Supply Valves; Servo Oxygen Board Repairs - GE Giraffe Service Manual

5.9.4.2 Supply Valves

1. Remove the regulator assembly as described in steps 1 through 3 above.
2. Disconnect the supply valves electrical connector.
3. Use a pair of pliers to turn the valve out of the manifold block.
4. When installing a new valve, finger tighten it into the manifold. Perform the Pre-use Checkout Supply Valve
Leak Test.

5.9.5 Servo Oxygen Board Repairs

1. Use a 2.5 mm hex key to loosen the 2 screws in the keyhole slots and remove the 6 remaining screws that
secure the electrical enclosure cover, then remove the cover.
2. The Servo O2 Board is located in the second slot of the option card cage. The 485 data cable, sensor
housing cable, calibration cable and cooling fan cable are attached to it. The board can be slid part way
out of its guide to access its connectors or to replace the U6 EPROM. Perform Pre-use Checkout.
© 2001 by Datex-Ohmeda, Inc.. All rights reserved.
Chapter 5: Repair Procedures
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