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B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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 32-00-00-481-002 Installation of the Safety Devices on the Landing Gear Doors 32-00-00-860-001 Flight Configuration Precautions with Electrical Power 32-00-00-860-002 Ground Configuration after Flight Configuration 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 32-33-00-720-001 Functional Check of Free-Fall Extension 32-33-00-820-002 Adjustment of the NLG Free-Fall Extension Mechanical
System 32-33-00-991-011 Fig. 502 32-33-00-991-012 Fig. 503
3. Job Set-up
__________
(Ref. Fig. 502/TASK 32-33-00-991-011)
Subtask 32-33-00-941-056
A. Safety Precautions
(1)
Put the safety barriers in position.
(2)
Make sure that the ground safety locks are on the landing gear (Ref. TASK 32-00-00-481-001).
(3)
On the panel 400VU:
-make sure that the landing-gear control-lever 6GA is in the DOWN position
-put a warning notice in position to tell persons not to operate the landing gear.
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NLG Free-Fall Extension - System Adjustment Figure 502/TASK 32-33-00-991-011
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(4) Lock the GEAR GRAVITY EXTN operating handle (1):
(a)
Make sure that the handle (1) is in the stowed position.
(b)
Put a wedge at each side of the handle (1), to keep it in position and prevent its movement.
Subtask 32-33-00-010-052
B. Get Access
(1)
Open the NLG doors (Ref. TASK 32-22-00-010-001).
(2)
Make sure that a SAFETY PIN - NLG DOOR is installed in each NLG door (Ref. TASK 32-00-00-481-002).
(3) Open the lateral avionics-compartment door 822. Subtask 32-33-00-869-066
C. 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.
(2)
If the electrical power is necessary, do the precautions for flight configuration (Ref. TASK 32-00-00-860-001) before you open the LGCIU circuit breakers.
Subtask 32-33-00-865-055
D. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
49VU L/G/LGCIU/SYS1/NORM 1GA C09 121VU HYDRAULIC/LGCIU/SYS2 2GA Q35 121VU HYDRAULIC/LGCIU/SYS1/GRND SPLY 52GA Q34
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4. Procedure
_________
(Ref. Fig. 502/TASK 32-33-00-991-011, 503/TASK 32-33-00-991-012)
CAUTION : MAKE SURE THAT THE FREE-FALL EXTENSION CABLES ARE ADJUSTED
_______ CORRECTLY. INCORRECT ADJUSTMENT OF THE CABLES CAN CAUSE THE FREE-FALL EXTENSION SYSTEM TO BE UNSERVICEABLE.
Subtask 32-33-00-820-050
R A. Adjustment of the NLG Free-Fall Extension Cable System
(1) Put in the PIN, RIGGING - RUDDER CONTROL (98A27901002000) at position Pin 3. Make sure that the bellcrank is locked. (Ref. Fig. 502/TASK 32-33-00-991-011)
NOTE : If the rigging pin can not be installed, adjust the NLG
____ mechanical system. (Ref. TASK 32-33-00-820-002).
(2) To adjust the cables (2) and (3):
(a) Attach the tensiometer to the cable (3) at position A in the R lateral avionics-compartment, zone 125, 126. Make sure that the R tensiometer is attached a minimum of 80 mm (3.1496 in.) away from R pulleys and turnbuckles.
(b)
Get the ambient temperature and the temperature of the underfloor area.
(c)
Remove the two locking clips (10) from the turnbuckle body (9) between the cables (2) and (3).
(d)
Plot the ambient and underfloor temperature points on the graph and find the correct tension value. (Ref. Fig. 503/TASK 32-33-00-991-012)
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