S 712-030
(4)
Make sure the body gear moves to the down and locked position.
S 492-032
(5)
Install ground locks for the body gear (Ref 09-11-00/201).
S 862-033
(6)
Move the control handle for the landing gear to the OFF position.
S 582-034
(7)
Lower the airplane to the ground if it is not necessary to have the airplane on the jacks (Ref 07-11-01/201).
S 092-035
WARNING: OBEY THE REMOVAL PROCEDURE FOR THE DOOR LOCKS.____
_______ THE DOORS OPEN AND CLOSE QUICKLY. THE MOVEMENT OF THE DOORS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(8) Do this task: Remove the Door Locks on the Wing Landing Gear (AMM 32-00-30/201).
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747-400
MAINTENANCE MANUAL
S 092-059
(9)
Do this task: Remove the Door Locks on the Body Landing Gear (AMM 32-00-30/201).
S 862-031
(10)
Remove hydraulic pressure from the No. 1 hydraulic system (Ref 29-11-00/201).
S 862-058
(11)
Remove electrical power if it is not necessary (Ref 24-22-00/201).
TASK 32-61-11-722-097
6. Test of the Uplock Sensor for the Body Landing Gear___________________________________________________
A. General
(1)
This test makes sure the Up Sensor of the Body Landing Gear operates correctly.
(2)
Do this test of the sensors with the landing gear in the down and locked position.
B.
References
(1)
AMM 24-22-00/201, Electrical Power
(2)
AMM 32-00-30/201, Landing Gear Door Locks
C.
Equipment
(1)
A27092-84 Proximity Sensors Actuator/Deactuator Set
(Preferred) or
(2)
A32102-25 Proximity Sensors Actuator/Deactuator Set
(Optional) or
(3)
KHT 8-752-01 Go-Gauge (Actuator), ELDEC Corporation, Aircraft Systems Division, PO Box 3002, Bothell, WA 98041-3002
(Optional to A32102-25)
D. Access
(1)
Location Zone 137 Body Gear Wheel Well, Aft Bulkhead, Left Gear 138 Body Gear Wheel Well, Aft Bulkhead, Right Gear 222 Control Cabin - RH
E.
Prepare the Airplane for the Test
S 412-090
WARNING:_______MAKE SURE THE GROUND LOCKS ARE INSTALLED ON THE BODY GEAR. AN ACCIDENTAL RETRACTION OF THE LANDING GEAR CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(1) Make sure the ground locks are installed on the body gear (AMM 09-11-00/201).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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747-400
MAINTENANCE MANUAL
S 412-091
WARNING:_______MAKE SURE THE DOOR LOCKS ARE INSTALLED ON THE BODY GEAR. FAST MOVEMENT OF THE DOORS FOR THE LANDING GEAR CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(2)
Install the door locks for the body gear (AMM 32-00-30/201).
S 862-092
(3)
Supply electrical power (AMM 24-22-00/201).
S 742-093
(4)
Do these steps to prepare the CMC for the test (Fig. 202):
NOTE: This test uses the CMCs.
____
(a)
Push the MENU key on the CDU to get the CDU MENU.
(b)
Push the line-select key, adjacent to the <CMC display.
(c)
Push the line-select key, adjacent to the <OTHER FUNCTIONS display.
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