Table 3. Accessories Required
Item
Common Name
Description and Part Number
B1
CONNECTOR *
Fabricate in accordance with figure 1.
B2
TUBING
Plastic, 1/4-inch (R3603F). Length as required.
B3
TEE
Connector, elastic tubing, branded, 3/s-inch ID, Y4-inch to /s-inch OD (7909927).
B4
NITROGEN CYLINDER
Nitrogen, technical w/cyl, oil free (7910373).
B5
REGULATOR
Regulator, water pumped nitrogen (MIS10325TYPE2)
B6
VALVE
Needle valve, '/s-inch NPT female, inlet and outlet; ROSKA 2001.
* Also used to calibrate the following equipment:
Tester, Air Leakage (Dry Bubble), Q204 (TB 3-6665-313-50)
Tester, Leakage, Valve Assembly, Q210 (TB 3-6665-314-50)
SECTION III
CALIBRATION PROCESS
NOTE
Unless otherwise specified, verify the results
7.
Equipment Setup. (fig. 2).
a.
Adjust the
of each test and take corrective action
mechanical zero-adjustment on TI resistance gage to
whenever the test requirement is not met
zero.
before continuing with the calibration.
b. Set the POWER switch to OFF.
6. Preliminary Instructions. a. The instructions
c. Set INHALE-EXHALE switch to center off
outlined in this section are preparatory to the calibration
position.
process. Personnel should become familiar with the
d. Set SEAL switch to OFF.
entire bulletin before beginning the calibration.
e. Turn AIRFLOW VALVE fully counterclockwise.
b. Items of equipment used in this procedure are
f.
Connect power cable connector to 115-volt, 60
referenced within the text by common name and item
Hz receptacle.
g. Set POWER switch to ON. Pump should
identification of equipment referenced by item numbers
operate.
h. Allow TI to operate for at least 10 minutes.
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