Part No. 715-0088, Rev. B
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5.12.6.
General Disassembly
a)
Remove the protective boot. Start at top front corners and slip the boot
backwards. Then slip the bottom front corners of the boot backwards.
b)
Remove battery cover, disconnect battery cable, and remove battery.
c)
Remove five M5 screws holding enclosure together. Do not lose sealing
washers.
d)
Carefully flip open enclosure as if hinged from the bottom edge.
5.12.7.
Power PCBA
a)
Remove nut and rubber plug on power input connection using a 3/8 thin
walled socket.
b)
Perform general disassembly.
c)
Unplug sample pump and main board to board cable.
d)
Remove tube from pressure sensor, breaking glue joint. Note that it must
be reconnected to the same barb upon reassembly (barb closest to wall).
e)
Snip zip tie retaining ferrite on battery cable.
f)
Remove ferrite for reuse.
g)
Unscrew four M3 screws (2.5 mm hex). Note that the screw in the center
of the heat sink is not removed.
h)
Remove board.
i)
Ensure that the rubber gasket for the LED does not come off. If it does,
reapply it before reassembly.
j)
Use a small zip tie (not provided) to secure tube to barb on pressure
sensor.
k)
Replace board and re-assemble in reverse order.
5.12.8.
Control PCBA
a)
Perform General disassembly.
b)
Unplug four cables.
c)
Unscrew four M3 screws (2.5 mm hex).
d)
Unplug ribbon cable.
e)
Unplug PCBA from LCD stacking connector.
f)
Reverse order to reassemble.
5.12.9.
AeroNOx 2.0 4.3 LCD
a)
Perform steps to remove Control PCBA.
b)
Unscrew four M3 screws (2.5 mm hex) holding LCD.
c)
Reverse order to re-assemble. Bias the display within the oversized
holes so it is horizontal.
5.12.10.
Sample Assembly
a)
Perform General disassembly.
b)
Unplug sample pump from power PCBA.
Summary of Contents for AeroNO 2.0
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Page 78: ...Par rt No 715 008 88 Rev B 5 12 3 Re 5 12 4 Fr ear Interna ront Intern al Layout al Layout 75 ...
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Page 97: ...Par rt No 715 008 7 4 88 Rev B NO2 Senso or Specifica ations 94 ...
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