TB 9-4920-367-24
paragraph 4 above and are used in this calibration procedure. When necessary, these items
may be substituted by equivalent items, unless specifically prohibited.
Table 2. Minimum Specifications of Equipment Required
Manufacturer and model
Common name
Minimum use specifications
(part number)
PNEUMATIC PRESSURE
Vacuum:
Druck, Model DPI 515
STANDARD
Range: 0 to 30 inHg abs
Accuracy: 0.0625 inHg abs
Pressure:
Range: 0 to 20 psia
Accuracy: 0.0625 psia
Table 3. Accessories Required
Common name
Description (part number)
HOSE
3-ft, 3000 psi operating pressure; female
7/16-20 NF ends for 37 degree angle fittings
(p/o 7913310)
HOSE
5-ft, 5000 psi operating pressure
(p/o 7913310)
MANIFOLD BRACKET
13643327
NITROGEN TANK
Compressed cylinder (7916197)
REGULATOR
MIS-10325 Type II
RUBBER TUBING
1/4-in. ID, 1/8-in. wall rubber tubing
(7909926) (p/o 7913310)
RUBBER TUBING
7/16-in. ID rubber tubing (18204-6)
(p/o 7913310)
TEE
Stainless steel swivel nut (8491696)
(p/o 7913310)
TUBING CONNECTOR
1/2-in. ID hose to 1/4-in. ID hose
(p/o 7913310)
VACUUM PUMP, RECIPROCATING
SH01001UNIV
CALIBRATION PROCESS
6. Preliminary Instructions
a. The instructions outlined in paragraphs 6 and 7 are preparatory to the calibration
process. Personnel should become familiar with the entire bulletin before beginning the
calibration.
b. Items of equipment used in this procedure are referenced within the text by common
name as listed in tables 2 and 3.
c. Unless otherwise specified, verify the result of each test and, whenever the test
requirement is not met, take corrective action before continuing with the calibration.
Adjustments required to calibrate the TI are included in this procedure. Additional
maintenance information is contained in the manufacturers' manuals for this TI.
