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5
Routine and Preventive Maintenance
Maintaining the Probe Heater
Installing the Probe Heater
78
Surveyor MSQ Plus Hardware Manual
To install the probe heater
1. If you removed the O-ring from the underside of the probe heater base, reinstall it. See
Figure
61.
Figure 61. View of O-ring installed in the underside of the probe heater base
2. If you disconnected the grounding strap from the probe heater, reconnect it to the probe
heater. See
Figure 58
on
CAUTION Make sure that the grounding strap is connected to the probe heater before
you insert the probe heater into the probe mount.
3. Rotate the black knobs of the probe heater, so that they face away from each other. See
Figure 56
on
page
74.
4. Insert the tube portion of the probe heater into the probe mount.
5. Rotate the black knobs of the probe heater forward to their locking position. See
Figure 55
on
page
74.
6. Plug the green connector and the white connector into their respective receptacles located
above the probe mount. See
page
75.
Figure
55.
Heater tube
O-ring, BS018
18.77 mm ID × 1.78 mm THK
Thermo Scientific
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