8 Disassembly/Reassembly
8-24 FLO-GARD 6201 VOLUMETRIC INFUSION PUMP SERVICE MANUAL 07-19-B1-688
6. Replace and tighten the fuse caps with a screwdriver. Over tightening the
fuse caps may cause the fuse holders to break.
7. Replace the power cord cover.
8. Perform the Electrical Safety Test to verify proper grounding impedance.
See “Electrical Safety Tests” on page 10-11.
Replacement of Power Supply Board
1. Turn off and unplug the pump.
2. Separate front and rear housings completely in accordance with
“Separation of Front and Rear Housings” on page 8-5.
3. Separate the boards in accordance with “Separation of Printed Circuit
Boards” on page 8-7.
4. Unplug CN301 from the sensor board (Figure 11-2 , item 3).
5. Stand the boards upright and remove the screws (Figure 11-2 , item 17)
securing the lower corners of the power supply board.
6. Squeeze the board spacer (Figure 11-2 , item 10) tops with needle nose
pliers to release the power supply board from the spacers.
7. Install the power supply board. Tightening torque for the two screws
(item 17) securing the board is 7 kgf-cm (6.1 in-lb).
8. Reassemble in reverse order. Be sure to remove any dirt or dust on the
LCD windows before tightening the sensor board to the front housing.
Be sure to reconnect all the removed connectors (refer to “Routing of
Internal Wiring” on page 8-33).
9. Perform the Operational Checkout procedures in Chapter 10,
“Operational Checkout”.
Replacement of CPU Board
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. Remove the power supply board in accordance with “Replacement of
Power Supply Board” on page 8-24.
4. Stand the boards upright and remove the three screws (Figure 11-2 , item
17) securing the lower edges of the CPU board to the PCB spacer.
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