EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITHOUT EFIS ú
22-11-00
ú ú 07 Page 555 ú Jul 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
(q)
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.
(r)
Remove the pressure from the hydraulic system A (Ref 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 (on the CDU first screen) 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.
(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 below or on the CDU display.
(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.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITHOUT EFIS ú
22-11-00
ú ú 07 Page 556 ú Jul 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
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) NOTE: If the CDU displayed value is "*.**" the
____ test passed.
(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 1.22 inches.)
(aj) Push the LSK adjacent to <YES on the CDU second screen of the test 51.26.
(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
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITHOUT EFIS ú
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