LEYBOLD THERMOVAC TTR 101 N, Operating Manual, Page: 36 / 42

36 300544655_002_C1 - 11/2016 - © Leybold
Maintenance
Transmitter failures due to contamination are not covered by the warranty.
9.1
Transmitter maintenance: installation of replacement parts
Transmitters with replacement sensors (P/N: 230350V02, 230351V02, 230352V02, 230353V02, 230354V02,
230356V02, 230366V02) can be opened by using the following guide:
For P/N: 230350V02, 230351V02, 230352V02, 230353V02:
Disassembling the transmitter
- Press the two pins (as seen below) on the side of the transmitter simultaneously
- Carefully slide off the shell without rotating

The communication circuit board is attached to the top of the shell. By removing the shell,
the communication circuit board is separated from the sensor circuit board connected to the
flange.
Assembling the transmitter
- Align the alignment gaps on the top and bottom circuit board (as seen below) to ensure correct
electrical connection.
- Slide the shell carefully over the bottom part of the transmitter while pressing the two pins (as seen
below) on the side of the flange to allow the shell to snap back into place.
Caution: static discharge
Before disassembling the transmitter take precautions to avoid static discharge which can damage
the electronics. Use grounded wrist band if available.
Attention
!
!
Allignment gaps
Pins for (dis)assembly