(b)
Make sure that the MLG door ground-control-handles are locked in the OPEN position (Ref. TASK 32-12-00-010-001).
(c)
Make sure that the NLG door ground-opening handle is locked in the opening position (Ref. TASK 32-22-00-010-001).
(d)
Make sure that the landing gear doors are open and safetied (Ref. TASK 32-00-00-481-002).
(e)
Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
1EFF : ALL 1 32-31-73Page A514 1 1 May 01/05 1 1 1CES 1
(f) Pressurise the Green hydraulic system (Ref. TASK 29-23-00-863-001).
(3) If a check of a MLG or NLG shock absorber proximity sensor is necessary, lift the aircraft on jacks (Ref. TASK 07-11-00-581-001).
NOTE : Do not lift the aircraft if a check of a MLG or NLG shock
____ absorber proximity sensor is not necessary.
(4) If a check of a MLG or NLG uplock proximity sensor is necessary, retract the landing gear (Ref. TASK 32-30-00-867-001).
NOTE : Do not retract the landing gear if a check of a uplock
____
proximity sensor is not necessary.
(5)
Close the MLG doors (Ref. TASK 32-12-00-410-001).
(6)
Close the NLG doors (Ref. TASK 32-22-00-410-001).
(7)
Close the FWD and AFT cargo-compartment doors (Ref. TASK 52-30-00-860-002).
(8)
Remove the TOOL-ZERO LOCKING, FLAP SLAT CTL LEVER from the flap/slat control lever.
(9)
Fully extend the flaps (Ref. TASK 27-50-00-866-008).
(10) Install the LOCKING TOOL - FLAP/SLAT CONTROL LEVER (98D27803000000) on the flap/slat control lever.
(11) Remove the two LGCIUs (Ref. TASK 32-31-71-000-001). Subtask 32-31-73-760-051 R C. Inductance Check of the Proximity Sensors/Switches - Simulated Flight
R Condition NOTE : The inductance value at the target-near position is very important
____ to the correct operation of the proximity sensor/switch.
R (1) De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
(2) Check each applicable proximity sensor/switch as follows: (Ref. Fig. 513/TASK 32-31-73-991-038, 515/TASK 32-31-73-991-040)
(a)
Get the related LGCIU ARINC connector pin numbers of the applicable proximity sensor/switch from the applicable table.
(b)
Find the related pin locations in connector AA of the applicable LGCIU ARINC tray.
1EFF : ALL 1 32-31-73Page A515 1 1 May 01/05 1 1 1CES 1
R (c) Use a 1 KHz inductance meter accurate to +/- 0.25% to measure and record the inductance between the applicable pins of connector AA.
(d) Compare the recorded inductance value with the value given in the R applicable table. If the recorded inductance value is not as R specified, refer to Para. 4.D.
Subtask 32-31-73-960-051
D. Adjustment/Replacement of the Proximity Sensors/Switches
(1) If the recorded inductance values are not as specified:
-check the proximity sensor and target clearance and if necessary adjust the clearance (if possible) or
-replace the defective sensor/switch:
(a)
FOR 37CV, 38CV, 39CV, 40CV
-replace the defective sensor (Ref. TASK 27-51-44-000-002) and (Ref. TASK 27-51-44-400-002).
(b)
FOR 8GA, 9GA, 10GA, 11GA
-replace the defective sensor (Ref. TASK 32-31-73-000-001) and (Ref. TASK 32-31-73-400-001).
(c)
FOR 12GA, 13GA
-replace the defective sensor (Ref. TASK 32-31-73-000-005) and (Ref. TASK 32-31-73-400-005).
(d)
FOR 14GA, 15GA, 16GA, 17GA
-check the defective proximity sensor and (if necessary) adjust the target clearance (Ref. TASK 32-31-73-200-001) and (Ref. TASK 32-31-73-820-001)
- or replace the defective sensor (Ref. TASK 32-31-73-000-001) and (Ref. TASK 32-31-73-400-001).
(e) FOR 18GA, 19GA
-check the defective proximity sensor and (if necessary) adjust the target clearance (Ref. TASK 32-31-73-200-002) and (Ref. TASK 32-31-73-820-005)
- or replace the defective sensor (Ref. TASK 32-31-73-000-005) and (Ref. TASK 32-31-73-400-005).
1EFF : ALL 1 32-31-73Page A516 1 1 May 01/05 1 1 1CES 1 (f) FOR 20GA, 21GA, 22GA, 23GA
-check the defective proximity sensor and (if necessary) adjust the target clearance (Ref. TASK 32-31-73-200-001) and (Ref. TASK 32-31-73-820-002)
- or replace the defective sensor (Ref. TASK 32-31-73-000-001) and (Ref. TASK 32-31-73-400-001).
(g) FOR 24GA, 25GA
-check the defective proximity sensor and (if necessary) adjust the target clearance (Ref. TASK 32-31-73-200-002) and (Ref. TASK 32-31-73-820-006)
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