Ohmeda 3000 - Control Module Repairs

5/Disassembly and Repair
E. Examination Lamp Replacement
(Figures 5-4 and 5-5)
Lamp: GE EXZ(050 MR16/NFL) Ohmeda Part No.
0208-0521-300 or GE EXN(050 MR16/FL)
CAUTION: Disconnect the Infant Warmer System
power cord and allow the unit to cool before re-
placing the examination light. The lamp normally
operates at a high temperature.
Note: Do not touch the center glass bulb. This will
reduce the life of the lamp.
4. Disconnect the power cord for the Infant Warmer
System and allow the unit to cool for 10 minutes.
2. Rotate the heater assembly to the X-ray position.
3. Use a Phillips head screw driver to remove the
three back panel mounting screws and slide the
back panel to the right side.
4. While holding the lamp with one hand, use the
other hand to pull the lever (next to the lamp)
forward and remove the lamp.
Remove three cover
mounting screws and
5. Place the new lamp in position and push it into slide cover to the
the lamp socket. right.
6. Replace the back panel and mounting screws.
7. Rotate the heater assembly back to the normal
operating position.
8. Plug the power cord in and switch the examina-
Figure 5-4
tion lamp on. Check for proper operation.
Examination Lamp Cover Removal
5.2 Control Module Repairs
Hold lamp with one hand.
CAUTION: Take static precautions for these Pull lever with your other hand.
procedures. .
A. Control Module Removal Lever
(Figure 5-6)
1. Disconnect the Infant Warmer System power
cord.
2. Remove the two inside mounting screws from
the bottom of the display module.
3. Remove the two mounting screws for the control
unit cover and remove the cover.
4. Disconnect the two connectors (J17 and the ob-
servation light connector) from the heater hous-
ing. Squeeze the locking tabs on the rear of the
plug to disengage the lock mechanism.
5. Loosen the four mounting screws for the control
unit and carefully remove the control module.
Place the control unit on a flat surface so it rests Figure 5-5
on the transformers. Examination Lamp Replacement
5-4