R **ON A/C 151-199, 301-399, 401-499,
 29-12-41-991-001-A Fig. 401A
 **ON A/C ALL

 29-12-41-991-002 Fig. 402
 3. Job Set-up
__________
 Subtask 29-12-41-865-050

 A. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU HYD/HYD PWR/B WARN/& CTL 2702GJ C12 121VU HYDRAULIC/LOW/LVL/IND 1832GQ N32 121VU HYDRAULIC/HYD/QTY/IND 1831GQ P35 123VU B HYD/ELEC PUMP 2701GJ AB09
 Subtask 29-12-41-860-050
 B. Aircraft Maintenance Configuration
 WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.

_______
 (1)
 Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).

 (2)
 Put the warning notices in position to tell persons not to pressurize the Blue hydraulic system:

 -in the cockpit on the hydraulic section 40VU of the overhead panel, - on the ground service panel of the Blue hydraulic system.

 (3)
 Put the access platform in position at the access door 197EB.

 (4)
 Make sure that the Blue hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).

 (5)
 Depressurize the reservoir of the Blue hydraulic system (Ref. TASK 29-14-00-614-001).

 (6)
 Drain the reservoir of the Blue hydraulic system (Ref. TASK 29-10-00-680-003).

 (7)
 Put a container below the reservoir.
 Subtask 29-12-41-010-050

 C.
 Open the access doors 197EB, 197FB.

 4. Procedure
_________
 **ON A/C 001-049, 051-099, 101-149, 201-299,

 (Ref. Fig. 401/TASK 29-12-41-991-001) R **ON A/C 151-199, 301-399, 401-499,
 (Ref. Fig. 401A/TASK 29-12-41-991-001-A)
 **ON A/C ALL

 (Ref. Fig. 402/TASK 29-12-41-991-002)
 **ON A/C 001-049, 051-099, 101-149, 201-299,

 Subtask 29-12-41-020-054
 A. Removal of the Reservoir CAUTION : USE A SECOND WRENCH TO APPLY COUNTERTORQUE TO THE UNION WHEN
_______ YOU DISCONNECT/CONNECT HYDRAULIC LINES ON UNIONS. IF YOU USE THE SECOND WRENCH, YOU WILL NOT LOOSEN OR TIGHTEN THE UNION TOO MUCH.
 (1)
 Disconnect the electrical connectors (52),(49),(21),(28).

 (2)
 Install blanking caps on the electrical connectors and on the electrical receptacles on the reservoir (19).

 Reservoir of the Blue Hydraulic System
 Figure 401/TASK 29-12-41-991-001

R 1EFF : 001-049, 051-099, 101-149, 201-299, 1 29-12-41Page 404 1 1 May 01/05 1 1 1CES 1

 Reservoir of the Blue Hydraulic System
 Figure 401A/TASK 29-12-41-991-001-A

R 1EFF : 151-199, 301-399, 401-499, 1 29-12-41Page 405 1 1 Aug 01/05 1 1 1CES 1

 Reservoir of the Blue Hydraulic System Figure 402/TASK 29-12-41-991-002
 1EFF : 1 1R 1CES  ALL  1 11 1 29-12-41 Page 406 Feb 01/00

 (3)
 Remove the nut (20), the bolt (15) and the washer (18) and disconnect the bonding jumpers (16),(17) from the reservoir (19).

 (4)
 Loosen the pipe end-fitting (25) and disconnect the air pipe (24)
 from the union (26).

 (5)
 Loosen the pipe end-fitting (2) and disconnect the air bleed pipe (1) from the reducer (3).

 (6)
 Loosen the pipe end-fitting (13) and disconnect the seal drain
 connection (14) from the pressure relief valve (12).

 (7)
 Loosen the pipe end-fitting (43) and disconnect the suction pipe (44) from the reservoir (19).

 (8)
 Loosen the pipe end-fitting (45) and disconnect the suction pipe (44) from the T-piece (46).

 (9)
 Remove the suction pipe (44).

 (10)
 Loosen the pipe end-fitting (42) and disconnect the return pipe (31) from the reservoir (16).

 (11)
 Loosen the pipe end-fitting (40) and disconnect the return pipe (41) at the filter (2002GM).

 (12)
 Remove the return pipe (41) from the aircraft.

 (13)
 Loosen the pipe end-fitting (48) and disconnect the drain pipe (47) from the reservoir (19).

 (14)
 Cut and remove the lockwire from the two strap bolts (51).

 (15)
 Hold the reservoir (19) and loosen the two reservoir strap bolts (51).

 (16)
 Disconnect the ends of the reservoir straps (50) and remove the reservoir (19) from the aircraft.

 (17)
　
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