TB 9-6685-319-35
alcohol, or freon TF solution. Allow solution to remain in the gage for 5 minutes. Drain
gage and dry for at least 10 minutes.
c. If required, zero-adjust dial indicator of TI by removing retaining ring and
coverglass and adjusting the calibration screw.
14. 0 to 235 Psi Pneumatic Gages (0.1 to 1.0 Percent Accuracy)
a. Performance Check
(1) Connect equipment as shown in figure 3, connection A.
Figure 3. 0 to 1000 psi pneumatic gages (0.1 to 1.0 percent accuracy) - equipment setup.
NOTE
The maximum input to the 0 to 20 psia port should not exceed
6 psi. The maximum input to 0 to 250 psia port should not
exceed 235 psi.
WARNING
To prevent injury to personnel and/or damage to equipment,
make certain that all components are within range of unit to be
calibrated and all connections are securely sealed prior to
applying pressure to TI. Never attempt to tighten connection
with pressure applied. Ensure that TI is clean and free of oil or
grease.
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