TM 55-1520-240-23-9
11-276.1 ADJUST SIDESLIP AIRSPEED OR BAROMETRIC ALTITUDE PRESSURE TRANSDUCER,
AFCS COMPUTER (AVIM) (Continued)
11-276.1
20.1. Set PRESSURE knob (16) to MANIFOLD
PRESSURE.
20.2. Check MANIFOLD PRESSURE indicator
(29.1). Indicator shall show 30 (sea level).
Adjust pressure if necessary. (Refer to TM
55-4920-378-14.)
21.
Set CIRCUIT SELECT TENS switch (8) to 60.
22.
Set CIRCUIT SELECT A UNITS switch (9) to 3.
23.
Set power switch (30) to ON.
24.
Turn screw (31) of barometric altitude transducer
potentiometer (32) until VOLTMETER (13)
indicates 0.
25.
Set power switch (30) to OFF.
26.
Turn INCREASE knob (19) and DECREASE
knob (20) fully clockwise.
CAUTION
Do not disconnect hose assemblies
from tester or change position of
vacuum or pressure selector knobs
before all instruments return to
their normal readings; otherwise,
instruments can be damaged.
27.
When ALT indicator (33) reads 0, disconnect
hose (27) from port S (28), port P (29), and fitting
(26).
28.
Install cap (25) on fitting (26).
29.
Remove power source from tester (17).
30.
Set NORM ACCEL J2-52 switch (6) to NORM.
Change 1
11-1069