TASK 32-31-45-400-001
Installation of the MLG Uplock Actuator
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific Torque Wrench : range 0.20 to 3.60 m.daN
(2.00 to 26.00 lbf.ft)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 05-002 USA MIL-P-8116
PUTTY, ZINC CHROMATE GENERAL PURPOSE (Ref. 20-31-00) Material No. 07-010 D DA-4-653-91
LACQUER OBSOLETE USE 16-047 (Ref. 20-31-00)
C. Referenced Information
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24-41-00-861-002 Energize the Aircraft Electrical Circuits from the
External Power 29-10-00-864-001 Depressurize the Green Hydraulic System 29-14-00-614-001 Depressurization of the Hydraulic Reservoirs 29-23-00-860-001 Disconnection of the Isolation Coupling of the Power
Transfer Unit (PTU) 32-00-00-860-001 Flight Configuration Precautions 32-12-00-010-001 Open the Main Gear Doors for Access 32-12-00-410-001 Close the Main Gear Doors after Access 32-31-00-720-002 Functional Test of the Normal Extension and
Retraction of the Landing Gear
1EFF : ALL 1 32-31-45Page 405 1 1 Feb 01/99 1 1 1CES 1 1EFF : ALL 1 32-31-45Page 406 1 1 May 01/04 1 1 1CES 1 1EFF : ALL 1 32-31-45Page 407 1 1 May 01/04 1 1 1CES 1 Subtask 32-31-45-865-052
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R 32-33-00-720-001 51-75-13-916-002 32-31-45-991-001 Functional Check of Free-Fall ExtensionRepair to a layer of Corrosion Preventive CompoundFig. 401
3. Job Set-up__________
Subtask 32-31-45-860-051
A. Aircraft Maintenance Configuration
(1) Make sure that the PTU isolation coupling is disconnected (Ref. TASK 29-23-00-860-001).
(2) Make sure that the aircraft electrical circuits are energized (Ref. TASK 24-41-00-861-002)
(3) Make sure that the flight configuration precautions were obeyed (Ref. TASK 32-00-00-860-001).
(4) Make sure that the Green hydraulic system is depressurized (Ref. TASK 29-10-00-864-001).
(5) Make sure that the reservoir of the Green hydraulic system is depressurized (Ref. TASK 29-14-00-614-001).
R **ON A/C 301-399,
R Subtask 32-31-45-865-051
R R B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
R R R R R R R R -------------------------------------------------------------------------------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 121VU HYDRAULIC/G HYD/PUMP ENG1/CTL 1701GK R35 121VU HYDRAULIC/G HYD/PUMP ENG1/MONG 1702GK R34
R Subtask 32-31-45-941-051
R C. Make sure that the safty precautions are kept.
R Subtask 32-31-45-560-050
R D. Preparation for Installation
R R (1) Make sure that the helicoid threads in the uplock assembly (6) are in the correct condition
R (2) Remove the blanking plugs.
R **ON A/C ALL
4. Procedure_________
(Ref. Fig. 401/TASK 32-31-45-991-001)
Subtask 32-31-45-420-050
A. Installation of the MLG Uplock Actuator
(1) Put the mlg uplock actuator (1) in position on the uplock assembly (6).
(2) Install the washers (2) and the bolts (3)
(3) Connect the hydraulic hoses (4) and (5) and TORQUE the connections to between 1.52 and 1.63 m.daN (11.20 and 12.02 lbf.ft).
(4) Mark the connections with PAINTS FOR DETAIL (INTERNAL AND EXTERN AL) (Material No. 07-010).
B. Remove the safety clip(s) and the tag(s) and close 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 121VU HYDRAULIC/G HYD/PUMP ENG1/CTL 1701GK R35 121VU HYDRAULIC/G HYD/PUMP ENG1/MONG 1702GK R34
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