(4)
 Disconnect the connectors (3), (8) and (10) from the unions (4) and (7).

 (5)
 Remove the nuts (11), the bolts (9) and remove the vent valve (12).

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 MLG Vent Valve 2516GM
 Figure 401/TASK 32-33-13-991-001
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1  1  Feb 01/98
 1  1
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 (6) Put blanking plugs on the disconnected line ends.

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 Installation of the MLG Vent Valve 2516GM
 WARNING : MAKE SURE THAT THERE IS A GOOD FLOW OF AIR THROUGH THE WORK AREA WHEN
_______ YOU USE SPECIAL MATERIALS. IF YOU GET ONE OF THESE MATERIALS ON YOUR SKIN, IN YOUR MOUTH OR IN YOUR EYES : -FLUSH IT AWAY WITH A FLOW OF CLEAN WATER FOR BETWEEN 10 AND 15 MINUTES. -GET IMMEDIATE MEDICAL AID IF IRRITATION OCCURS. DO NOT BREATHE THE FUMES FROM THE MATERIAL. DO NOT SMOKE WHEN YOU USE THE MATERIAL. DO NOT USE THE MATERIAL NEAR A FLAME, SPARKS OR SOURCES OF HEAT. THESE MATERIALS ARE DANGEROUS : THEY ARE POISONOUS, FLAMMABLE AND SKIN IRRITANTS.
 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
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R R R
R 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) No specific Torque Wrench : range 1.00 to 10.00 m.daN
 (8.00 to 75.00 lbf.ft) 98DNSA20208040 1 RIGGING PIN 98DNSA20208060 1 RIGGING PIN
 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
No specific  corrosion-resistant steel lockwire 0.8 mm (0.032 in.) dia.
Material No. 02-003  F NSA 307110 TYPE 4 HYDRAULIC FLUID (PHOSPHATE ESTER BASE) (Ref. 20-31-00)
Material No. 02-003A  F NSA 307110 TYPE 4 HYDRAULIC FLUID (PHOSPHATE ESTER BASE) (Ref. 20-31-00)
Material No. 02-003B  F NSA 307-110 TYPE 4 HYDRAULIC FLUID (PHOSPHATE ESTER BASE) (Ref. 20-31-00)
 Material No. 02-003C  F NSA 307-110 TYPE IV HYDRAULIC FLUID (PHOSPHATE ESTER BASE) (Ref. 20-31-00)
Material No. 02-003D  F NSA 307-110 TYPE IV HYDRAULIC FLUID (PHOSPHATE ESTER BASE) (Ref. 20-31-00)
 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)
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 C. Expendable Parts
 -------------------------------------------------------------------------------
FIG.ITEM |DESIGNATION |IPC-CSN -------------------------------------------------------------------------------
5 6 16 18  packing packings cotter pin cotter pin  32-33-03 22 -09032-33-03 22 -11032-33-03 22 -05032-33-03 01 -170
 D. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
R R R R R  12-12-29-611-001 24-41-00-861-002 29-00-00-910-002 29-10-00-864-001 29-14-00-614-001 29-23-00-860-001 29-23-00-860-002 32-00-00-860-001 32-00-00-860-002 32-12-00-010-001 32-12-00-410-001 32-33-00-720-001 51-75-13-916-002 32-33-13-991-001 32-33-13-991-002  Fill the Hydraulic Fluid Reservoir with a Hand PumpEnergize the Aircraft Electrical Circuits from the External PowerSafety Procedures of the Hydraulic SystemDepressurize the Green Hydraulic SystemDepressurization of the Hydraulic ReservoirsDisconnection of the Isolation Coupling of the Power Transfer Unit (PTU)Connection of the Isolation Coupling of the Power Transfer Unit (PTU) Flight Configuration Precautions with Electrical Power Ground Configuration after Flight Configuration with Electrical PowerOpen the Main Gear Doors for AccessClose the Main Gear Doors after Access Functional Check of Free-Fall ExtensionRepair to a layer of Corrosion Preventive CompoundFig. 401Fig. 402
　
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