TB 9-5210-201-50
b. Remove adjustable tension attachment.
c. Check unit under test for zero setting. If necessary, adjust screws on top of unit
under test. Depress lever (fig. 1) of unit under test through its full range. Check for
binding or interference. Check that lever returns to zero when released.
NOTE
The following paragraph is divided into subparagraph a,
performance check, and subparagraph b, adjustment. When
the performance check is not within tolerance and no
adjustment is specified, the deficiency must be corrected before
continuing with the procedure.
7. Accuracy
a. Performance Check
(1) Suspend a gram weight or combination of gram weights from the extreme tip of
hand and left hand as required.
Figure 2. Spring tension gages 5210-865-4645 - equipment setup
(2) Reading on scale of unit under test should coincide with weights suspended in
(1) above within 1/2 graduation of unit under test.
(3) Make a check at all cardinal points (numbered division) of unit under test.
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