ThermaChoice UBT System Service Manual
4 - 2
P/N 01035 Rev. C
Assembly, ISO Board 00983
Warning:
Disconnect the AC power from the device before servicing. Failure to observe this
precaution could result in death or injury.
Required Tools: Oval security screwdriver (TR Fastenings, Montgomery Village, MD,
Phone 301-947-1001, Part Description: MonoDrive One), 3/32" Allen wrench, needle
nose pliers, #1 Phillips screwdriver, 9/64” Allen wrench
Caution:
The interior of the instrument is ESD sensitive. Use appropriate ESD precautionary
procedures.
Removal:
1. Using the Oval security screwdriver, remove the four fasteners securing the upper
half of the case and remove the upper half of the case.
2. Using a 3/32" Allen wrench, remove the two 4-40 socket head cap screws from the
ISO box.
3. Remove the ISO box cover.
4. Remove the connection from AUX Board at JP3.
5. Remove ISO Board from box base.
6. Using the #1 Phillips screwdriver, remove 2 Phillips screwdriver head screws from
the P2 Cable connector.
7. Place the controller unit on its right side.