TB 9-6625-388-35
Table 4. Accessories Required
Item
Common name
Description and part number
B1
LEAD
18 in., spade lug heavy-duty terminations (red) (7911292-10)
1
B2
LEAD1
18 in., spade lug heavy-duty terminations (black) (7911292-9)
1Four
required.
SECTION III
CALIBRATION PROCESS FOR ZM-4/U, ZM-4A/U, ZM-4B/U, I-49, I-49/A, AND I-49B;
INDUSTRIAL INSTRUMENTS MODEL RN-1; LEEDS AND NORTHROP MODELS
5300,5305, AND 5430AM1; AND GRAY INSTRUMENTS MODELS E3108 AND E3207
(LEVEL A)
6. Preliminary Instructions
process. Personnel should become familiar with the applicable sections 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 3 and 4. For the identification of
equipment referenced by item numbers prefixed with A, see table 3, and for prefix B, see
WARNING
HIGH VOLTAGE is used during the performance of this
calibration. DEATH ON CONTACT my result if personnel fail
to observe safety precautions.
NOTE
Unless otherwise specified, verify the results of each test and
take corrective action whenever the test requirement is not
met before continuing with the calibration.
NOTE
Unless otherwise specified, all controls and control settings
refer to the TI.
NOTE
Model ZM-4B/U positions/connections are used for callouts.
For other model variations see table 1.
7. Equipment Setup
a. Remove cover of TI and rotate all decade switches at least three times throughout
entire range.
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