07-19-B1-729 FLO-GARD 6301 DUAL CHANNEL VOLUMETRIC INFUSION PUMP SERVICE MANUAL 8-29
Removal/Replacement Procedures Disassembly/Reassembly
6. Perform the Operational Checkout procedures in Chapter 10,
“Operational Checkout”.
Replacement of PANEL LOCK Switch
1. Separate front and rear housings in accordance with “Separation of Front
and Rear Housings” on page 8-5.
2. Pull out black pushbutton (Figure 11-4 , item 5) on rear of pump while
holding the rear housing.
3. Desolder pink and brown wires from switch.
4. Remove hex nut and lockwasher securing the switch and remove it.
5. Reassemble in reverse order.
6. Perform the Operational Checkout procedures in Chapter 10,
“Operational Checkout”.
Replacement of Lithium Backup Battery
The lithium backup battery provides backup voltage to the pump’s memory
when the main battery is disconnected. To avoid loss of configuration option
settings, record the settings and ensure that the main battery is connected
before beginning this procedure.
1. Separate front and rear housings in accordance with “Separation of Front
and Rear Housings” on page 8-5.
2. Separate boards in accordance with “Separation of Printed Circuit
Boards” on page 8-7.
3. Separate display board in accordance with “Replacement of CPU Board”
on page 8-26.
4. Cut the tie wrap holding the lithium battery on the display board
(Figure 11-2 , item 2).
5. Disconnect connector CN304 and remove the lithium battery.
Ensure that wires are not pinched or overstressed.
Be sure to secure the two ground wires by the screw (Figure 11-3 , item 20) on the
right side of the power transformer (Figure 11-3 , item 18) to the mounting bracket
(Figure 11-3 , item 8). Align the power transformer so that the 2-pin connector is
on top.
Maintain an appropriate soldering pencil tip temperature to avoid damaging
insulation.
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