(3)
Remove and discard the lockwasher (2).
(4)
Remove the washer (3) and the bolt (6) with the washer (7).
(5)
Disconnect the rod end (8) from the lever (5).
(6)
Remove the cotter pin (12) and discard it, remove the nut (13) and the washer (14).
(7)
Remove the bolt (10) and disconnect the actuating cylinder from the support (16).
(8)
Remove the actuating cylinder (17).
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NLG Door Actuating Cylinder
Figure 401/TASK 32-31-16-991-001
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TASK 32-31-16-400-001
Installation of the NLG Door Actuating Cylinder (2531GM)
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific safety barriers
No specific warning notice(s)
No specific access platform 2.06 m (6 ft. 9 in.)
No specific container 5 l (1.3208 USgal)
No specific Torque Wrench : range 0.20 to 3.60 m.daN
(2.00 to 26.00 lbf.ft) 98D32303000000 1 ADAPTER-WRENCH
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 04-004 USA MIL-PRF-23827 TYPE I
SYNTH.ESTER BASED GREASE HIGH PRESSURE
(Ref. 20-31-00)
R Material No. 04-022 USA MIL-PRF-81322 GRADE 2 R SYNTHE.HYDROCARBON GREASE HIGH PRESSURE R (Ref. 20-31-00)
Material No. 11-002 USA MIL-PRF-680
DRY CLEANING SOLVENT (VARSOL/WHITE SPIRIT)
(Ref. 20-31-00)
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C. Expendable Parts -------------------------------------------------------------------------------
FIG.ITEM --------- |DESIGNATION ---------------------------------------- |IPC-CSN------------------------------
2 lockwasher 32-31-01 03 -070
12 cotter pin 32-31-01 03 -010
D. Referenced Information
------------------REFERENCE -------------------------------DESIGNATION ------------------------------
-------------------------------------------------------------------------------
12-12-29-611-001 Fill the Hydraulic Fluid Reservoir with a Hand Pump 12-12-29-611-002 Fill the Hydraulic Fluid Reservoir with a Hydraulic
Service Cart 12-22-32-640-002 Lubrication of the NLG and Doors 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
Configuration before Maintenance Action 29-14-00-614-001 Depressurization of the Hydraulic Reservoirs 32-22-00-010-001 Nose Gear Doors - Ground Doors Opening 32-22-00-410-001 Nose Gear Doors - Ground Doors Closing 32-31-16-991-001 Fig. 401
3. Job Set-up
__________
Subtask 32-31-16-860-050
A. Aircraft Maintenance Configuration
(1)
Make sure that the Green hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001)
(2)
Make sure that the reservoir of the Green hydraulic system is depressurized (Ref. TASK 29-14-00-614-001).
(3)
In the cockpit, on the panel 400VU, make sure that the warning notice(s) is (are) in position to tell persons not to operate the landing gear control lever.
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(4) Make sure that the warning notice(s) is (are) in position to tell persons not to pressurize the Green hydraulic system: - on the panel 40VU in the cockpit, - on the ground service panel of the Green hydraulic system, access door (197CB).
(5) Make sure that the safety barriers are in position.
(6) Make sure that the container is in position below the NLG door actuating cylinder (2531GM).
(7) Make sure that the doors of the nose landing gear are open (Ref. TASK 32-22-00-010-001).
(8) Make sure that the access platform is in position in zone 123.
4. Procedure_________
(Ref. Fig. 401/TASK 32-31-16-991-001)
Subtask 32-31-16-110-050
A. Preparation for Installation
(1) Clean the junction components with CLEANING AGENTS (Material No. 11-002) and dry with dry, filtered compressed air.
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