TB 9-6625-003-35
Figure 4. Model 415A-bottom view.
b. Adjustments.
Adjust R44 (fig. 4) until dc
voltmeter indicates 240 V dc
(R).
13. Final Procedure
a. Deenergize and disconnect all equipment and replace protective cover on TI.
b. When all parameters are within tolerance, annotate and affix DA Label 80 (US
Army Calibrated Instrument). When the TI receives limited or special calibration,
annotate and affix DA Label 163 (US Army Limited or Special Calibration). When the TI
cannot be adjusted within tolerance repair the TI in accordance with the maintenance
manual. When repair is delayed for any reason or the TI cannot be repaired -with local
resources annotate and affix DA Form 2417 (US Army Calibration System Rejected
Instrument) and inform the owner/user accordingly in accordance with TB 750-25-1.
SECTION IV
GENERAL MICROWAVE MODEL 351 (IM-175/U, IM-175A/U, AND IM-175B/U)
14. Preliminary Instructions
a. The
instructions outlined in
paragraphs 14 and
15 are preparatory to the
calibration
process. Personnel should become familiar with sections I, II, and IV 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
11