TB 9-4920-361-24
Xmsn Oil Press
a. Performance Check
(1) Connect equipment as shown in figure 3, connection B, for connector No. 2. Do
not disconnect equipment connected in figure 1.
(2) Set XMSN OIL PRESS CAL/NOR switch to CAL and HI/LO switch to LO.
(3) Set calibrator for a 6 V, 400 Hz output.
(4) Set ON-OFF-SIM ONLY switch to SIM ONLY. If multimeter does not indicate
between 3.447 and 3.735 V ac, perform b (1) through (4) below.
(5) Set XMSN OIL PRESS HI/LO switch to HI. Multimeter will indicate between
2.696 and 2.984 V ac.
(6) Set XMSN OIL PRESS CAL/NOR switch to NOR and adjust XMSN OIL
PRESS variable control from fully
ccw to fully
cw. If
multimeter does not
indicate from
more than 3.447 to less than 2.770 V ac, perform b (1) through (3) and (5) through (7)
below.
(7) Set ON-OFF-SIM ONLY switch to OFF.
b. Adjustments
(1) Set autotransformer and dc power supply to OFF, and calibrator to STBY.
(2) Remove pressure board A2 (fig. 4) and reinstall, using extender board.
(3) Set autotransformer, dc power supply, and calibrator power to ON.
(4) Adjust R39 (fig. 4) for a 3.591-V ac indication on multimeter (R).
(5) Turn XMSN OIL PRESS variable control fully ccw.
(6) Adjust R35 (fig. 4) for a 3.591 V ac indication on multimeter (R).
(7) Repeat a (2) through (6) above and adjust for best in-tolerance condition.
19. Inter Cal (Unit
Tester)
NOTE
Do not perform paragraphs 19 through 22 when calibrating
a. Performance Check
(1) Disconnect calibrator and multimeter from equipment setup.
(2) Connect simulator INTERCONNECT jack to unit tester J5 INTERCONNECT
jack, using cable (219-419742-000, supplied with TI).
NOTE
Using cable supplied with TI and connecting it to appropriate
jack being tested, while performing paragraphs 19 through 22
(tables 4, 5, and 6) and using opposite end of cable to complete
test, may prevent possible damage to connectors on TI.