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F. Prepare for the Test SUBTASK 27-31-00-860-083 WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF ALL CONTROL SURFACES BEFORE YOU SUPPLY HYDRAULIC POWER. AILERONS, RUDDERS, ELEVATORS, FLAPS, SPOILERS, SLATS, AND THRUST REVERSERS CAN MOVE QUICKLY WHEN YOU SUPPLY HYDRAULIC POWER. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT. (1) Pressurize elevator hydraulic systems A and B. To pressurize them, do this task: Elevator Hydraulic System A and B - Pressurization, TASK 27-31-00-800-801. SUBTASK 27-31-00-860-084 (2) Do this task: Null Procedure - Mach Trim Actuator, TASK 27-31-00-700-801. SUBTASK 27-31-00-010-017 (3) Open this access panel: Number Name/Location 311BL Stabilizer Trim Access Door SUBTASK 27-31-00-860-085 (4) Use the bar, SPL-1677 to set the "B" dimension at 21.32 +/- 0.10 inches (541.5 +/- 2.5 mm) (Figure 502). G. Neutral Shift Test SUBTASK 27-31-00-730-010 (1) Do the neutral shift test: (a) Make sure the right elevator trailing edge moves up 13.90 - 14.90 inches (353.1 - 378.5 mm) from the index mark (Figure 523). (b) Use the bar, SPL-1677 to set the "B" dimension at 45.84 +/- 0.10 inches (1164.3 +/- 2.5 mm). (c) Move the captain’s control column aft and forward lightly to make sure it is in the neutral position. (d) Make sure the right elevator trailing edge moves down 3.20 - 3.80 inches (81.3 - 96.5 mm) from the index mark. SUBTASK 27-31-00-700-006 (2) Do the following steps to check the elevator system: NOTE: You use the Flight Management Computer Control Display Unit (FMC CDU) to do the following Built-In-Test Equipment (BITE) test. (a) If you need to supply electrical power, do this task: Supply Electrical Power, TASK 24-22-00-860-811 (b) Push the INIT REF key on the CDU keyboard. 1) Push the Line Select Key (LSK) that is adjacent to each selection: a) INDEX b) MAINT c) DFCS d) EXTENDED MAINTENANCE e) RIGGING 737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL EFFECTIVITY GUN ALL 27-31-00 Page 585 Feb 10/2007 D633A101-GUN BOEING PROPRIETARY - Copyright#Unpublished Work - See title page for details f) ELEVATOR NOTE: After you make this selection, the CONTINUE will show. Do the instructions that show on the CDU display before you push the LSK that is adjacent to CONTINUE. g) COMPLETE ELEV RIG NOTE: This selection contains the ELEV RIG test. h) During this test, do the instructions that show on the CDU display. i) After you do the instructions that show on the CDU display, push the LSK that is adjacent to CONTINUE. 2) Do the Elevator Rigging Check: a) Make sure that the values for the A and B sides are between the limits that show on the CDU display or in this task. Table 504/27-31-00-993-820 Test Limits: 51.01 STAB POS (VAC) -0.07 to 0.07 b) Use the trammel bar, SPL-1677 to measure the B dimension. c) Make sure that the B dimension is 39.89 (±0.01) inches. Table 505/27-31-00-993-821 Test Limits 51.02 MT ACT POS (VAC) -8.70 to -6.35 Note: No value for B side; N/A 51.03 MT ACT POS (VAC) -0.20 TO 0.20 Note: No value for B side; N/A 51.04 ELEV POS (vac) -0.55 RO -0.45 d) Make sure that the elevator trailing edge aligns with the elevator index on the tail cone at 0 (±0.06) inch. Table 506/27-31-00-993-822 Test Limits 51.05 NSS POS (VAC) -1.77 to -1.67 51.06 ELEV LVDT (VAC) -2.05 to -1.95 51.07 ELEV POS (VAC) -0.55 TO -0.45 e) Make sure that the elevator trailing edge aligns with the elevator index on the tail cone at 0 (±0.06) inch. Table 507/27-31-00-993-823 Test Limits 51.08 ELEV POS (VAC) -0.55 to -0.45 51.09 ELEV POS (VAC) -0.55 to -0.45 737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL EFFECTIVITY GUN ALL 27-31-00 Page 586 Feb 10/2007 D633A101-GUN BOEING PROPRIETARY - Copyright#Unpublished Work - See title page for details (Continued) 51.10 ELEV POS (VAC) -0.55 to -0.45 51.11 ELEV POS (VAC) -0.55 to -0.45 f) Set the B dimension to 29.00 (±0.01) inches. g) Use the trammel bar, SPL-1677 to measure the B dimension. h) Make sure that the B dimension is at 29.00 (±0.01) inches. Table 508/27-31-00-993-824 Test Limits 51.12 STAB POS (VAC) 4.47 to 5.29 51.13 ELEV LVDT (VAC) -0.06 to 0.06 51.14 ELEV POS (VAC) -0.10 to 0.10 51.15 NSS POS (VAC) -0.20 to 0.20 3) Do these steps to get out of the BITE test: NOTE: If there are instructions on the CDU display, it is necessary to do the instructions that show on the CDU display. www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：737-600-700-800-900 AIRCRAFT MAINTENANCE MANUAL飞机维护手册3
