IFR NAVAIR NAV-750

NAVAIR 17—2OAX—737
CALIBRATION CHECKLIST
TEST INST ~ IFR Inc. NAV—750, NAV—750A, and NAV—750B VOR/LOC/COMMand G/S Bench Test Sets
PROC. NO. NA 17-2OAX-737 MFG. MODEL SER. NO.
PROCEDURE
STEP
NO.
(1)
FUNCTION TESTED
(2)
NOMINAL
(3)
MEASURED VALUES OUT
CALIBRATION TOLERANCES
(7)
FIRST RUN
(4)
SECOND RUN
(5)
OF
TOL
~
4.7.30 30% AM — 1020 Hz 30.0%
— 28.8% to 31.2%
4.7.34 95% AM — 400 Hz 95.0%
92.15% to 97.85%
4.7.35 0—100 Meter Scale —— ck () — ±3.0% (AM) of step 4.7.34
4.7.37 95% AM — 1300 Hz
95.0%
— 92.15% to 97.85%
4.7.40 95% AM — 3000 Hz 95.0% 92.15% to 97.85%
4.8 RF Level Meter Tests
(MHz)
(needle widths)
4.8.2 108.000 —— ck ()
within ±1.5
4.8.4 110.000
——
ck ()
—
— “
“
130.000
—— ck()
“
“ 150.000
——
ck ()
—
— “
“
170.000
—— ck () — “
“ 190 000
——
ck () “
“
210.000
—— ck()
— “
“
230.000
—— ck ()
— “
“ 250.000 —— ck ()
“
“
270.000
——
ck ()
—
— “
“
290.000
——
ck () “
“
310.000
—— ck()
—
“
“ 330.000
——
ck ()
—
“
“ 335.000 —— ck()
—
— “
4.8.7* 72.000 —— ck ()
— “
4.8.8* 74.000 —— ck ()
— “
4.8.8~ 76.000 —— ck ()
—
“ 78.000
——
ck ()
“
* Applicable only if TI is a NAV—750B.
Page 5 of 8
33