inches.)
SURF AUTH (DEG) Limits: 3.00 (Min)
(Keep a record of the sum of the absolute
values of the manual measurements taken in test
51.23 and 51.25. The minimum total absolute value must be 1.78 inches.)
NOTE: If the CDU displayed value is "*.**" the
____
test passed.
(j)
Push the LSK adjacent to <YES from the second screen of the test 51.26.
(k)
Push the LSK adjacent to <CONTINUE on the tests 51.20 and 51.21 (on the CDU first screen) and keep the same pitot pressure and stabilizer B dimension.
(l)
Pressurize the hydraulic system A and B (AMM 29-15-00/201).
(m)
Engage the autopilot channel A.
(n)
Make sure that the values for the A side are in the limits as shown above or on the CDU display.
(o)
Do the tests 51.22 thru 51.26 for the A side.
(p)
Push the LSK adjacent to <YES on the CDU second screen of the test 51.26.
(q)
Push the LSK adjacent to <CONTINUE on the test 51.20 and 51.21 and keep the same pitot pressure and stabilizer B dimension.
(r)
Remove the pressure from the hydraulic system A (AMM 29-15-00/201).
(s)
Engage the autopilot channel B.
(t)
Make sure that the values for the B side are in the limits as shown above or on the CDU display.
(u)
Do the tests 51.22 thru 51.26 for the B side.
(v)
Push the LSK adjacent to <YES on the CDU second screen of the test 51.26.
(w)
Push the LSK adjacent to <CONTINUE on the tests 51.20 and 51.21 and keep the same pitot pressure and stabilizer B dimension.
(x)
Pressurize the hydraulic system A and B (AMM 29-15-00/201).
(y)
Engage the autopilot channel B to CMD mode.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH EFIS ú
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
(z) Make sure that the values for the B side are in the limits as
shown above or on the CDU display. (aa) Do the tests 51.22 thru 51.26 for the B side. (ab) Push the LSK adjacent to <YES on the CDU second screen of the
test 51.26. (ac) Set Up the Feel System Condition I as follows:
Test 51.20 Reduce the pitot pressure to 0 PSIG, then set pitot pressure to 3.82 |0.05 PSIG = 386 |2 knots at sea level.
(ad) Use the CDU keyboard to put the code 100 into the scratchpad.
(ae) Push the LSK 6R.
(af) Push the LSK adjacent to <CONTINUE.
(ag) Make sure that the values for the A side are in the limits
shown on the CDU or in this section.
(ah) Use the trammel bar or steel measurement tape to measure the stabilizer B dimension. Make sure that the stabilizer B dimension is set to 41.57 |0.01 inches. Test 51.21 STAB POS (DEG) Limits: -0.21 to +0.21
(ai) Engage the autopilot channel A. Test 51.22 ELEV POS (DEG) Limits: 1.60 to 2.40
Test 51.23 SURF AUTH (DEG) Limits: -1.70 to 0.00
(Manual measurement is not greater than 1.01 inches.)
Test 51.24 ELEV POS (DEG) Limits: 1.60 to 2.40
Test 51.25 SURF AUTH (DEG) Limits: 0.00 to 1.70
(Manual measurement is not greater than 1.01 inches.)
Test 51.26 SURF AUTH (DEG) Limits: 2.05 (Min)
(Keep a record of the absolute values of the manual measurements taken in test 51.23 and
51.25. The minimum total absolute value must be 1.22 inches.)
NOTE: If the CDU displayed value is "*.**" the
____ test passed.
(aj) Push the LSK adjacent to <YES on the CDU second screen of the test 51.26.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
(ak) Set Up the Feel System Condition III as follows:
Test 51.20 Reduce the pitot pressure to 0 PSIG, then set the pitot pressure to 1.30 |0.05 PSIG = 231.5 |4.5 knots at sea level.
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