NO

PROCEDURES ARE PROVIDED FOR BOTH ALUMINUM AND
27-31-00-735-037?
TITANIUM PUSHRODS

FREEPLAY REQUIREMENTS MUST BE MET TO OBTAIN CORRECT TAB POSITION

TOOL C27028, OR EQUIVALENT, IS RECOMMENDED YES FOR NECESSARY ACCURACY

MEASURE USING FOUR POINT METHOD (PREFERRED), OR BY SINGLE POINT METHOD
Elevator Tab Adjustment Flow Diagram
Figure 507A

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737-300/400/500MAINTENANCE MANUAL
ACCESS PANEL
ELEVATOR TAB
LOWER INBOARD 
HINGE COVER 
INBD 
HORIZONTAL 
STABILIZER  TAB PUSHRODS 
SEE  A  FWD 
ELEVATOR 
ELEVATOR 
LOWER  TAB  ELEVATOR TAB  CHECKNUTS (EXAMPLE)  1  TAB PUSHRODS 
AERODYNAMIC 
SEAL 

AFT MOUNTING BOLT (EXAMPLE)
INBD
A
1 ON AIRPLANES WITH TITANIUM TAB RODS, DO NOT INSTALL LOCKWIRES
Elevator Tab Pushrod Adjustment Figure 508
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(b)

(c)

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737-300/400/500MAINTENANCE MANUAL
Do this task: "Remove the Pressure from the Elevator Hydraulic
 Systems A and B" (AMM 27-31-00/201).
Make sure that the B dimension is at 41.57 |0.01 inches.
Remove the access panel 9313L or 9413R (access panels of the
 tab pushrod at the upper inboard end of the elevator).
Determine if titanium or aluminum tab pushrods are installed.

 NOTE: The aft ends of the titanium pushrods have two

____ checknuts for each pushrod. The aft ends of the aluminum pushrods have one checknut for each pushrod.
If aluminum tab pushrods are installed, remove the access panels 9105 or 9205.If aluminum tab pushrods are installed, loosen the checknuts at each aft and forward end of the two right hand elevator tab pushrods.If titanium tab pushrods are installed, loosen the two checknuts on each of the two right hand elevator tab pushrods.Use the C27032 ski jump tool and do the steps that follow to measure the stabilizer to elevator gap (ski jump) for the right elevator (Fig. 508A).
 NOTE: The ski jump measurement is an optional measurement.
____
 1) Use the zero block to adjust the dial indicator of the ski
 jump tool assembly to zero. 2) Push the elevator trailing edge full up. 3) While you move the elevator trailing edge down, align the
 center of the right elevator trailing edge with the index mark within |0.04 inch or less.
 NOTE: Keep the elevators at this position while you do
____ the steps to find the ski jump value for the right elevator. If the elevator position is changed, you must put the elevator trailing edge at the full up position and do this step again before you continue.
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A 737-300/400/500MAINTENANCE MANUAL

APPROXIMATE MEASUREMENT POSITIONS (INCHES)

Ski Jump Tool and Measurement
Figure 508A

E37841
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737-300/400/500MAINTENANCE MANUAL
　
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