TM 11-6625-2958-14&P

SECTION II

INSTALLATION

2-1INITIAL INSPECTION

2-2 Before shipment, this instrument was inspected and found to be free of mechanical and electrical defects. As soon as the instrument is unpacked, inspect for any damage that may have occurred in transit. Save all packing materials until the inspection is completed. If damage is found, file a claim with the carrier immediately. Hewlett- Packard Sales and Service office should be notified.

2-3MECHANICAL CHECK

2-4 This check should confirm that there are no broken knobs or connectors, that the cabinet and panel surfaces are free of dents and scratches, and that the meters are not scratched or cracked.

2-5

ELECTRICAL CHECK

 

2-6

The instrument should be checked against

 

its

electrical specifications. Section V includes

Figure 2-1.Outline Diagram

a n “in-cabinet” performance check to verify proper

instrument operation.

 

2-7INSTALLATION DATA

2-8The instrument is shipped ready for bench operation. It is necessary only to connect the instrument to a source of power and it is ready for

operation.

.

2-9LOCATION

2-10 This instrument is fan cooled. Sufficient space should be allotted so that a free flow of cooling air can reach the sides of the instrument when it is in operation. It should be used in an area where the ambient temperature does not exceed 55°C.

2-11OUTLINE DIAGRAM

2-12 Figure 2-1illustrates the outline shape and dimensions of Models 6259B, 6260B, 6261B, 6268B, and 6269B.

2-13RACK MOUNTING

2-14 This instrument is full rack size and can be easily rack mounted in a conventional 19 inch rack panel using standard mounting screws,

2-15INPUT POWER REQUIREMENTS

2-16Model 6259B, 6260B, 6261B, or 6268B power supply may be operated continuously from either a nominal 230 volt, 208 volt, or 115 volt 57-63Hz power source. Model 6269B may be operated from a 230 volt or 208 volt, 57-63Hz power source only. The instrument as shipped from the factory is wired for 230 volt operation. The input power when operated from a 230 volt power source at full load is:

Model

Input Current

Input Power

6259B

6A

850W

6260B

12A

1600W

6261B

11A

1500W

6268B

11A

1600W

6269B

18A

2500W

2-17CONNECTIONS FOR 208 VOLT OPERATION (Model 6259B, 6261B, or 6268B: Option 027)

2-18To convert Model 6259B, 6261B, or 6268B to operation from a 208Vac source, taps on the power and bias transformers must be changed as follows:

a. Remove RFI assembly as described in Steps (a) through (c) of Paragraph 5-67.Access is now provided to bias transformer A3T2. (See Figure 7-2.)