NLG Proximity Sensors Figure 406/TASK 32-31-73-991-007- 12 (SHEET 1)
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 NLG Proximity Sensors Figure 406/TASK 32-31-73-991-007- 22 (SHEET 2)
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 (4) For the NLG door-open proximity-sensors 37GA(36GA), 39GA(38GA): (Ref. Fig. 406/TASK 32-31-73-991-007)
 (a)
 Disconnect the electrical connector (132) from the applicable proximity-sensor (135):

 -
for System 1, LH, disconnect FIN 37GA

 -
for System 1, RH, disconnect FIN 36GA

 -
for System 2, LH, disconnect FIN 39GA

 -
for System 2, RH, disconnect FIN 38GA.

 (b)
 Put blanking caps on the disconnected electrical connectors.

 (c)
 Identify the positions of the proximity-sensor (135) and the target (140) before you remove them.

 (d)
 Remove the bolts (136), the washers (133), the nuts (134) and the proximity-sensor (135) from the mounting bracket.

 (e)
 If it is necessary to remove the target (140), remove the:

 -bolts (141)
 -washers (137)
 -nuts (138)
 -target (140).
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 TASK 32-31-73-400-005

 Installation of the NLG Proximity-Sensors 12GA, 13GA, 18GA, 19GA, 24GA, 25GA,
 30GA, 31GA, 37GA (36GA), 39GA (38GA)
 WARNING : MAKE SURE THAT THE FLIGHT CONTROL SAFETY-LOCKS AND THE WARNING

_______ NOTICES ARE IN POSITION.
 WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______ GEAR.
 WARNING : MAKE SURE THAT THE NLG DOWNLOCK SAFETY PIN AND THE TWO DOOR SAFETY
_______ PINS ARE INSTALLED.
 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 No specific access platform 3.0 m (9 ft. 10 in.)
 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 09-016  USA MIL-PRF-81733D TYPE II CLASS B CORROSION INHIBITING FILLET CONSISTENCY (Ref. 20-31-00)
 Material No. 11-026  GB DEF-STAN 68-148/1 SOLVENT GENERAL PURPOSE (Ref. 20-31-00) Material No. 19-003 USA AMS 3819 LINT-FREE COTTON CLOTH (Ref. 20-31-00)
 C. Expendable Parts
 -------------------------------------------------------------------------------FIG.ITEM |DESIGNATION |IPC-CSN -------------------------------------------------------------------------------
126 cotter pin  32-31-14 02A-010
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 D. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
R R R R  32-00-00-481-001 32-00-00-860-001 32-00-00-860-002 32-22-00-010-001 32-22-00-410-001 32-31-73-200-002 32-69-00-740-001 32-31-73-991-007  Installation of the Safety Devices on the Landing Gears Flight Configuration Precautions with Electrical Power Ground Configuration after Flight Configuration with Electrical PowerNose Gear Doors - Ground Doors OpeningNose Gear Doors - Ground Doors ClosingInspection of the NLG Proximity Sensor and Target ClearancesBITE Check Landing Gear Control Interface Unit (LGCIU) using MCDU to Ensure that Continuous BITE is OperativeFig. 406
 3. Job Set-up__________
 Subtask 32-31-73-941-057
 A. Safety Precautions
 (1) Make sure that the safety barriers are 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 - make sure that the warning notice is in position to tell persons not to operate the landing gear.
 (4) On the panel 110VU, make sure that the warning notice is on the GRAVITY GEAR EXTN handle.
　
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