Trainee Guide TR-L2-M2000
Level 2 Maintenance Training - M2000 Dispensing Systems 2-2-52 P/N 73-0018-00 (Revision B)
Exercise Sheet 2-7-3
Probe Height Adjustments for HS-Series
To make small adjustments to the probe height:
1. Install the needle you will be using
2. Loosen the micrometer locking screw (See Diagram Sheet 2-7-1 on page 2-2-49).
3. Turn the micrometer adjustment to raise or lower the probe.
 Use the ruler etched into the side of the micrometer to determine probe height.
4. When you are satisfied with the probe height, tighten the micrometer locking screw.
5. Perform either a Prompted Setup or a Valve Offsets routine before dispensing.
To make large adjustments to the probe height:
(should only be performed by a trained
service technician).
1. Raise the dispensing head so that neither the needle tip nor the probe tip is touching the
work surface.
2. Loosen the micrometer locking screw (See Diagram Sheet 2-7-1 on page 2-2-49).
3. Turn to adjust to the zero position on the micrometer.
4. Make sure the probe is in the gear down (GD) position.
5. Using a 1/16-inch hex key, loosen the probe set screw accessed through the hole on the
right side of the Height Sensor (See Diagram Sheet 2-7-1 on page 2-2-49).
6. Adjust the probe height by sliding the probe up or down.
 The recommended setting for the probe tip height is between 1.78 and 2.54 mm
below the needle tip. However, visually aligning the probe tip so that the bend in the
probe is flush with the needle tip may be adequate for your dispensing application.
7. Tighten the probe set screw and adjust the XY position of the probe.
8. When you are satisfied with the probe height, tighten the micrometer locking screw.
9. Run the Height Sensor Setup procedure.
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