emergency Opening from the Outside ** ON A/C NOT FOR ALL

5. Close-up
Subtask 25-45-19-862-050-A

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

[Rev.10 from 2021] 2026.04.01 06:16:59 UTC