TB 9-6635-208-50
7. Preliminary Instructions
a. The instructions outlined in this section are preparatory to the calibration process.
Personnel should become fa miliar with the entire bulletin before beginning the calibration.
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
table 3.
c. Select appropriate low torque measuring pulley (B1 or B2) and appropriate weight
from weight set (A1 or A2) to yield a cardinal point indication on TI.
d. Connect low torque measuring pulley and weight to TI as shown in figure 1.
TORQUE WATCH
TEST INSTRUMENT
Figure 1. Bidirection and range checks - equipment setup.
8. Bidirection
a. Performance Check
(1) Hold the TI as near horizontal as possible with the face of the dial at eye level.
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