R 32-31-00-991-001 Fig. 508
3. Job Set-up
__________
Subtask 32-31-00-941-076
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 or the landing gear doors.
(4)
On the panel 110VU, make sure that the GRAVITY GEAR EXTN handle is folded into the center console.
Subtask 32-31-00-010-066
B. Get Access
(1)
Open the MLG doors (Ref. TASK 32-12-00-010-001).
(2)
Make sure that the GROUND LOCK SLEEVE (460005835) is on the applicable main gear door actuator.
(3)
Open the NLG doors (Ref. TASK 32-22-00-010-001).
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(4) Make sure that a SAFETY PIN - NLG DOOR is installed in each NLG door (Ref. TASK 32-00-00-481-002).
Subtask 32-31-00-869-080
C. Flight Configuration Precautions
(1) Do the flight configuration precautions (Ref. TASK 32-00-00-860-001). Subtask 32-31-00-480-053
D. Installation of the Test Equipment R (Ref. Fig. 508/TASK 32-31-00-991-001)
(1) Install the FALSE TARGET (98F32304000000) on each of the proximity sensors 20GA, 21GA, 22GA, 23GA, 24GA and 25GA.
Subtask 32-31-00-860-068
E. Aircraft Maintenance Configuration WARNING : MAKE SURE THAT THE CONTROLS AGREE WITH THE POSITION OF THE
_______ ITEMS THEY OPERATE BEFORE YOU PRESSURIZE A HYDRAULIC SYSTEM.
(1)
Pressurize the Green hydraulic system
(Ref. TASK 29-10-00-863-001).
(2)
Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002)
4. Procedure
_________
Subtask 32-31-00-790-051
A. Leak Test of the Landing Gear Actuators with the A/C Weight on Wheels
(1)
On the panel 400VU, move the landing-gear control-lever 6GA to the UP position.
(2)
Examine the landing gear actuators for leaks.
(3)
On the panel 400VU, move the landing-gear control-lever 6GA to the DOWN position.
(4)
Examine the landing gear actuators for leaks (Ref. TASK 29-00-00-790-001).
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R Proximity Sensors - Location Figure 508/TASK 32-31-00-991-001
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5. Close-up
________ Subtask 32-31-00-863-064
A. Pressurize the Hydraulic System WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL SURFACES
_______ ARE CLEAR BEFORE YOU PRESSURIZE/DEPRESSURIZE A HYDRAULIC SYSTEM.
(1) Pressurize the Green hydraulic system
(Ref. TASK 29-10-00-863-001).
Subtask 32-31-00-410-058
B. Close Access
(1) Close the MLG doors (Ref. TASK 32-12-00-410-001).
(2) Close the NLG doors (Ref. TASK 32-22-00-410-001). Subtask 32-31-00-864-061
C. Depressurize the Hydraulic System
(1) Depressurize the Green hydraulic system
(Ref. TASK 29-10-00-864-001).
Subtask 32-31-00-862-057
D. De-energize the Electrical Circuits
(1) De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
Subtask 32-31-00-080-052
E. Removal of the Safety Devices
(1) Remove the FALSE TARGET from each of the proximity sensors 20GA, 21GA, 22GA, 23GA, 24GA and 25GA.
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Subtask 32-31-00-869-083
F. Flight Configuration Precautions
(1) Put the aircraft back to the ground configuration (Ref. TASK 32-00-00-860-002).
Subtask 32-31-00-942-068
G. Removal of Equipment
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
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