(7)
 Remove the nut (23), the washer (22), the bolt (21) and the bush
 (20).

 (8)
 Move the rod (26) away from the MLG door uplock (11).

 (9)
 Remove and discard the cotter pin (6).

 (10)
 Remove the nut (7), the washer (4), the bolt (8) and the bush (9).

 (11)
 Move the rod (2) away from the MLG door uplock (11).

 (12)
 Remove and discard the cotter pins (27).

 (13)
 Remove the nuts (28) and the washers (29).

 (14)
 Hold the MLG door uplock (11), remove the bolts (1) and the MLG door uplock (11).

 1EFF : ALL 1 32-31-33Page 405 1 1 Feb 01/98 1 1 1CES 1 TASK 32-31-33-400-002

 Installation of the MLG Door Uplock 2521GM (2520GM)
 WARNING : USE SOLVENTS/CLEANING AGENTS, SEALANTS AND OTHER SPECIAL MATERIALS
_______ ONLY WITH A GOOD SUPPLY OF AIR. OBEY THE MANUFACTURERS INSTRUCTIONS. PUT ON PROTECTIVE CLOTHING. DO NOT GET THEM IN YOUR MOUTH. DO NOT SMOKE. DO NOT BREATHE THE GAS. THESE MATERIALS ARE POISONOUS, FLAMMABLE AND SKIN IRRITANT. GET MEDICAL HELP IF YOUR SKIN OR EYES BECOME IRRITATED.
 WARNING : MAKE SURE THAT ALL THE CIRCUITS IN MAINTENANCE ARE ISOLATED BEFORE
_______ YOU SUPPLY ELECTRICAL POWER TO THE AIRCRAFT.
 WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______ START A TASK ON OR NEAR:
 -
THE FLIGHT CONTROLS

 -
THE FLIGHT CONTROL SURFACES

 -
THE LANDING GEAR AND THE RELATED DOORS

 -COMPONENTS THAT MOVE.
 WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
 1. Reason for the Job
__________________
 Self Explanatory
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific warning notices No specific Torque Wrench : range 0.20 to 3.60 m.daN
 (2.00 to 26.00 lbf.ft) FOR FIN 2521GM 98DNSA20208040 1 RIGGING PIN 98DNSA20208060 1 RIGGING PIN FOR FIN 2520GM 98DNSA20208040 1 RIGGING PIN 98DNSA20208060 1 RIGGING PIN
 1EFF : ALL 1 32-31-33Page 406 1 1 Feb 01/98 1 1 1CES 1 B. Consumable Materials

 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
No specific corrosion-resistant steel lockwire 0.8 mm (0.032 in.) dia. 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. Expendable Parts
 -------------------------------------------------------------------------------FIG.ITEM |DESIGNATION |IPC-CSN -------------------------------------------------------------------------------
6 cotter pin  32-33-03 01 -170
R 24 cotter pin 32-31-03 50A-270 27 cotter pins 32-31-03 24 -180 41 cotter pin 32-31-03 24 -060 45 cotter pin 32-31-03 24 -096
 D. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
12-12-29-611-001  Fill the Hydraulic Fluid Reservoir with a Hand Pump
 20-28-00-912-004  Electrical Bonding of Components With Conductive Bolts and Screws and Bonding Straps in the Fuselage and in the Wings (this does not includes the tanks)-
24-41-00-862-002  De-energize the Aircraft Electrical Circuits Supplied
 from the External Power 29-10-00-863-001 Pressurize the Green Hydraulic System 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) 29-23-00-860-002 Connection of the Isolation Coupling of the Power Transfer Unit (PTU) 32-00-00-481-002 Installation of the Safety Devices on the Landing Gear Doors
 1EFF : ALL 1 32-31-33Page 407 1 1 Nov 01/00 1 1 1CES 1 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------

32-00-00-860-001 Flight Configuration Precautions 32-00-00-860-002 Ground Configuration after Flight Configuration 32-12-00-010-001 Open the Main Gear Doors for Access 32-12-00-410-001 Close the Main Gear Doors after Access 32-31-00-710-002 Operational Test of the Landing Gear Doors 32-33-00-710-001 Operational Test of the Gear Uplock and Door Uplock
　
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