TB 9-6670-251-35
SECTION III
6. Preliminary Instructions
a. The
instructions outlined in
paragraphs 6 and
7 are preparatory to the
calibration
process. Personnel should become familiar with the entire bulletin before beginning the
b. Items of equipment used in this procedure are referenced within the text by common
name and item identification number as listed in tables 2 and 3. For the identification of
equipment referenced by item numbers prefixed with A, see table 2, and for prefix B, see
NOTE
Unless otherwise specified, verify the result of each test and,
whenever the test requirement is not met, take corrective
action before continuing with the calibration. Adjustments
required to calibrate the TI are included in this procedure.
Additional maintenance information is contained in the
manufacturer's manual for this TI.
NOTE
Unless otherwise specified, all controls and control settings
refer to the TI.
7. Equipment Setup
a. 0 to 150 Pound Check
NOTE
This adjustment compensates for varying load of rod when
using the TI in different positions.
(1) Adjust tare zero adjustment screw (fig. 1) for a zero indication on TI.
(2) Remove pin from torque calibrator (B1) for weights up to 20 pounds, or (B2) for
weights between 20 and 150 pounds) and separate weight carrier assembly from the torque
calibrator. Only the weight carrier will be required.
(3) Note weight of carrier.
(4) Obtain a 6-inch length of line or wire capable of supporting total weight to be
used in calibrating TI.
5