TB 3-6665-313-50
Figure 2. Location of TI controls and instruments used during calibration.
8.
Gage. a. Performance check.
CAUTION
(1) Connect the test equipment as shown in
Since a sudden change in pressure could
damage the TI, do not disconnect the
(2) Set fill cup valve handle to open.
equipment before returning the TI to
(3) Slowly turn BLEED VALVE clockwise
atmospheric pressure.
until the gage pointer indicates at 1 inch of water on the
(5) After
the
performance
check
is
scale. The manometer (Al) must indicate as shown in
completed, slowly open the BLEED VALVE to return the
TI to atmospheric pressure.
(4) Repeat (3) above for each major division
(6) Remove connector (B2) from the fill port,
(cardinal point) on the gage scale.
close the fill cup valve, and remove the stopper (B3)
from the canteen cup adapter.
4
