(d)  
Make sure the OFF light goes off.

 (e)  
Set the function switch to the ON position.

 NOTE: The OFF light will come on momentarily when you turn the
____ function switch from the TEST position to the ON position.
 (f)  
Make sure the OFF light stays off.

 (g)  
Set the function switch to the NORM position.

 E. Air/Ground Switch Test
 S 735-696-002
 (1)  Do the air/ground switch test that follows:
 WARNING: PREPARE THE SAFETY-SENSITIVE SYSTEMS FOR THE AIR MODE
_______ BEFORE YOU OPEN THE AIR/GROUND CIRCUIT BREAKERS. IN THE AIR MODE, MANY OF THE AIRPLANE SYSTEMS CAN OPERATE AND CAUSE INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT.
 (a)  
Prepare the safety-sensitive systems for air mode simulation (AMM 32-09-02/201).

 (b)  
Open these circuit breakers on the overhead panel, P11: 1) 11C19, LANDING GEAR POS SYS 2 ALTN (If installed). 2) 11S19, AIR/GND SYS 2

 (c)  
On the Flight Recorder Control Panel (FRCP), make sure the OFF light goes off.

 S 865-829-002
 (2)  Close these circuit breakers on the overhead panel, P11:
 (a)  
11C19, LANDING GEAR POS SYS 2 ALTN (If installed).

 (b)  
11S19, AIR/GND SYS 2

 (c)  
On the FRCP, make sure the OFF light comes on.

 
 GUN 001-008, 010, 101 POST-EO B531006;  ú 31-31-00
 GUN 051, 102-999  ú CONFIG 2 ú 06 Page 502 ú Sep 28/01

A

757 MAINTENANCE MANUAL
 (d)  Put the safety-sensitive systems back to their initial conditions (AMM 32-09-02/201).
 F. Engine Automatic Switch Test
 S 735-697-002
 (1)  Do the engine switch test that follows:
 (a)  
Open these circuit breakers on the overhead circuit breaker panel, P11, and attach DO-NOT-CLOSE tags: 1) 11D7, ENGINES STBY IGNITION LEFT 1 2) 11D8, ENGINES STBY IGNITION LEFT 2 3) 11D9, ENGINES SYBY IGNITION RIGHT 1 4) 11D10, ENGINES STBY IGNITION RIGHT 2 5) 11D20, BATTERY POWER ENGINE START CONT, R 6) 11L1, LEFT ENGINE IGN 1 7) 11L28, RIGHT ENGINE IGN 1

 (b)  
Remove the DO-NOT-CLOSE tag and close this P11 panel circuit breaker: 1) 11D19, ENGINE START CONT LEFT

 (c)  
Remove the DO-NOT-CLOSE tag and close this P6 panel circuit breaker: 1) 6C2, FUEL COND CONT, R

 (d)  
Make sure the L and R FUEL CONT switch on the control stand is set to the CUTOFF position.

 (e)  
Make sure the FRCP function switch is set to the NORM position and the OFF light is on.

 (f)  
On the pilots overhead panel, set the left engine start switch on the engine start/RAT control panel to the GND position.
　
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