Control Data Corporation CYBER 180 810 Maintenance And Parts Manual page 105

REPLACEMENT
1. On the bench, remove the eight screws that hold the blower assembly to
the mounting frame/bracket and mount replacement blower assembly.
2.
Attach replacement blower assembly to blower housing by installing hex
nuts.
3. Attach terminal block(s) to blower mounting frame/bracket.
4. Reconnect black, white, and green (ground) wires.
5.
Reattach blower access panel by replacing mounting screws.
NOTE
Lugs must be attached and crimped to
ends of blower wire leads.
6. Apply power to computer cabinet following Computer Cabinet Power Up
procedure steps
4
through
8.
AIR FLOW SENSOR ASSEMBLY
REMOVAL
1. Power down computer cabinet following Computer Cabinet Power Down
procedure steps 1 through 4.
2. Open cabinet doors at front of cabinet.
3. Locate air flow sensor assembly inside each of the tandem intake
plenums near base of cabinet.
4. Detach bracket assembly from plenum interior by removing two mounting
screws.
5. With wires attached, gently pull bracket assembly to workable position
near plenum entrance.
6. Detach connector at air flow sensor thermostat mounted on end of
bracket mounting plate.
7. Detach air flow sensor assembly from bracket mounting plate by removing
two mounting screws.
60469500
c
6-- ll
I