Removal of the Forward Galley Unit

TASK 25-31-41-000-001-A
Removal of the Forward Galley Unit

WARNING: BE CAREFUL WHEN YOU REMOVE OR INSTALL THIS EQUIPMENT. THIS EQUIPMENT IS HEAVY (MORE THAN 12 KG (26.5 lb)) AND CAN CAUSE INJURY AND/OR DAMAGE.

ZONE: 220
FIN: 6475MM ** ON A/C NOT FOR ALL

1. Reason for the Job
Self Explanatory

NOTE: More than one person is necessary for this procedure.

2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	PLUG - BLANKING
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	AR	WARNING NOTICE(S)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
220	FWD CAB UTILITY AREAS

C. Referenced Information

REFERENCE	DESIGNATION
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 25-23-41-000-001-A	Removal of the Ceiling Panels
TASK 25-23-45-000-002-A	Removal of the Door Frame Linings from the Right Forward Passenger/Crew Door
TASK 25-26-41-000-001-A	Removal of the Forward Curtain Rail
TASK 25-35-15-000-001-A	Removal of the Coffee Maker(s)
TASK 25-35-19-000-001-A	Removal of the Oven(s)
TASK 38-10-00-614-002-A	Depressurization of the Potable Water System
TASK 51-22-00-000-802-A	Removal of the Adhesive Tape from the Lavatory and Galley Attachment Fittings
TASK 52-51-11-000-001-A	Removal of the Cockpit Door
Upper and Lower Attachments - G1 ** ON A/C NOT FOR ALL
Electrical Connections - G1 ** ON A/C NOT FOR ALL
Galley Supply Connections - G1 ** ON A/C NOT FOR ALL
Electrical Connections - G1 ** ON A/C NOT FOR ALL
Galley Supply Connections - G1 ** ON A/C NOT FOR ALL
Attachment of the FWD Galley Unit ** ON A/C NOT FOR ALL
Splitline of the FWD Galley Unit (6475MM) ** ON A/C NOT FOR ALL
Splitline of the FWD Galley Unit ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 25-31-41-861-057-A ** ON A/C NOT FOR ALL

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

Subtask 25-31-41-860-062-A ** ON A/C NOT FOR ALL

B. Aircraft Maintenance Configuration

WARNING: MAKE SURE THAT THE POTABLE WATER SYSTEM IS DEPRESSURIZED. A PRESSURIZED SYSTEM CAN CAUSE INJURY TO PERSONS WHEN THEY DO WORK ON IT.

(1) De-pressurize the potable water system (Ref. AMM TASK 38-10-00-614-002).

Subtask 25-31-41-941-050-A ** ON A/C NOT FOR ALL

C. Safety Precautions
(1) On the overhead panel, on AIR COND panel 30VU:
(a) Make sure that these pushbutton switches are released:

APU BLEED pushbutton switch (the ON legend is off)
All the ENG BLEED pushbutton switches (the OFF legends are on)
PACK 1 and PACK 2 pushbutton switches (the OFF legends are on).

(b) Put the WARNING NOTICE(S) in position to tell persons not to operate these pushbutton switches.
(2) On the High Pressure (HP) and Low Pressure (LP) ground-air connectors:
(a) Put the WARNING NOTICE(S) in position to tell persons not to connect the ground air supply.
(3) On the water service panel, put the WARNING NOTICE(S) in position to tell persons not to pressurize the potable water system.

Subtask 25-31-41-865-109-A ** ON A/C NOT FOR ALL

D. Open, safety and tag this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
122VU	ELEC/GALLEY/CNTOR	7MC	S28
122VU	ELEC/GALY & CAB/CTL	1XA	S26
122VU	AIR COND/LAV/GALLEY VENT CTL/EXTRACT FAN/CTL	5HU	U21
122VU	AIR COND/LAV/GALLEY VENT CTL/EXTRACT FAN/SPLY	6HU	U19
123VU	FWD GALLEY/FEEDER F	16MC	AC10

Subtask 25-31-41-010-056-D ** ON A/C NOT FOR ALL

E. Get Access
(1) Remove the contents which are kept in the galley, if necessary.
(2) Remove the galley equipment.
(a) Remove the coffee maker (Ref. AMM TASK 25-35-15-000-001).
(b) Remove the ovens (Ref. AMM TASK 25-35-19-000-001).
(c) Remove the galley trolleys.
(3) Remove the curtain and curtain rail, if installed (Ref. AMM TASK 25-26-41-000-001).
(4) Remove the ceiling panels (Ref. AMM TASK 25-23-41-000-001) and the door frame linings (Ref. AMM TASK 25-23-45-000-002) in the area of the galley.
(5) Remove the cockpit door (Ref. AMM TASK 52-51-11-000-001).

4. Procedure
Subtask 25-31-41-020-062-CO ** ON A/C NOT FOR ALL

A. Removal of the Galley Unit
(1) Remove all decorative material, if necessary.
(2) Remove the Upper Attachments

Upper and Lower Attachments - G1 ** ON A/C NOT FOR ALL

(a) Remove the screws (2) and the pelmet (1).
(b) Remove the quick-release pins (5) and disconnect the tie rods (6) from the A/C structure.
(3) Disconnect the Electrical Connections

Electrical Connections - G1 ** ON A/C NOT FOR ALL

CAUTION: MAKE MATCH MARKS ON ALL THE ELECTRICAL WIRES BEFORE YOU DISCONNECT THEM. IF YOU MAKE AN ERROR WHEN YOU CONNECT THE WIRES YOU WILL CAUSE DAMAGE TO EQUIPMENT.

(a) Loosen the screws (44) and remove the cover (43).
(b) Remove the nuts (45) and the wires (46).
(c) Remove the bolt (47), the washer (48) and remove the clamps (49) and (50).
(d) Remove the nut (51), the bolt (54), the washer (53) and the bonding strap (52).
(e) Remove the nuts (41) and the clamps (40) and (42).
(4) Disconnect the Galley Supply Connections

Galley Supply Connections - G1 ** ON A/C NOT FOR ALL

(a) Loosen the clamps (64) and disconnect the exhaust air hose (65) from the pipe (63).
(b) Open the door (60).
(c) Remove the screws (62) and the access panel (61).
(d) Push the insulation of the waste water hose (66) up.
(e) Loosen the clamps (67) and disconnect the waste water hose (66).
(f) Push the insulation of the potable water pipe (69) up.
(g) Loosen the nut (68) and disconnect the potable water pipe (69).
(h) Put blanking plugs on the disconnected line ends.
(5) Remove the Lower Attachments

Upper and Lower Attachments - G1 ** ON A/C NOT FOR ALL

WARNING: SUPPORT THE UNIT/ASSEMBLY. THE UNIT/ASSEMBLY IS HEAVY. IF YOU DO NOT SUPPORT IT, IT WILL FALL. THIS CAN CAUSE INJURY TO PERSONS, AND/OR DAMAGE TO EQUIPMENT.

(a) Remove the screws (4) and the rub strips (3).
(b) Remove the (13) and the covers (12).
(c) Remove the bolts (7), the washers (8) and the nuts (14).
(d) Remove the plates (9).
(e) Remove the eccentric bushings (10) and the bushings (11).
(f) Carefully move the galley to the center of the cabin.
(g) Prevent damage to the component interfaces and the adjacent area.

Subtask 25-31-41-020-062-DN ** ON A/C NOT FOR ALL

A. Removal of the Galley Unit
(1) Remove all the decorative material, if necessary.
(2) Disconnect the Electrical Connections

Electrical Connections - G1 ** ON A/C NOT FOR ALL

(a) Remove and discard the lockwire from the screws (6).
(b) Loosen the screws (6) and remove the cover (5).
(c) Remove the wires.

CAUTION: MAKE MATCH MARKS ON ALL THE ELECTRICAL WIRES BEFORE YOU DISCONNECT THEM. IF YOU MAKE AN ERROR WHEN YOU CONNECT THE WIRES YOU WILL CAUSE DAMAGE TO EQUIPMENT.

1 Remove the nuts (7) and the wires (8).
(d) Remove the bolt (13), the washer (12), the clamp (11), the bushing (10) and the clamp (9).
(e) Remove the nuts (14), the bolts (17), the washers (16) and the bonding straps (15).
(f) Remove the nuts (3), the washers (2), and the clamps (1) and (4).
(3) Disconnect the Galley Supply Connections

Galley Supply Connections - G1 ** ON A/C NOT FOR ALL

(a) Loosen the clamps (24) and disconnect the exhaust air hose (25) from the pipe (23).
(b) Loosen the clamp (39) and disconnect the fresh air pipe (38) from the pipe (40).
(c) Open the door (20).
(d) Remove the screws (21) and the access panel (22).
(e) Push the insulation (26) of the waste water hose (27) up.
(f) Loosen the clamp (28) and disconnect the waste water hose (27) from the pipe (29).
(g) Loosen the clamp (33) and push the insulation (34) of the potable water pipe (32) up.
(h) Loosen the nut (31) and disconnect the potable water pipe (32) from the fitting (30).
(i) Disconnect the control cable (37) from the ring (36) of the drain valve (35).
(j) Put the PLUG-BLANKING in each disconnected line end.
(4) Remove the Upper Attachments

Attachment of the FWD Galley Unit ** ON A/C NOT FOR ALL

(a) Remove the screws (50), the washers (51) and the pelmet (52).
(b) Remove the screws (54) and the pelmet (53).
(c) Remove the screws (57) and the access covers (58).
(d) Remove the quick-release pins (55) and disconnect the tie rods (56) from the A/C structure.
(5) Remove the Lower Attachments

Attachment of the FWD Galley Unit ** ON A/C NOT FOR ALL

WARNING: SUPPORT THE UNIT/ASSEMBLY. THE UNIT/ASSEMBLY IS HEAVY. IF YOU DO NOT SUPPORT IT, IT WILL FALL. THIS CAN CAUSE INJURY TO PERSONS, AND/OR DAMAGE TO EQUIPMENT.

(a) Remove the screws (71) and the covers (72).
(b) Remove the screws (75), the washers (76) and the covers (77).
(c) Remove the screws (73) and the covers (74).
(d) Remove the bolts (59), the washers (60) and the plates (61).
(e) Remove the shims (62).
(f) Identify the number and position of the shims (62) for the installation.
(g) Prevent damage to the component interfaces and the adjacent area.
(h) Carefully lift the galley and move it to the center of the cabin.

Subtask 25-31-41-020-050-CM ** ON A/C NOT FOR ALL

B. Disconnect the Galley Splitline

NOTE: This procedure is only necessary if you must remove the galley from the aircraft.

(1) Disconnect the Galley at the Splitline

Splitline of the FWD Galley Unit (6475MM) ** ON A/C NOT FOR ALL

WARNING: SUPPORT THE UNIT/ASSEMBLY. THE UNIT/ASSEMBLY IS HEAVY. IF YOU DO NOT SUPPORT IT, IT WILL FALL. THIS CAN CAUSE INJURY TO PERSONS, AND/OR DAMAGE TO EQUIPMENT.

(a) Prevent damage to the component interfaces and the adjacent area.
(b) Carefully lift the galley and move it to the center of the aircraft.

NOTE: The splitline screws and bolts are painted red.

(c) Remove the screws (22) and the block (23).
(d) Remove the screws (20).
(e) Remove the screws (24) and (26).
(f) Remove the screws (30) and (31) and remove the fitting (29).
(g) Remove the screws (27) and the fitting (28).
(h) Carefully separate the galley modules (21) and (25) and remove them from the aircraft.
(2) Remove the floor fittings

Upper and Lower Attachments - G1 ** ON A/C NOT FOR ALL

(a) Remove the shims (20).
(b) Identify the number and position of the shims for the installation.
(c) Remove the bolts (19) and the washers (18).
(d) Remove the floor fittings (17).
(e) Remove and discard the old packings (16).
(f) Remove the bushes (15).
(g) Remove the adhesive tape from the installation points of the bushes (15) (Ref. AMM TASK 51-22-00-000-802).

Subtask 25-31-41-020-050-DL ** ON A/C NOT FOR ALL

B. Disconnect the Galley Splitline

NOTE: This procedure is only necessary if you must remove the galley from the aircraft.

WARNING: SUPPORT THE UNIT/ASSEMBLY. THE UNIT/ASSEMBLY IS HEAVY. IF YOU DO NOT SUPPORT IT, IT WILL FALL. THIS CAN CAUSE INJURY TO PERSONS, AND/OR DAMAGE TO EQUIPMENT.

(1) Disconnect the Galley at the Splitline

Splitline of the FWD Galley Unit ** ON A/C NOT FOR ALL

NOTE: The splitline screws and bolts are painted red.

(a) Prevent damage to the component interfaces and the adjacent area.
(b) Remove the screws (114) and the work tables (120) and (121).
(c) Remove the levers (117) and (118).
(d) Remove the screws (116) and (119) and the angle (115).
(e) Remove the screws (102) and the washers (103)
(f) Remove the screws (106) and the cover (105).
(g) Remove the screw (107).
(h) Remove the screws (108) and the bracket (109).
(i) Remove the screws (110) and (104) and (113).
(j) Remove the screws (112) and the plate (111).
(k) Remove all the remaining splitline screws as necessary.
(l) Carefully disconnect the galley modules (100) and (101) and remove them from the aircraft.
(2) Remove the floor fittings

Attachment of the FWD Galley Unit ** ON A/C NOT FOR ALL

(a) Remove the bushings (63) and (64).
(b) Remove the bolts (65), the washers (66) and the shims (67).
(c) Identify the number and position of the shims (67) for the installation.
(d) Remove the floor fittings (68).
(e) Remove and discard the packings (69).
(f) Remove the bushes (70).
(g) Remove the adhesive tape from the installation points of the bushes (70) (Ref. AMM TASK 51-22-00-000-802).

[Rev.10 from 2021] 2026.03.31 23:33:33 UTC