(5)  
49-11-00/501, Auxiliary Power Unit (APU)

 (6)  
71-00-00/501, Power Plant

 C.  Access
 (1)  
Location Zones
 212 Flight Compartment (RH Side)
 119 Main Equipment Center

 (2)  
Access Panels
 119BL Main Equipment Center Panel

 D.  Equipment
 (1)  
Adapter - A24004-2.

 (2)  
Multimeter - 0-1000 VDC, 0-750 VAC, 0-2 amps,
 0-20 megohms

 E.  Air Mode Test
 S 845-061
 WARNING:_______REFER TO AMM 32-09-02/201 FOR FLIGHT MODE SIMULATION. IF YOU DO NOT FOLLOW THE INSTRUCTIONS, INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
 (1)  
Put the system number 1 and 2 air/ground relays in the flight mode (AMM 32-09-02/201).

 (2)  
Open the access cover on the external power panel P30.

 S 015-044
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 S 865-045
 (3)  Install the power cable, in the external power receptacle.
 (a)  
Use a cargo tie down for cable support.

 (b)  
Energize the power cable.

 S 865-046
 (4)  
Supply integrated drive generator power to the main ac buses (AMM 24-22-00/201).

 S 725-047

 (5)  
Do a check on the air mode:

 (a)  
Make sure the DRIVE lights in the L and R GEN DRIVE DISC switches (P5) are off.

 (b)  
Set the two BUS TIE switches (P5) to the AUTO position. 1) Make sure the ISLN light, in each switch, is off.

 (c)  
Push the R GEN CONT switch on the P5 to the OFF position. 1) Make sure the yellow OFF light, in the switch, comes on. 2) Make sure these lights are off:

 a) The OFF light in the L GEN CONT switch (P5).
 b) The two BUS OFF lights (P5).
 c) The ON light in the EXT PWR switch (P5).

 (d)  
Push the EXT PWR switch (P5).

 1)  Make sure these lights on the P5 panel are off: a) The ON light in the EXT PWR switch. b) The OFF light in the L GEN CONT switch. c) The two BUS OFF lights.

 (e)  
Push the L GEN CONT switch (P5) to the OFF position. 1) Make sure the yellow OFF light in the switch comes on. 2) Make sure the two yellow BUS OFF lights (P5) come on. 3) Make sure the ON light in the EXT PWR switch (P5) is off.

 (f)  
Push the R GEN CONT switch (P5) to the ON position.

 1)  Make sure these lights are off: a) The OFF light in the R GEN CONT switch (P5). b) The two BUS OFF lights (P5).

 (g)  
Push the EXT PWR switch (P5).

 1)  Make sure these lights stay off: a) The ON light in the EXT PWR switch (P5). b) The two BUS OFF lights (P5). c) The OFF light in the R GEN CONT switch.

 (h)  
Push the L GEN CONT switch (P5) to the ON position.

 1)  Make sure these lights are off: a) The OFF light in the L and R GEN CONT switch (P5). b) The two BUS OFF lights (P5). c) The ON light in the EXT PWR switch.

 (i)  
Push the EXT PWR switch (P5).

 1)  Make sure these lights are off: a) The OFF light in the L and R GEN CONT switch (P5). b) The two BUS OFF lights (P5). c) The ON light in the EXT PWR switch.
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 (j)  
Push the GRND SERV BUS switch on the forward attendant's panel P21. 1) Make sure the light in the switch stays on.

 (k)  
Push the L GEN CONT switch (P5) to the OFF position. 1) Make sure the yellow OFF light in the switch comes on.

 (l)  
Push the R GEN CONT switch (P5) to the OFF position. 1) Make sure the yellow OFF light in the switch comes on. 2) Make sure the two yellow BUS OFF lights are on.
　
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