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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)
Material No. 04-015 USA BAC 5001 DACO-5073 GREASE (Ref. 20-31-00)
C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
07-11-00-581-003
07-11-00-586-001
07-12-00-582-001 09-10-00-584-002 24-41-00-861-002
29-10-00-863-001 29-10-00-864-001 32-46-00-740-001 32-51-19-000-001
32-51-19-400-001
TSM 32-51-00-810-823 32-51-00-991-006 32-51-00-991-003 32-51-00-991-005 Lifting of the Aircraft at Forward Jacking Point, MLG Wheels on the GroundLowering of the Aircraft at Forward Jacking Point, MLG Wheels on the GroundJacking for Nose Gear Wheel ChangeTowing with the Nose Gear from the FrontEnergize the Aircraft Electrical Circuits from the External PowerPressurize the Green Hydraulic SystemDepressurize the Green Hydraulic SystemBITE Test of the BSCURemoval of the Nose Wheel Steering Feedback Sensor (3GC, 4GC) P/N C24763000Installation of the Nose Wheel Steering Feedback Sensor (3GC, 4GC) P/N C24763000
Fig. 501Fig. 502Fig. 503
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3. Job Set-up
__________
Subtask 32-51-00-941-050
A. General
(1)
Put a warning placard in the cockpit to tell persons not to operate the landing gear or the N/WS.
(2)
On the panel 400VU, make sure that the L/G normal control lever is in the DOWN position.
(3)
On the nose gear leg, on the nose wheel steering deactivation electrical box, make sure that the towing lever is in the normal position (engaged position).
(4)
Make sure that the N/WS handwheels and the rudder pedals are in the neutral position.
Subtask 32-51-00-860-062
B. Aircraft Maintenance Configuration
(1) Lift the aircraft and compress the NLG shock absorber
(a)
Lift the front of the aircraft until the nosewheels are clear of the ground (Ref. TASK 07-11-00-581-003).
(b)
Compress the NLG shock absorber with a nosewheel jack until the dimension H is less than 350 mm (14.0 in.) (Ref. TASK 07-12-00-582-001). (Ref. Fig. 501/TASK 32-51-00-991-006)
(c)
Make sure that there is a sufficient clearance between the jack and the nosewheels for the nosewheel steering to operate.
(d)
Make sure that you cannot see more than 350 mm (14.0 in.) of the NLG shock absorber dimension H.
NOTE : As an alternative solution, if only jack is not available
____ you can use need two 1.2m (4ft.) square steel plates, for this do as follows:
-Position a steel plate in front of the nosewheels.
-Apply a thick layer of COMMON GREASE (Material No. 04-004) to the upper surface of the steel plate.
-Put the other steel plate on the top of the greased steel plate.
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NLG Shock Absorber - Clearance Figure 501/TASK 32-51-00-991-006
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-Move the aircraft and position the nosewheels on the greased steel plates (Ref. TASK 09-10-00-584-002).
(2)
Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
(3)
Pressurize the Green hydraulic system (Ref. TASK 29-10-00-863-001).
Subtask 32-51-00-865-070
C. Table of the circuit breakers used in this procedure: -------------------------------------------------------------------------------
PANEL ------ DESIGNATION ------------------------------------------------------- IDENT. LOCATION------------------
121VU HYDRAULIC/BRAKING AND STEERING/SYS2/SPLY 4GG M36
121VU HYDRAULIC/BRAKING AND STEERING/SYS2/CTL 3GG M35
121VU HYDRAULIC/BRAKING AND STEERING/SYS1/CTL 1GG M34
121VU HYDRAULIC/BRAKING AND STEERING/SYS1/IND AND/SPLY 2GG M33
Subtask 32-51-00-865-083
D. Open, safety and tag this(these) circuit breaker(s):
------PANEL -------------------------------------------------------DESIGNATION ------------------IDENT. LOCATION
