Removing The Cooling Fan; Figure 3-7 Cooling Fan Screws - Keysight Technologies 53147A Service Manual

Removing the Cooling Fan

Use the following procedure to remove the cooling fan:
1 Remove the shroud (see
2 Disconnect the two-wire cooling-fan power cable (blue and red wires) from
3 Use a #1 Phillips screwdriver and a 1/4-inch wrench or nut driver to remove
4 While removing the cooling fan from the chassis, guide the cable to be sure it
Keysight 53147A/148A/149A Assembly Level Service Guide
Replacing Assemblies - Disassembly and Reassembly
J16 on the main board. J16 is the connector that is closest to the rear panel
assembly near the right chassis wall and behind the power supply (directly
under the fan).
the four 4-40 x 1-inch panhead machine screws and 1/4-inch self-locking hex
nuts that attach the cooling fan to the chassis (see
Figure 3-7 Cooling Fan Screws
does not catch on other cables or other components of the instrument.
"Removing the Shroud" on page 96).
Figure 3-7).
3
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