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 S 472-007
 (5)  Prepare for the software installation:
 NOTE: There is no required order in loading the OPS and OPC
____ software. The loading of one does not affect the loading of the other.
 NOTE: You must install the same OPS(OPC) part numbers in the
____ two EICAS computers. "EICAS SOFTWARE" will show if you install different OPS(OPC) part numbers.
 CAUTION: MAKE SURE THE POWER SWITCH FOR THE PORTABLE DATA LOADER IS
_______ SET TO OFF BEFORE YOU CONNECT OR REMOVE THE INTERFACE CABLE. IF THE POWER SWITCH IS NOT OFF, DAMAGE TO THE PORTABLE DATA LOADER CAN OCCUR.
 (a)  Set the power switch on the PDL to the off position.
 CAUTION: MAKE SURE THE CIRCUIT BREAKER FOR THE DATA LOADER IS OPEN
_______ BEFORE YOU CONNECT OR REMOVE THE INTERFACE CABLE FOR THE PORTABLE DATA LOADER. IF THE CIRCUIT BREAKER IS NOT OPEN, DAMAGE TO EQUIPMENT CAN OCCUR.
 (b)  
Open these circuit breakers on the overhead circuit breaker panel, P11, and attach DO-NOT-CLOSE tags: 1) 11J2, EICAS CMPTR LEFT 2) 11J3, EICAS UPPER IND 3) 11J29, EICAS CMPTR RIGHT 4) 11J30, EICAS LOWER IND 5) 11J31, EICAS DSPL SW 6) 11J32, EICAS PILOT DSPL

 (c)  
Connect the PDL interface cable to the ARINC 615 connector on the front of the left (right) EICAS computer.

 (d)  
Close these circuit breakers on the overhead circuit breaker panel, P11, and remove the DO-NOT-CLOSE tags: 1) 11J3, EICAS UPPER IND 2) 11J30, EICAS LOWER IND 3) 11J31, EICAS DSPL SW 4) 11J32, EICAS PILOT DSPL

 (e)  
Make sure these circuit breakers on the overhead circuit breaker panel, P11, are closed: 1) 11S15 LDG GEAR AIR/GND SYS1 2) 11S19, LDG GEAR AIR/GND SYS2 3) 11C30, LDG GEAR POS SYS1 4) 11S23, LDG GEAR POS SYS2

 (f)  
Make sure this circuit breaker on the overhead circuit breaker panel, P6, is closed: 1) 6F4, LDG GEAR PARKING BRAKE VLV.

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 (g)  If you are loading the left EICAS computer, close this circuit breaker on the overhead circuit breaker panel, P11, and remove the DO-NOT-CLOSE tag:
 NOTE: The circuit breaker for the EICAS computer you are not
____ loading must be open while you are installing software.
 1) 11J2, EICAS CMPTR LEFT
 (h)  If you are loading the right EICAS computer, close this circuit breaker on the overhead circuit breaker panel, P11, and remove the DO-NOT-CLOSE tag:
 NOTE: The circuit breaker for the EICAS computer you are not
____ loading must be open while you are installing software.
 1) 11J29, EICAS CMPTR RIGHT
 S 472-043
 (6)  Do these steps to install software:
 (a)  SOFTWARE INSTALLATION WITH A PDL DISK DRIVE;
　
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