Removal of the Air-Outlet Distribution Valves

TASK 21-21-46-000-803-A
Removal of the Air-Outlet Distribution Valves

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

REFERENCE	DESIGNATION
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 25-13-41-000-001-A	Removal of the Ceiling Panels
TASK 25-13-41-000-002-A	Removal of the Sidewall Panels
Air-Outlet Distribution Valves

3. Job Set-up
Subtask 21-21-46-861-051-A

A. Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).

Subtask 21-21-46-020-052-A

B. Remove the applicable panels (Ref. AMM TASK 25-13-41-000-001) or (Ref. AMM TASK 25-13-41-000-002).

4. Procedure
Subtask 21-21-46-020-053-B

A. Removal of the Air-Outlet Distribution Valves
(1) Removal of the air-outlet distribution valve (9):
(a) Remove the nut (71), washer (69), screw (68) and the clamp (70).
(b) Remove the nut (7) and the washer (6) and disengage the cable (8) from the axle (13). Remove the washer (5) and the axle (13) from the valve (9).
(c) Remove the clamp (11) and disengage the silencer (12) from the valve (9).
(d) Remove the nuts (10), the washers (3) and the screws (2).
(e) Disengage and remove the valve (9) from the hose end fitting (1).
(f) Remove and discard the seal (4).
(2) Removal of the air-outlet distribution valve (21):
(a) Remove the nut (71), washer (69), screw (68) and the clamp (70).
(b) Remove the nut (19) and the washer (18) and disengage the cable (20) from the axle (27). Remove the washer (17) and the axle (27) from the valve (21).
(c) Remove the clamps (24) and the sleeve (25) and disengage the silencer (26) from the valve (21).
(d) Remove the nuts (15), the washers (22) and the screws (23).
(e) Disengage and remove the valve (21) from the hose end fitting (14).
(f) Remove and discard the seal (16).
(3) Removal of the air-outlet distribution valve (40):
(a) Remove the nut (71), washer (69), screw (68) and the clamp (70).
(b) Remove the nut (33) and the washer (34) and disengage the cable (32) from the axle (41). Remove the washer (35) and the axle (41) from the valve (40).
(c) Remove the clamp (29) and disengage the silencer (28) from the valve (40).
(d) Remove the nuts (39), flanges (38), washers (31) and the screws (30).
(e) Remove the flanges (38).
(f) Disengage and remove the valve (40) from the hose end fitting (37).
(g) Remove and discard the seal (36).
(4) If applicable, remove the air-outlet distribution valve (48):
(a) Remove the nut (71), washer (69), screw (68) and the clamp (70).
(b) Remove the nut (46) and the washer (45) and disengage the cable (47) from the axle (52). Remove the washer (44) and the axle (52) from the valve (48).
(c) Remove the clamp (49) and disengage the silencer (50) from the valve (48).
(d) Remove the nuts (51), the washers (53) and the screws (54).
(e) Disengage and remove the valve (48) from the hose end fitting (42).
(f) Remove and discard the seal (43).
(5) Removal of the air-outlet distribution valve (64):
(a) Remove the nut (71), washer (69), screw (68) and the clamp (70).
(b) Remove the nut (60) and the washer (59) and disengage the cable (57) from the axle (65). Remove the washer (58) and the axle (65) from the valve (64).
(c) Remove the clamp (56) and disengage the silencer (55) from the valve (64).
(d) Remove the nuts (63), the washers (66) and the screws (67).
(e) Disengage the valve (64) from the hose end fitting (62).
(f) Remove and discard the seal (61).

[Rev.10 from 2021] 2026.04.02 07:24:38 UTC