ADC 19717-A User Manual
Page 31
ADCP-75-169 • Issue 1 • June 2004
Page 23
© 2004, ADC Telecommunications, Inc.
Figure 21. Host Unit Fan/Grill Assembly Removal
6. Lift the small latch on each wiring harness connector and carefully unplug each connector
from the circuit board connector.
7. Remove the plastic rivets that secure each fan to the grill by pushing outward on the rivet
center post until the rivet can be withdrawn from the grill as shown in
Figure 22. Removing Host Unit Fans From Grill
8. Remove both fans from the grill
9. Use the rivets removed in step 7 to secure the replacement fans to the grill. Orient each fan
so the wiring harness is on the top and the arrow on the fan points into the enclosure.
10. Connect the two wiring harness connectors to the circuit board connectors.
11. Secure the fan/grill assembly to the side of the enclosure (see
) using the six flat-
head screws removed in step 4.
12. Place the HU On/Off switch in the ON position (press I).
13. Verify that the fans run properly following power-up.
14. Notify the NOC or alarm monitoring system operator that the system is going back online.
17873-A
16173-B