22-11-00
 ú ú 07 Page 557 ú Jul 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 (al) Use the CDU keyboard to put the code 100 into the scratchpad.
 (am) Push the LSK 6R.
 (an) Push the LSK adjacent to <CONTINUE.
 (ao) Make sure that the values of the B side are in the limits shown

 below or on the CDU display.
 (ap) Use the trammel bar or steel measurement tape to measure the stabilizer B dimension. Make sure that the stabilizer B dimension is set to 37.28 |0.05 inches. Test 51.21 STAB POS (DEG) Limits: 2.7 to 3.3
 (aq) Engage the autopilot channel B. Test 51.22 ELEV POS (DEG) Limits: 1.12 to 1.68
 Test 51.23 SURF AUTH (DEG) Limits: -8.85 to 0.00
 (Manual measurement is not greater than 5.27 inches.)
 Test 51.24 ELEV POS (DEG) Limits: 1.12 to 1.68
 Test 51.25 SURF AUTH (DEG) Limits: 0.00 to 5.55
 (Manual measurement is not greater than 3.30 inches.)
 Test 51.26 SURF AUTH (DEG) Limits: 6.85 (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 4.08 inches.)
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITHOUT EFIS ú

 22-11-00
 ú ú 07 Page 558 ú Mar 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 (ar) Push the LSK adjacent to <NO and follow instruction on the CDU screen test 51.26. Test 51.41 STAB POS (VAC) Limits: -0.07 to 0.07
 NOTE: Measure the stabilizer B dimension with the trammel bar
____ or steel measurement tape and make sure it is within the limits shown on the FMC CDU. Test 51.42 +SURF DELTA (DEG) Limits: 13.0 to 16.0 Test 51.43 -SURF DELTA (DEG) Limits: 11.7 to 13.8 . Test 51.44 ELEV POS (DEG) Limits: -0.40 to 0.40 Test 51.45 ELEV LVDT (DEG) Limits: -2.20 to -1.80 Test 51.46 ELEV POS (VAC) Limits: -0.50 to -0.36 NOTE: The elevator T.E. must align with index in |0.06
____ inch. Test 51.47 +SURF DELTA (DEG) Limits: 0.00 to 0.75 Test 51.48 -SURF DELTA (DEG) Limits: -0.75 to 0.00 Test 51.49 +SURF DELTA (DEG) Limits: 0.00 to 0.75 Test 51.50 -SURF DELTA (DEG) Limits: -0.75 to 0.00 Test 51.51 ELEV LVDT (VAC) Limits: -4.30 to -3.70 NOTE: The elevator must be 1.20 |0.10 inches below the
____ index. Test 51.52 -SURF DELTA (DEG) Limits: -0.75 to 0.00 Test 51.53 +SURF DELTA (DEG) Limits: 1.28 to 2.20 Test 51.54 +SURF DELTA (DEG) Limits: 1.28 to 2.20 Test 51.55 -SURF DELTA (DEG) Limits: -0.75 to 0.00
 S 215-191
 (9)  Do the pitch dual authority checks:
 (a)  
Push the LSK adjacent to <CONTINUE on the third screen of the test 51.26.

 (b)  
Make sure that the values for the A and B sides are in the limits shown below or on the CDU display.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITHOUT EFIS ú

 22-11-00
 ú ú 12 Page 559 ú Mar 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 Test 51.41 STAB POS (VAC) Limits: -0.07 to 0.07
 NOTE: Measure the stabilizer B dimension with the trammel bar

____ or steel measurement tape and make sure it is within the limits shown on the FMC CDU. Test 51.42 +SURF DELTA (DEG) Limits: 12.6 to 15.5 Test 51.43 -SURF DELTA (DEG) Limits: 11.7 to 13.5 Test 51.44 ELEV POS (DEG) Limits: -0.40 to 0.40 Test 51.45 ELEV LVDT (DEG) Limits: -2.10 to -1.80
 Test 51.46 ELEV POS (VAC) Limits: -0.54 to -0.42 The elevator T.E. must align with the index in |0.06 inch.
 Test 51.47 +SURF DELTA (DEG) Limits: 0.00 to 1.00
 Test 51.48 -SURF DELTA (DEG) Limits: -1.00 to 0.00
 Test 51.49 +SURF DELTA (DEG) Limits: 0.00 to 1.00
 Test 51.50 -SURF DELTA (DEG) Limits: -1.00 to 0.00
 Test 51.51 ELEV POS (DEG) Limits: 1.80 to 2.20
 The elevator must be 1.20 |0.10 inches below the

 index.

 Test 51.52  -SURF DELTA (DEG)  Limits:  -1.00 to 0.00
 Test 51.53  ELEV POS (DEG)  Limits:  -1.00 to 0.50
　
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