1. Reason for the Job
__________________
 To make the landing gears and the landing gear doors safe for maintenance after the free-fall extension system has been operated in flight.
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific  warning notice
R  D23080000 1 GROUND SAFETY LOCK 460005833 2 GROUND LOCK SLEEVE 460005835 2 GROUND LOCK SLEEVE 460007280 1 GROUNDLOCK SLEEVE 98D32203502000 2 SAFETY PIN - NLG DOOR
 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
29-10-00-864-001 Depressurize the Green Hydraulic System 32-00-00-481-001 Installation of the Safety Devices on the Landing Gears 32-00-00-481-002 Installation of the Safety Devices on the Landing
 Gear Doors CMM 528114 (for corrective action) 32-00-00-860-003 To Put the Landing Gear System back to the Normal
 Mode after a Free-Fall Extension (for corrective action)
 1EFF : ALL 1 32-00-00Page 209 1 1 Aug 01/05 1 1 1CES 1

 3. Job Set-up
__________
 Subtask 32-00-00-860-053

 A. Aircraft Maintenance Configuration
 (1)
 Put the wheel chocks in position.

 (2)
 Put the safety barriers in position.

 (3)
 Put a warning notice in the cockpit to tell persons not to operate the landing gear or the landing gear doors.

 NOTE : To put the landing gear back to the normal mode (after a
____ free-fall extension refer to (Ref. TASK 32-00-00-860-003).
 4. Procedure
_________
 Subtask 32-00-00-481-052
 A. Installation of the Safety Devices
 (1) To Install the Safety Devices (Ref. TASK 32-00-00-481-001) (Ref. TASK 32-00-00-481-002):
 (a) Install a SAFETY PIN - NLG DOOR (98D32203502000) in the linkage of each forward NLG door.
R  (b) Install the GROUND SAFETY LOCK (D23080000) in the lockstay of the NLG.
 (c)
 Install a GROUND LOCK SLEEVE (460005835) on the actuating cylinder of each MLG door.

 (d)
 Install a GROUND LOCK SLEEVE (460005833) or a GROUNDLOCK SLEEVE (460007280) on the lock stay actuating cylinder of each MLG.

 (2) If necessary, depressurise the Green hydraulic system (Ref. TASK 29-10-00-864-001).
 Subtask 32-00-00-200-050
 B. Inspection of the Main Landing Gear Door Ramps
 (1) Inspect the lateral and central door ramp on each MLG door. Make sure that there is no sign of:
 -damage/wear to the surface of each ramp
 -corrosion on the surface of each ramp.
 NOTE : Replace each door ramp that shows signs of damage/corrosion

____
 (Ref. CMM 528114).

 1EFF : ALL 1 32-00-00Page 210 1 1 Aug 01/05 1 1 1CES 1

 5. Close-up
________ Subtask 32-00-00-942-060
 A. Removal of Equipment
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Remove the safety barriers.

 (3)
 Remove the ground support and maintenance equipment, the special and standard tools and all other items.

 1EFF : ALL 1 32-00-00Page 211 1 1 May 01/98R 1 1 1CES 1

 TASK 32-00-00-860-001 
R  Flight Configuration Precautions with Electrical Power
 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 : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING_______ GEAR.
 1. Reason for the Job__________________
R R R  To prevent damage to the anti-ice heat elements: - when the LGCIU 1/2 circuit breakers are open or - when the A/C is lifted on jacks. To isolate other circuits to prevent flight configuration when you do maintenance tasks on the A/C. 
R R R R  NOTE : Do this task only if electrical power is necessary for subsequent____ maintenance tasks. If electrical power is not necessary, do the Flight Configuration Precautions without Electrical Power procedure (Ref. TASK 32-00-00-860-00101).
 2. Job Set-up Information______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
　
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