Service manual

GS160/320 Component Removal and Replacement 4-57
Removal
1. If the system is partitioned and is a GS320, operating systems running in
the cabinet that does not contain the failing blower can continue to run
while the repair is done on the blower in the other cabinet.
2. Open the rear door of the power cabinet and trip the circuit breakers of the
AC input box powering the subracks that power the system cabinet
containing the failing blower. (Do not trip the main circuit breaker since
peripherals may be powered by this particular AC input box.)
3. Open the front and rear doors of the system cabinet(s).
4. At the rear unplug the blower.
5. Remove the bottom three Phillips head screws holding the blower to the
blower plate.
6. At the front, remove the three Phillips head screws holding the blower in
place.
7. Slide the blower from the front of the cabinet.
Replacement
Reverse the steps outlined in the removal procedure.
Verification
If the system is partitioned, power on the partitions contained in the cabinet.
Otherwise, power on the entire system.