Raytheon 138-119, Operator'S And Service Manual

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Change Over Box
138--119
38
3769DOC000002 Edition: April 06, 2005
5.2.4.2 Exchanging of relays
1. Switch OFF both power supplies (disconnection from ship mains).
2. Unscrew the cover of the housing.
3. Tag the signal-- and supply lines of the respective relay and unscrew them from
the relay terminals.
4. Protect wires against contact.
5. Detach the clamp retention of the relay and replace the relay.
6. Fix the destination label at the relay.
7. Plug the signal-- and supply lines into the respective terminals and tighten them.
8. Screw on the cover again and pay attention to a proper position of the sealing.
9. Switch ON both power supplies.
5.3 Parts list
A complete list of spare parts is shown at the wiring diagram for the Change Over Box
138--119.HP008 and for the Change Over Switch at the Dimensional Drawing
124--187.HP005.