(4)
 Put warning notices, to tell persons not to pressurize the hydraulic systems:

 -in the cockpit, on the HYD overhead panel 40VU - on the hydraulic ground service-panels 197CB and 198CB - on the access door 195BB.
 Subtask 32-31-46-582-050
 B. Lift the Aircraft
 (1) Lift the aircraft on jacks (Ref. TASK 07-11-00-581-001).
 Subtask 32-31-46-869-050
R C. Flight Configuration Precautions
 (1) If the electrical power is not necessary for other maintenance tasks, de-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002). Then it is not necessary to operate the LGCIU circuit breakers.
 (2) If the electrical power is necessary, do the precautions for flight R configuration with electrical power (Ref. TASK 32-00-00-860-001) R before you open the circuit breakers.
 Subtask 32-31-46-865-050
 D. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU L/G/LGCIU/SYS1/NORM 1GA C09 121VU HYDRAULIC/LGCIU/SYS2 2GA Q35 121VU HYDRAULIC/LGCIU/SYS1/GRND SPLY 52GA Q34
 1EFF : ALL 1 32-31-46Page 404 1 1 Nov 01/04 1 1 1CES 1 Subtask 32-31-46-860-050

 E. Aircraft Maintenance Configuration
 (1) Disconnect the isolation coupling of the PTU (Ref. TASK 29-23-00-860-001).
R (2) Make sure that the Yellow and Green Hydraulic systems are R de-pressurized (Ref. TASK 29-00-00-864-001).
 (3) Make sure that the applicable hydraulic reservoirs have been depressurized (Ref. TASK 29-14-00-614-001).
 Subtask 32-31-46-010-050
 F. Get Access
 (1)
 Put the access platform in position:

 -
FOR 2503GM
 below zone 571

 -
FOR 2504GM
 below zone 671.

 (2)
 Remove and discard the cotter pin(s) (5). Remove the nut(s) (4), the bridge plate(s) (3), the bolt(s) (1) and the cover plate(s) (2).

 Subtask 32-31-46-480-050
 G. Installation of the Support Equipment
 (1)
 Install the grommet (6).

 (2)
 Put the EQUIPMENT-R/I OF THE MLG ACTUATOR (98D32104009001) and the hoist (S.W.L. 50 kg) or the EQUIPMENT-R/I OF THE MLG ACTUATOR (98D32104009003) or the EQUIPMENT-R/I OF THE MLG ACTUATOR (98D32104009006) or the EQUIPMENT-R/I OF THE MLG ACTUATOR (98D32104009007) in position on the wing.

 (3)
 Put the SLIPPER BLOCK(REAR SPAR ATTACHMENT BRACKET-ACTUATOR) (98D57004019000) in position to protect the area.

R (4) Put the container below the applicable actuating cylinder.
 1EFF : ALL 1 32-31-46Page 405 1 1 Aug 01/99 1 1 1CES 1

 4. Procedure
_________ R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
 (Ref. Fig. 402/TASK 32-31-46-991-002-B)
 **ON A/C 301-399,

 (Ref. Fig. 402A/TASK 32-31-46-991-002-A)
 **ON A/C ALL

 Subtask 32-31-46-020-050
 A. Removal of the MLG Actuating Cylinder WARNING : DO NOT LET OIL STAY ON YOUR SKIN FOR A LONG TIME AS IT CAN
_______
 CAUSE INJURY.

 CAUTION : MAKE SURE THAT THE FLUID DOES NOT STAY ON THE AIRCRAFT
_______ STRUCTURE. IF THE FLUID GETS ON THE AIRCRAFT STRUCTURE, WASH IT OFF IMMEDIATELY WITH SOAP AND WATER.
 (1)
 Use the EQUIPMENT - R/I OF THE MLG ACTUATOR to hold actuating cylinder 38 kg (83.7756 lb).

 (2)
 Disconnect the hydraulic hose unions (21) and (22) from the actuating cylinder manifold (23).

 (3)
 Put blanking plugs on the disconnected line ends.

 (4)
 Make the hydraulic hoses secure to protect them from damage. Do not put kinks in them.

 (5)
 Remove and discard the cotter pin (35). Remove the nut (34), the washer (33), the cap (32) and the bolt (29).

 (6)
 Remove and discard the cotter pin (37). Remove the nut (38), the washer (39), the nylon-washer (40) and the bolt (41). Remove the collar (36).

 (7)
 Remove the pins (20) and (27), and the washers (30) and (43). Carefully remove the actuating cylinder.

 1EFF : ALL 1 32-31-46Page 406 1 1 Aug 01/05 1 1 1CES 1

 INTENTIONALLY BLANK

R 1 1
32-31-46Page 407
1 1 May 01/05 1 1 1CES 1 MLG Actuating Cylinder - Location and Detail Figure 402/TASK 32-31-46-991-002-B13 (SHEET 1)

R 1EFF : 001-049, 051-099, 101-149, 151-199, 1 32-31-46Page 408 1201-299, 401-499, 1Aug 01/05 1 1 1CES 1 MLG Actuating Cylinder - Location and Detail Figure 402/TASK 32-31-46-991-002-B23 (SHEET 2)

　
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