(2)
Disconnect the PTU isolation coupling (Ref. TASK 29-23-00-860-001).
(3)
Put the access platform in position.
(4)
Put the container below the dual shuttle valve 2578GM to collect the hydraulic fluid leakage.
Subtask 32-45-16-865-050
D. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU L/G/Y BRK/PRESS/IND 61GG C10 121VU HYDRAULIC/BRAKING AND STEERING/SYS2/SPLY 4GG M36 121VU HYDRAULIC/BRAKING AND STEERING/SYS2/CTL 3GG M35 121VU HYDRAULIC/BRAKING AND STEERING/SYS1/CTL 1GG M34 121VU HYDRAULIC/BRAKING AND STEERING/SYS1/IND AND/SPLY 2GG M33 121VU HYDRAULIC/PARK BRK/CTL/STBY 71GG N37 121VU HYDRAULIC/PARK BRK/CTL/NORM 70GG N36 121VU HYDRAULIC/HYD POWER/Y 3803GX N30 121VU HYDRAULIC/Y HYD/PUMP ENG2/MONG 3700GD Q37 121VU HYDRAULIC/Y HYD/PUMP ENG2/CTL 3701GD Q36 123VU Y HYD/ELEC/PUMP 3802GX AB06 123VU Y HYD/ELEC/ELEC PUMP/NORM 3801GX AB03
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E. safety Precautions
(1) Put the warning notices in position to tell persons not to pressurize the Yellow hydraulic system: - on the panel 40VU in the cockpit, - on the ground service panel of the Yellow hydraulic system.
4. Procedure
_________ **ON A/C 001-049, 051-099, 101-105, 151-154, 201-207,
(Ref. Fig. 401/TASK 32-45-16-991-001)
**ON A/C 001-049, 101-149, 151-199, 201-299, 301-399,
Post SB 32-1201 For A/C 001-049,101-105,151-154,201-207, (Ref. Fig. 401A/TASK 32-45-16-991-001-A)
**ON A/C 001-049, 051-099, 101-105, 151-154, 201-207,
Subtask 32-45-16-020-050
A. Removal of the Dual Shuttle Valve 2578GM (4)
WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
(1)
Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).
(2)
Disconnect the connector (1).
(3)
Disconnect the connectors (7), (8), (10) and (11) from the dual shuttle valve (4).
(4)
Put blanking plugs on the disconnected line ends.
(5)
Remove the bolts (6) and the washers (5) and remove the dual shuttle valve (4) from the aircraft.
(6)
Remove and retain the unions (9) and the reducers (2) from the removed dual shuttle valve 2578GG (4).
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Dual Shuttle Valve 2578GM
Figure 401/TASK 32-45-16-991-001
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Dual shuttle Valve 2578GM Figure 401A/TASK 32-45-16-991-001-A
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(7) Remove and discard the packings (3) from the reducers (2) and the unions (9).
(8) Install blanking plugs on the removed valve. **ON A/C 001-049, 101-149, 151-199, 201-299, 301-399, Post SB 32-1201 For A/C 001-049,101-105,151-154,201-207, Subtask 32-45-16-020-050-A
A. Removal of the Dual Shuttle Valve 2578GM (4)
WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
(1)
Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).
(2)
Disconnect the connector (1).
(3)
Disconnect the connectors (7), (8), (10) from the dual shuttle valve 2578GM (4).
(4)
Disconnect the connector (13).
(5)
If necessary disconnect the connector (12) and remove the brake pressure switch assembly 86GG (Ref. TASK 32-45-17-000-001).
(6)
Put blanking plugs on the disconnected line ends.
(7)
Remove the bolts (6) and the washers (5) and remove the dual shuttle valve (4) from the aircraft.
(8)
Remove and retain the unions (9) and the reducers (2) from the removed dual shuttle valve 2578GG (4).
(9)
Remove and discard the packings (3) from the reducers (2) and the unions (9).
(10) Install blanking plugs on the removed valve.
R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 32-45-16Page 407 1201-299, 301-399, 1Aug 01/05 1 1 1CES 1R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
TASK 32-45-16-400-001
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