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34 Replacing Cabinet Subassemblies
To remove a fan, proceed as follows:
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
Practice 450-1011-501
For your protection and the protection of the equipment, make sure
the system is powered off for this procedure.
Open the rear door of the cabinet and use a 5/16-inch Allen wrench to
remove the hinge plate from the bottom of the door as shown in Fig.
4-1.
Remove the fan grill at the top of the cabinet by taking out the screw
with a 1/4-inch nutdriver.
With the 1/4-inch nutdriver, remove the two hex screws that hold the
top of the fan grill's mounting bracket as shown in Fig. 4-1.
Disconnect the receptacle on the fan power cable from the plug on the
fan assembly.
Remove the three remaining screws on the fan with the 1/4-inch
nutdriver.
Remove the fan assembly from the cabinet and disconnect the ground
wire from the fan with a flat-blade screwdriver.
If a replacement fan assembly is available, install it according to the
procedure titled 'Installing the Fan Assembly'. Check the part number to
ensure they are the same model of unit. If no spare is available, wrap up
the door's hardware and store it with the door in a safe place until a
replacement fan is available.
Pack the defective fan carefully in bubble wrap and a cardboard carton
and return it to the repair depot.
- WARNING -
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