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SECTION II
INSTALLATION
TM 11-6625-2958-14&P
2-1 INITIAL INSPECTION
2-2 Before shipment, this instrument was inspect-
ed and found to be free of mechanical and electri-
cal defects. As soon as the instrument is unpacked,
inspect for any damage that may have occurred in
transit. Save all packing materials until the in-
spection is completed. If damage is found, file a
claim with the carrier immediately. Hewlett-
Packard Sales and Service office should be notified.
2-3
MECHANICAL 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
a n “in-cabinet” performance check to verify proper
instrument operation.
2-7 INSTALLATION DATA
2-8 The instrument is shipped ready for bench
operation. It is necessary only to connect the in-
strument to a source of power and it is ready for
operation.
.
2-9
LOCATION
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 ex-
ceed 55°C.
2-11 OUTLINE DIAGRAM
2-12 Figure 2-1 illustrates the outline shape and
dimensions of Models 6259B, 6260B, 6261B, 6268B,
and 6269B.
2-13 RACK 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,
Figure 2-1.
Outline Diagram
2-15 INPUT POWER REQUIREMENTS
2-16 Model 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 oper-
ated 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
2-17 CONNECTIONS FOR 208 VOLT OPERATION
(Model 6259B, 6261B, or 6268B: Option 027)
2-18 To 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.)
2-1