1.Disconnect all power, discharge the high voltage capacitors, and disconnect all leads from the transformer terminals.

2.Unbolt the transformer from the power supply chassis.

3.To replace the transformer, reverse the steps, being certain that terminals are in the correct locations. Refer to Table 20, “Transformer Terminal Orientation,” on page 112 that follows.

CAUTION: Transformers must be securely mounted to the chassis to provide adequate transformer grounding.

Front

Front

CB1A CB1B

B101

S1 S2 S3

L101

 

 

 

 

 

C102

C101

 

 

 

 

 

 

 

 

 

 

 

 

T103

 

 

 

 

 

 

 

 

 

 

 

Rear

 

 

 

 

 

 

 

 

T102

T101

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J101

 

 

 

 

 

 

C103

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DB2

 

 

DB1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TB1

K102 K101

Top View

TB1

K103 Rear

K102 K101

Side View

Figure 45. P300M/P300MQ HV Wiring

Installation, Operation, and Maintenance Manual # 509252 Rev R 111