GE Giraffe OmniBed Carestation CS1, Руководство по обслуживанию

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Chapter 7: Repair Procedures
Lower Device Repairs
Service Manual 7-51
7.9.6 Bed Raise/Lower Pedal Switch
1. Run the bed up to the elevating base’s top travel limit. Power down the device and unplug it.
2. Use a 2.5 mm hex wrench to remove four M4 flat washers, four M4 split lock washers, and four M4x10
button head socket cap screws, that attach the back cover shroud to the lower shroud.
3. Use a 4 mm hex wrench to remove two M6 flat washers, two M6 split lock washers, and two M6x12
button head screws, that attach the back cover shroud to the base plate.
4. Use a 4 mm hex wrench to remove two M6 flat washers, two M6 split lock washers, and two M6x12
button head screws, that attach the lower shroud to the base plate.
5. Make note of the switches’ electrical wire routing; the cable from the replacement switch must feed up
through the same slot.
6. Using a 4 mm hex key, remove the button head socket screws on either side of the bed raise/lower
pedal switch, located between the elevating base plate and the leg wire cover.
7. Disconnect the switch electrical connector and pull the switch out. Discard old bed raise/lower pedal
switch.
8. Install new bed raise/lower pedal switch. Make sure that you do not pinch the electrical wires.
7.9.7 Canopy Foot Pedal Switch
1. Using a 4 mm hex key and a 8 mm hex key, remove the screws that secures the canopy foot pedal.
2. Disconnect the switch electrical connector and pull the pedal out . Discard old canopy foot pedal
switch.
3. Install new canopy foot pedal switch. Replace the 12 mm screw first, then the 6 mm screw. Make sure
that you do not pinch the electrical wires.
7.9.8 Canopy Membrane Switch Replacement
Refer to “Figure 7-47 Heat Sink and Fan” .
1. Adjust the elevating base to comfortable working height.
2. Remove the electronics enclosure cover.
3. Remove the two screws holding the probe panel housing to the electronics enclosure.
4. Rock the probe panel housing forward and up, allowing access to the gray membrane switch wiring
harness.
5. Gently pull the gray wire harness up, this will pull up the membrane switch/harness connection,
allowing you access to the connector.
6. Disconnect the membrane switch. If you intend to replace the plastic adhesive connector locking
pieces, you can discard the old ones. Otherwise, save the plastic adhesive connector locking pieces to
reinstall with the new membrane switch.
7. Remove the old membrane switch, pulling the connector through the slot in the chassis. (The blue
connector may pull off the old/damaged membrane switch, but it will drop through to the floor.)
8. Clean the old switch adhesive from the chassis.
9. Feed the new membrane switch connector through the slot. Do not attach/stick the new membrane
switch to the chassis yet.
10. Use a piece of heavy wire to fish the blue connector of the new membrane switch up from behind the
switch panel so that you can connect it to the black connector of the gray membrane switch wiring
harness.