Control Data Corporation CYBER 180 810 Maintenance And Parts Manual page 106

REPLACEMENT
NOTE
There is another air flow sensor
assembly inside the power cabinet in
front of the switching power supply.
The removal procedure involves removing
power completely following Computer
Cabinet Power Down procedure and then
steps 6 and 7 of above Air Flow Sensor
Assembly removal procedure.
1. Set replacement air flow sensor assembly in mounting position on
bracket mounting plate.
2. Replace two mounting screws to secure air flow sensor assembly to
bracket mounting plate.
3. Reconnect connector to air flow sensor thermostat mounted on bracket
mounting plate.
4. Place bracket assembly in mounting position inside intake plenum.
5. Replace two mounting screws to secure bracket assembly to intake
plenum interior.
6. Close front cabinet doors.
7. Apply power to computer cabinet using Computer Cabinet Power Up
procedure steps 4 through 8.
PROTECT MODULE ASSEMBLY
Refer to figures 4-5 and 4-6, find number 1 for locations.
REMOVAL
1. Remove power from computer cabinet following Computer Cabinet Power
Down procedure steps 1 through. 5.
2. Disconnect two 15-pin connectors and one 90° (right angle) connector
from the assembly.
3. Dismount protect module assembly from its holding bracket.
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