vicorpower.com
Applications Engineering: 800 927.9474
Page 11
Field Replacement Unit (Cont.)
Instructions
1.
Remove input power connector.
(this should never be attempted with the input power cable inserted)
2.
Remove output power connections
3.
Remove four screws, from the back panel
(Ref 1)
two either side
(Ref 2)
4.
Remove back panel
(Ref 1)
5.
Pull back the insulating material to gain access to the fan connector
(Ref 7)
6. Depress the latching point on the fan connector
(Ref 7)
7.
The connector is polarized and removes vertically from the PCB housing
8.
Remove four screws
(Ref 4)
. The fan guard and fan are now free from the back panel.
9.
Insert new fan, making sure the arrow
(Ref 3)
is pointed in the direction shown.
(Towards the inside of the MicroPAC)
10.
Replace fan guard in the correct orientation
(Ref 5)
11.
Replace 4 screws
(Ref 4)
.
The torque on these screw should be 5-6 inch-lb. (Friction tight)
12.
Insert fan connector
(ref 7)
into the fan housing.
When inserted correctly you will not be able to remove without depressing the latch
13.
Fold the insulating material back
14.
Replace the back panel
(ref 1)
making sure the fan wire is routed
to the side of the fan.
15.
Replace the four screws
(ref 2)
. The torque on these screw is 5-6 inch-lb
16.
Never apply power to the MicroPAC until all of the reassembly is complete.
