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Jun 10/2007
D633A101-GUN
BOEING PROPRIETARY - Copyright#Unpublished Work - See title page for details
(Continued)
Zone Area
312 Area Aft of Pressure Bulkhead - Right
334 Left Horizontal Stabilizer - Elevator
344 Right Horizontal Stabilizer - Elevator
E. Access Panels
Number Name/Location
311BL Stabilizer Trim Access Door
F. Prepare for the Test
SUBTASK 27-31-00-860-060
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 the 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 27-31-00-860-061
(2) Do this task: Null Procedure - Mach Trim Actuator, TASK 27-31-00-700-801.
SUBTASK 27-31-00-010-012
(3) Open this access panel:
Number Name/Location
311BL Stabilizer Trim Access Door
SUBTASK 27-31-00-860-062
(4) Use the bar, SPL-1677 to set the "B" dimension at 4 units of trim (39.89 +/- 0.01 inches or 1013.2
+/- 0.3 mm) (Figure 502).
SUBTASK 27-31-00-860-063
(5) Operate the elevator in the full travel 6 times.
SUBTASK 27-31-00-860-064
(6) Make sure the control column is in the neutral position.
G. Elevator Output Torque Tube Buss Linkage Test
SUBTASK 27-31-00-730-004
CAUTION: DO NOT PUT A LOAD OF MORE THAN 65 POUNDS (289 NEWTONS) ON THE
ELEVATORS AT ONE TIME. IF THE LOAD IS TOO HEAVY, IT CAN CAUSE DAMAGE TO
THE ELEVATORS.
(1) Do a test of the elevator output torque tube:
(a) Set the FLT CONTROL A switch on the forward overhead panel, P5, to the OFF position.
(b) Make sure the FLT CONTROL B switch on the forward overhead panel, P5, is in the ON
position.
(c) Use a block, STD-1278 and force gauge, COM-1557 to apply a downward force of 15 +/- 1
pounds (67 +/- 4 newtons) to the right elevator trailing edge.
1) Slowly release the force.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
GUN ALL 27-31-00
Page 567
Jun 10/2007
D633A101-GUN
BOEING PROPRIETARY - Copyright#Unpublished Work - See title page for details
2) Make a mark of the elevator position on the tailcone after you remove the force.
(d) Use a block, STD-1278 and force gauge, COM-1557 to apply an upward force of 10 +/- 1
pounds (45 +/- 4 newtons) to the right elevator trailing edge.
1) Hold the elevator in this position with the force you have applied.
2) Make a mark of the elevator position on the tailcone before you remove the force.
3) Slowly remove the force.
a) Make sure the distance between the up and down position of the right elevator is
not greater than 0.21 inch (5.3 mm).
(e) Set the FLT CONTROL A switch on the forward overhead panel, P5, to the ON position.
(f) Set the FLT CONTROL B switch on the forward overhead panel, P5, to the OFF position.
(g) Use a block, STD-1278 and force gauge, COM-1557 to apply a downward force of 15 +/- 1
pounds (67 +/- 4 newtons) to the left elevator trailing edge.
1) Slowly release the force.
2) Make a mark of the elevator position on the tailcone after you remove the force.
(h) Use a block, STD-1278 and force gauge, COM-1557 to apply an upward force of 10 +/- 1
pounds (45 +/- 4 newtons) to the left elevator trailing edge.
1) Hold the elevator in this position with the force you have applied.
2) Make a mark of the elevator position on the tailcone before you remove the force.
3) Slowly remove the force.
a) Make sure the distance between the up and down position of the left elevator is not
greater than 0.21 inch (5.3 mm).
H. Put the Airplane Back to Its Usual Condition
SUBTASK 27-31-00-860-065
(1) Do this task: Put the Elevator Hydraulic systems A and B Back to the Condition Before the
Pressurization, TASK 27-31-00-840-801.
SUBTASK 27-31-00-410-011
(2) Close this access panel:
Number Name/Location
311BL Stabilizer Trim Access Door
------------------------- END OF TASK ---------------------------
TASK 27-31-00-700-806
16. Elevator Tab Linkage - Test
(Figure 502, Figure 505, Figure 512, Figure 523)
A. General
(1) Use this test to do a check of the elevator tab control system.
B. References
Reference Title
27-31-00-700-801 Null Procedure - Mach Trim Actuator (P/B 201)
27-31-00-800-801 Elevator Hydraulic System A and B - Pressurization (P/B 201)
27-31-00-800-802 Remove Pressure from the Elevator Hydraulic Systems A and B
(P/B 201)
　
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