Avery Weigh-Tronix PC-805, Service Manual

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19
Disassembly Instructions
If it is necessary to service the PC-805, follow this checklist for disassembly
and re-assembly.
✍
❒
1. Disconnect the scale from the power source and remove the scale
shroud.
SEE WARNING TO THE LEFT.
❒
2. Remove the two socket-head screws securing the top plate to the
weight sensor. Lift off the top plate. Do not lose the weight sensor
spacer located between the top plate and the weight sensor.
Figure 5
Spacer locations
❒
3. Disconnect the display cable from the scale base.
❒
4. Remove the four screws holding the electronics cover plate to the
base and lift off the cover.
❒
5. Remove the weight sensor interface cable from the pins on the
power supply board.
❒
6. Remove the screws holding the PC board to the base and lift out the
PC board.
WARNING! Be sure to counter
the torque force applied when
loosening or tightening screws
connected to the weight
sensor, or weight sensor
damage may result. Also do
not use a "T" handle allen
wrench and always lay the
palm of your hand on the
aluminum top plate when your
break loose the top screws.
To access the electronics:
To remove the power
supply/IO board: