Removal of the Manual Selector Valve

TASK 52-36-15-000-001-A
Removal of the Manual Selector Valve

WARNING: MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS SURFACES ARE CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.

WARNING: MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING GEAR. THIS WILL PREVENT UNWANTED MOVEMENT OF THE LANDING GEAR, AND THUS POSSIBLE INJURY TO PERSONS AND DAMAGE TO THE AIRCRAFT AND/OR EQUIPMENT.

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

FIN: 2501MJ
FIN: 2504MJ

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	CAP - BLANKING
No specific	AR	PLUG - BLANKING
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Referenced Information

REFERENCE	DESIGNATION
TASK 29-00-00-864-001-A	Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action
TASK 29-00-00-910-002-A	Safety Procedures of the Hydraulic System
TASK 29-14-00-614-001-A	Depressurization of the Hydraulic Reservoirs
TASK 29-23-00-860-001-A	Disconnection of the Isolation Coupling of the Power Transfer Unit (PTU)
Manual Selector Valve ** ON A/C NOT FOR ALL
Manual Selector Valve ** ON A/C NOT FOR ALL
Manual Selector Valve ** ON A/C NOT FOR ALL
FOR [2501MJ] (MAN SEL VALVE-FWD CARGO DOOR)
TASK 52-30-00-860-001-A	Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
TASK 53-22-14-000-001-A	Removal of the Forward Cargo-Compartment Floor-Panels
TASK 06-41-53-00	FUSELAGE-DESCRIPTION AND OPERATION
FOR [2504MJ] (MAN SEL VALVE-AFT CARGO DOOR)
TASK 52-30-00-860-001-A	Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
TASK 53-42-14-000-001-A	Removal of the Aft Cargo-Compartment Floor-Panels Zone 150
TASK 06-41-53-00	FUSELAGE-DESCRIPTION AND OPERATION

3. Job Set-up
Subtask 52-36-15-010-050-A ** ON A/C NOT FOR ALL

A. Get Access

(1) FOR [2501MJ] (MAN SEL VALVE-FWD CARGO DOOR)
(a) Open the FWD cargo-compartment door (referred to as cargo door) and install the actuator safety locks (Ref. AMM TASK 52-30-00-860-001).
(b) Open the access panel 134AR of the door control panel below the fuselage.
(c) Find the designation of the applicable floor panel to get access to the manual selector valve (Ref. AMM D/O 06-41-53-00).
(d) Remove the applicable floor panel of the FWD cargo compartment between FR29 and FR30 (Ref. AMM TASK 53-22-14-000-001).
(2) FOR [2504MJ] (MAN SEL VALVE-AFT CARGO DOOR)
(a) Open the aft cargo-compartment door (referred to as cargo door) and install the actuator safety locks (Ref. AMM TASK 52-30-00-860-001).
(b) Open the access panel 154AR of the door control panel below the fuselage.
(c) Find the designation of the applicable floor panel to get access to the manual selector valve (Ref. AMM D/O 06-41-53-00).
1 Remove the applicable floor panel of the aft cargo compartment between FR56 and FR57 (Ref. AMM TASK 53-42-14-000-001).

Subtask 52-36-15-010-050-B ** ON A/C NOT FOR ALL

A. Get Access

(1) FOR [2501MJ] (MAN SEL VALVE-FWD CARGO DOOR)
(a) Open the FWD cargo-compartment door (referred to as cargo door) and install the actuator safety locks (Ref. AMM TASK 52-30-00-860-001).
(b) Open the access panel 134AR of the door control panel below the fuselage.
(c) Find the designation of the applicable floor panel to get access to the manual selector valve (Ref. AMM D/O 06-41-53-00).
(d) Remove the applicable floor panel of the FWD cargo compartment between FR29 and FR30 (Ref. AMM TASK 53-22-14-000-001).

(2) FOR [2504MJ] (MAN SEL VALVE-AFT CARGO DOOR)
(a) Open the aft cargo-compartment door (referred to as cargo door) and install the actuator safety locks (Ref. AMM TASK 52-30-00-860-001).
(b) Open the access panel 154AR of the door control panel below the fuselage.
(c) Find the designation of the applicable floor panel to get access to the manual selector valve (Ref. AMM D/O 06-41-53-00).
1 Remove the applicable floor panel of the aft cargo compartment between FR59 and FR60 (Ref. AMM TASK 53-42-14-000-001).

Subtask 52-36-15-865-050-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	HYDRAULIC/HYD POWER/Y	3803GX	N30
** ON A/C NOT FOR ALL
121VU	HYDRAULIC/HYD POWER/Y	3803GX	N31
** ON A/C ALL
122VU	DOORS/CARGO	1MJ	T12
123VU	Y HYD/ELEC/PUMP	3802GX	AB06
123VU	Y HYD/ELEC/ELEC PUMP/NORM	3801GX	AB03

Subtask 52-36-15-860-052-A

C. Aircraft Maintenance Configuration
(1) Obey the hydraulic safety procedures (Ref. AMM TASK 29-00-00-910-002).
(2) Make sure that the Yellow hydraulic system is depressurized and put it in the maintenance configuration.
(Ref. AMM TASK 29-00-00-864-001).
(3) Depressurize the reservoir of the Yellow hydraulic system (Ref. AMM TASK 29-14-00-614-001).
(4) Disconnect the isolation coupling of the Power Transfer Unit (PTU) (Ref. AMM TASK 29-23-00-860-001).
(5) Put the warning notices in position to tell persons not to pressurize the Yellow hydraulic system:

In the cockpit on the hydraulic section 40VU of the overhead panel
On the ground service panel of the Yellow hydraulic system.

(6) Put the Textile-Lint free Cotton - (Material No.14SBA1) below the hydraulic connections of the manual selector valve to collect the hydraulic fluid.

4. Procedure
Subtask 52-36-15-020-050-A ** ON A/C NOT FOR ALL

A. Removal of the Manual Selector Valve

Manual Selector Valve ** ON A/C NOT FOR ALL

CAUTION: USE A SECOND WRENCH TO APPLY COUNTERTORQUE TO THE UNION WHEN YOU DISCONNECT/CONNECT HYDRAULIC LINES ON UNIONS. IF YOU DO NOT USE THE SECOND WRENCH, THERE IS A RISK THAT YOU WILL LOOSEN OR TIGHTEN THE UNION TOO MUCH.

(1) Remove the selector (3) as follows:
(a) Remove the screw (1) and the washer (2) from the selector (3).
(b) Remove the selector (3) from the square axle of the valve body (13).
(2) Disconnect the electrical connector (11) from the receptacle of the proximity switch (12).
(3) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(4) Disconnect the hydraulic connections as follows:
(a) Loosen the union nuts (4), (16), (20) and (21) from the valve body (13).
(b) Disconnect the hydraulic lines (5), (17), (18) and (19) from the valve body (13).
(c) Put the PLUG-BLANKING in each disconnected line end.
(5) Disconnect the bonding strap (8) as follows:
(a) Remove the bolt (6), the washer (7) and the nut (22) from the valve body (13).
(b) Remove the bonding strap (8) from the valve body (13).
(6) Remove the bolts (9) and the washers (10) and disconnect the valve body (13) from the mounting (15).
(7) Remove and discard the O-ring (14) from the valve body (13).

Subtask 52-36-15-020-050-C ** ON A/C NOT FOR ALL

A. Removal of the Manual Selector Valve

Manual Selector Valve ** ON A/C NOT FOR ALL

(1) Remove the selector (4) as follows:

WARNING: USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.

(a) Remove the lockwire (3) from the screw (2) and remove the washer (1) from the selector (4).
(b) Remove the selector (4) from the square axle of the valve body (21).
(2) Disconnect the electrical connector (19) from the receptacle of the proximity switch (20).
(3) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(4) Disconnect the hydraulic connections as follows:
(a) Loosen the union nuts (5), (8), (15) and (18) from the valve body (21).
(b) Disconnect the hydraulic lines (6), (7), (16) and (17) from the valve body (21).
(c) Put the PLUG-BLANKING in each disconnected line end.
(5) Disconnect the bonding strap (14) as follows:
(a) Remove the bolt (12), the washer (13) and the nut (11) from the valve body (21).
(b) Remove the bonding strap (14) from the valve body (21).
(6) Remove the bolts (10) and the washers (9) and remove the valve body (21) from the mounting (23).
(7) Remove and discard the O-ring (22) from the valve body (21).

Subtask 52-36-15-020-050-D ** ON A/C NOT FOR ALL

A. Removal of the Manual Selector Valve

Manual Selector Valve ** ON A/C NOT FOR ALL

NOTE: The procedures to remove the manual selector valve 2501MJ and 2504MJ are the same. Only one procedure is given.

(1) Remove the selector (3) as follows:
(a) Remove the bolt (2) from the selector (3).
(b) Remove the selector (3) from the square axle of the valve body (18).
(2) Disconnect the electrical connector (19) from the receptacle of the proximity switch (20).
(3) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(4) Disconnect the hydraulic connections as follows:
(a) Loosen the unions (4), (7), (14) and (17) from the valve body (18).
(b) Disconnect the hydraulic lines (5), (6), (15) and (16) from the valve body (18).
(c) Put the PLUG-BLANKING in each disconnected line end.
(5) Disconnect the bonding strap (13) as follows:
(a) Remove the bolt (11), the washer (12) and the nut (10) from the valve body (18).
(b) Remove the bonding strap (13) from the valve body (18).
(6) Remove the bolts (9) and the washers (8).
(7) Remove the valve body (18) from the mounting (1).
(8) Remove the O-ring (21) from the valve body (18) and discard it.

[Rev.10 from 2021] 2026.04.02 06:28:11 UTC