Replace Display Circuit Board - Weinmann Emergency MODUL CapnoVol Servicing And Repair Instructions

7.8.5 Refit device
1. Screw threaded connection
inlet of oxygen duct
oxygen duct using an Allen key.
2. Tighten the four screws
3. Refit both circuit boards and the battery (see
"7.6 Replace main circuit board and/or
CAP 100 circuit board" on page 25).
4. Close the device (see "7.3 Close the device"
on page 23).
5. Test the device (see "4. Test the device" on
page 8).

7.9 Replace display circuit board

Materials and tools required
• ESD workstation
• Slot screwdriver, insulated, size 1
• Phillips screwdriver, size 2
• Ring spanner 14 mm
• Open-ended spanner 15 mm
• Tubular hexagon box wrench 5.5 mm
1. Open the device (see "7.2 Open the device"
on page 22).
2. Unscrew the four spacer bolts
3. Take the top part of insulating cover
display circuit board
4. Take display circuit board
housing .
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5. Put new display circuit board
housing . When putting it in, ensure that the
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washers on the screws remain pushed on.
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6. Place top part of insulating cover
circuit board .
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7. Wet the first two turns of the threads on the four
spacer bolts with Loctite WM 14920.
8. Screw on the four spacer bolts
9. Close the device (see "7.3 Close the device"
on page 23).
10. Test the device (see "4. Test the device" on
page 8).
of the lateral
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to the inlet block of the
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.
50
.
36
off
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.
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off top part of
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in top part of
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on display
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.
36
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Repair information and repair instructions
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37
23
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