R No specific Torque Wrench : range 0.00 to 1.20 m.daN R (0.00 to 9.00 lbf.ft) M21930 1 FILLING ASSEMBLY
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
98D32203502000 2 SAFETY PIN - NLG DOOR
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 02-001 USA MIL-H-5606
OIL, HYDRAULICPETROLEUM FLUID (Ref. 20-31-00) Material No. 02-004
SHOCK ABSORBER FLUID (Ref. 20-31-00)
C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
07-11-00-581-001 Lifting for Aircraft Maintenance Operations 07-11-00-586-002 Lowering of the Aircraft for Maintenance Operations 12-14-32-614-004 Check Shock Absorber Charge Pressure 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied
from the External Power 32-00-00-481-001 Installation of the Safety Devices on the Landing
Gears 32-00-00-860-001 Flight Configuration Precautions with Electrical
Power 32-22-00-010-001 Nose Gear Doors - Ground Doors Opening 32-22-00-410-001 Nose Gear Doors - Ground Doors Closing 12-12-32-991-001 Fig. 301 12-12-32-991-012 Fig. 302 12-12-32-991-021 Fig. 303
1EFF : ALL 1 12-12-32Page 312 1 1 May 01/05R 1 1 1CES 1
3. Job Set-up__________
R
Subtask 12-12-32-941-064
A. Safety Precautions
(1) Put the safety barriers in position.
(2) Put the warning notice in the cockpit, to tell persons not to operate the landing gear or the landing gear doors.
(3) Make sure that the ground safety locks are installed on the landing gear (Ref. TASK 32-00-00-481-001).
Subtask 12-12-32-869-052
B. 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.
R R R (2) If the electrical power is necessary, do the flight configuration precautions with electrical power before you open the LGCIU circuit breakers (Ref. TASK 32-00-00-860-001).
Subtask 12-12-32-582-052
C. Lift the Aircraft on Jacks
(1) Lift the aircraft on jacks (Ref. TASK 07-11-00-581-001).
Subtask 12-12-32-010-052
D. Get Access
(1) Open the NLG doors (Ref. TASK 32-22-00-010-001).
(2) Install the SAFETY PIN - NLG DOOR (98D32203502000) in the linkage of each forward NLG door (Ref. TASK 32-00-00-481-001).
(3) Put the access platform in position at the NLG.
4. Procedure_________
R (Ref. Fig. 301/TASK 12-12-32-991-001, 302/TASK 12-12-32-991-012)
Subtask 12-12-32-614-059
R A. Preparation for Replenishment
R CAUTION : MAKE SURE THAT YOU USE A GAGE WITH THE SPECIFIED PRESSURE_______
R RANGE. THIS IS NECESSARY TO GET AN ACCURATE PRESSURE
R MEASUREMENT.
R (1) Prepare the standard charging equipment as follows:
R (a) Install the pressure gage (10) on the 3-way valve (12).
R (b) Connect the 3-way valve (12) to the filling hose (11).
R (c) Connect the hydraulic supply hose (18) between the hand pump (17)
R and the three-way valve (12).
R (d) Connect the hydraulic source hose (16) between the hand pump (17)
R and the hydraulic source.
R (e) Connect the bleed hose (14) between the 3-way valve (12) and the
R drain container (15).
R (f) Fill the hydraulic source with HYDRAULIC FLUIDS (Material No. 02-
R 001) or HYDRAULIC FLUIDS (Material No. 02-004).
R (g) Open the control valves (20) and (13) and operate the hand pump
R (17) to bleed the system. Close the valves (20) and (13).
R
R (2) Install the FILLING ASSEMBLY (M21930) on the charging valve (6) as
R follows:
R (a) Remove the blanking cap (7) from the charging valve (6).
R (b) Remove the cap (1) and the plug (5) from the FILLING ASSEMBLY.
R (c) Move the wrench (9) up to the knurled shoulder (3) and install
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