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 a record of this clearance.
 NOTE: It may be necessary to insert a flat metal filler____ block between the elevator and the elevator tab to
 help in this measurement.
 3) Hold the elevator tab around the trailing edge and move it inboard using hand pressure. 4) Measure the clearance between the elevator and the outboard end of the elevator tab.
 NOTE: The axial play is the difference in clearance____ measurements recorded in this step and the clearance recorded before.
 (l)  Do the same check on the tab of the opposite elevator.

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 27-09-91
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 226-036
 (5)  
Do a check of the elevator tab hinge freeplay (Fig. 605).

 (a)  
Pressurize the elevator hydraulic systems A and B
 (AMM 27-31-00/201).

 (b)  
Set the stabilizer at 3 +/- 0.5 units of trim.

 CAUTION: BE VERY CAREFUL WHEN YOU INSTALL A DEVICE TO CAUSE A
_______ BLOCKAGE OF THE ELEVATOR. THE ELEVATOR IS MADE OF COMPOSITE MATERIALS. THE DEVICE CAN CAUSE DAMAGE TO THE ELEVATOR IF YOU ARE NOT CAREFUL.
 (c)  Use a device that can cause a blockage of the elevator to prevent its motion during the check.
 NOTE: You can put a piece of wood between the elevator and the
____ airplane structure to prevent elevator movement.
 CAUTION:_______BE VERY CAREFUL WHEN YOU INSTALL THE MOUNTING DEVICE. THE ELEVATOR IS MADE OF COMPOSITE MATERIALS. THE MOUNTING DEVICE CAN CAUSE DAMAGE TO THE ELEVATOR IF YOU ARE NOT CAREFUL.
 (d)  
Attach a mounting device to the elevator in line with hinge No. 1 (Figure 605).

 (e)  
Put the dial indicator plunger directly over the top of the hinge center line. 1) Adjust the dial indicator to zero once there is contact

 with the elevator tab hinge.
 CAUTION: USE SUFFICIENT PADDING ON THE FORCE SCALE TO PREVENT
_______
 DAMAGE TO THE CONTROL SURFACE.

 (f)  Use a force scale to apply a 7 +/- 0.5 pound force in the up direction. The force is to be applied in line with the plunger.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 (g)  
Make a record of the travel shown on the dial indicator.

 (h)  
Slowly remove the force.

 (i)  
Use a force scale to apply a 7 +/- 0.5 pound force in the down direction. The force is to be applied as close as possible to the plunger without disturbing it.

 NOTE: Do not adjust the dial indicator.
____
 (j)  
Make a record of the travel shown on the dial indicatior.

 (k)  
Slowly remove the force.

 (l)  
Make sure that the sum of the two travel records is not more than 0.030 inches.

 (m)  
Repeat the previous 11 steps for each elevator tab hinge. This includes the 4 hinges on the opposite elevator.

 F.
Put the Airplane Back to Its Usual Condition

 S 846-029
 (1)  Release the pressure in the hydraulic systems A and B (AMM 27-31-00/201).
 TASK 27-09-91-206-006
 5.  Trailing Edge Flaps Inspection______________________________
 A. Standard Tools and Equipment
 (1)  
Dial Indicator - Accurate to 0.001 inch

 (2)  
Spring Force Scale, Push Type - Capable of 30 +/- 0.2 pounds

 (3)  
Mounting Device (to hold the dial indicator)

 B.
References

 (1)  
AMM 27-51-00/201, Trailing Edge Flaps Control System

 (2)  
AMM 27-51-11/401, Inboard Aftflap

 (3)  
AMM 27-51-39/401, Outboard Aftflap

 C.
Access

 (1)  
Location Zone 307 Wing Trailing Edge, Outboard Flap and Spoilers, LH 308 Wing Fixed Trailing Edge between Flaps, LH 309 Wing Trailing Edge, Inboard Flap and Spoilers, LH 407 Wing Trailing Edge, Outboard Flap and Spoilers, RH 408 Wing Fixed Trailing Edge between Flaps, RH 409 Wing Trailing Edge, Inboard Flap and Spoilers, RH
　
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