S 765-020
 (11)
 Use a volt/ohmmeter to measure the voltage between pins 6 (+ voltage) and 12 (ground). The connectors to be measured are in column A of Tables 1 and 2. The measured voltage of each connector must be the same as the voltage shown in column D of Table 1 and column B of Table 2.

 S 965-021

 (12)
 Install or remove the switch actuators or deactuators on the proximity sensors as shown below: ~............................................................ | SENSOR | LOCATION | ACTUATOR | DEACTUATOR | .............................................................. | S10068 | Nose Gear | Install | - -| .............................................................. | S10064 | Left Main Gear| - -| Install | 2.........…................…..............…..................1

 S 765-022

 (13)
 Use a volt/ohmmeter to measure the voltage between pins 6 (+ voltage) and 12 (ground). The connectors to be measured are in column A of Tables 1 and 2. The measured voltage of each connector must be the same as the voltage shown in column D of Table 1 and column E of Table 2.

 S 965-023

 (14)
 Install or remove the switch actuators or deactuators on the proximity sensors as shown below: ~............................................................ | SENSOR | LOCATION | ACTUATOR | DEACTUATOR | .............................................................. | S10064 | Left Main Gear | - -| Remove | .............................................................. | S10059 | Right Main Gear| - -| Install | 2.........…................…..............…..................1

 S 765-024

 (15)
 Use a volt/ohmmeter to measure the voltage between pins 6 (+ voltage) and 12 (ground). The connectors to be measured are in column A of Tables 1 and 2. The measured voltage of each connector must be the same as the voltage shown in column D of Table 1 and column E of Table 2.

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 S 965-025
 (16)
 Install or remove the switch actuators or deactuators on the proximity sensors as shown below: ~............................................................ | SENSOR | LOCATION | ACTUATOR | DEACTUATOR | .............................................................. | S10064 | Left Main Gear | - -| Install | 2.........…................…..............…..................1

 S 865-026

 (17)
 Erase the EICAS memory.

 S 865-027

 (18)
 Make sure the NOSE A/G DISAGREE message is not shown on the EICAS.

 S 865-073

 (19)
 Make sure the NOSE A/G SYS message does not show on the EICAS.

 S 765-028

 (20)
 Use a volt/ohmmeter to measure the voltage between pins 6 (+ voltage) and 12 (ground). The connectors to be measured are in column A of Tables 1 and 2. The measured voltage of each connector must be the same as the voltage shown in column D of Table 1 and column C2 of Table 2.

 S 865-029

 (21)
 Make sure the AIR/GND DISAGREE message is shown on the EICAS. Permit 10 seconds for a message to come into view.

 (22)
 Make sure the AIR/GND SYS message shows on the EICAS.

 S 865-030

 (23)
 Move the EICAS computer select switch to the R position.

 (a)
Make sure the AIR/GND DISAGREE message is shown on the EICAS.

 S 865-075
 

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 (b) Make sure the AIR/GND SYS message shows on the EICAS.
　
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