Chattanooga Group TRITON 2841, Service Manual

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Triton® Traction Unit
7 CALIBRATION
A. General Information
1. The Calibration and Burn-In Procedures in
this section must be performed annually
and when field service requires removal and
replacement of certain components.
2. The Calibration Procedure requires use of
US lb Weight Measurements. The software
is fixed and will not perform conversions of
Metric Weight Measurements for this critical
procedure. Therefore, when constructing
and equipping the Calibration Fixture, it is
required that the Electronic Load Cell
Components be capable of expressing
US lbs.
3. The fabrication of a Calibration Fixture is
required for these units.
B. Equipment Required
Calibration Fixture with calibrated Strain Meter
C. Unit Calibration Procedure
1. Place unit on Calibration Fixture and secure
in position by tightening the unit Lock
Knob. See Figure 7.1.
2. Connect unit to an approved power source.
3. Turn unit On.
4. Release Traction Cord and connect
Accessory Clip to the Strain Meter. Leave
slack in Cord. See Figure 7.2.
5. Zero Strain Meter LCD.
7.1 UNIT CALIBRATION
FIGURE 7.1
FIGURE 7.2
Certain removal and replacement procedures require that complete Unit Calibration and Burn In be performed
prior to placing the unit back into service.
Failure to perform either of these procedures after certain component or assembly replacement will void
warranty and may result in injury to patients and severe equipment damage.
When performing Unit Calibration Procedure, the
Calibration Fixture Load Cell must be set to US lbs.
ACCESSORY CLIP TO
LOAD CELL
STRAIN METER
SLACK IN
CORD