Figure 11. Hvmf Cooling Fan Assembly And Mounting Screws - Nokia MetroSite Maintenance Manual

Replacing the HVMF fan, version 1
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Figure 11.
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Remove the fan mounting assembly from the cabinet, as follows:
1. Remove the three T10 Torx screws and one T25 Torx screw from the
right hand side of the mounting assembly. See Figure 11.
2. Slide the mounting assembly sideways and disconnect the fan unit's
connector from the backplane.
Remove the three M4 x 60 Torx screws from the fan unit (see Figure 12)
to release the fan unit and the lower fan guard.
Remove the two 3 x 10 self tapper screws from the fan controller module
(see Figure 12).
Remove the fan unit, the fan controller module, and the lower fan guard.
To replace the fan, reverse the procedure.
T25
HVMF cooling fan assembly and mounting screws
T10
Draft
Maintenance
DN9913495
Issue 3-0 en