27-21-19
ALL ú ú 02 Page 409 ú Jan 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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H.
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757 MAINTENANCE MANUALInstall the Top Compensating Rod (Fig. 401) S 624-031
(1) Apply some of the corrosion preventive compound to the bolts, bushings, washers, and nuts before you install them.
S 434-032
(2) Connect the non-adjustable end of the top compensating rod to the multiplier crank.
S 824-033
(3) Adjust the top compensating rod and do these steps: (a) Make sure the top and bottom gaps at the input crank hammer are not more than 0.09 inch (2.3 mm). (b) Make sure the top and bottom gaps at the input crank hammer are the same (use a tolerance of |0.01 inch (+/- 0.25 mm)). (c) Tighten the jamnuts for the top compensating rod and lock them with a wire.
(d) Connect the top compensating rod to the input crank.
Install the Multiplier Crank (Fig. 401)
S 624-034
(1)
Apply some of the corrosion preventive compound to the bolts, bushings, washers, and nuts before you install them.
S 434-035
(2)
Connect these components:
(a)
The multiplier crank to the support bracket
(b)
The bottom compensating rod to the multiplier crank.
S 034-036
(3)
Disconnect the top compensating rod from the input crank.
S 434-037
(4)
Connect the non-adjustable end of the top compensating rod to the multiplier crank.
S 824-038
(5)
Adjust the top compensating rod and do these steps:
(a)
Make sure the top and bottom gaps at the input crank hammer are not more than 0.09 inch (2.3 mm).
(b)
Make sure the top and bottom gaps at the input crank hammer are the same (use a tolerance of |0.01 inch (+/- 0.25 mm)).
(c)
Tighten the jamnuts for the top compensating rod and lock them with a wire.
(d)
Connect the top compensating rod to the input crank.Install the Bottom Compensating Rod (Fig. 401)
S 624-039
(1)
Apply some of the corrosion preventive compound to the bolts, bushings, washers, and nuts before you install them.
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27-21-19
ALL ú ú 02 Page 410 ú Jan 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
(2) S 034-040Remove the top compensating rod and do these steps: (a) Adjust the rod length to 11.84 |0.02 inches (300.2 +/- 0.5 mm) and tighten the jamnuts.
NOTE:____ The rod will be used as a tool. Ignore the control rod threads that do not show in the inspection holes.
(3) S 434-041Install the top compensating rod.
(4) S 434-042Assemble the top and bottom parts of the bottom compensating rod and do these steps: (a) Connect the top part of the bottom compensating rod to the multiplier crank. (b) Connect the bottom part of the bottom compensating rod to the support bracket.
(5) S 434-043Use the hole locations in the top part of the bottom compensating rod to drill 3/16 inch holes and install the rivets (NAS1398D-2).
NOTE:____ To get access to all the hole locations, you must remove the bolts and turn the rod. Two rivets must be installed before you turn the compensating rod to make sure the length does not change.
(6) S 434-044Install the bottom compensating rod and tighten the rod end bolts.
(7) S 824-045Adjust the rudder thermal compensating linkage (Ref 27-21-00).
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27-21-19
ALL ú ú 02 Page 411 ú Jan 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
J. Put the Airplane Back to Its Usual Condition
S 094-051
WARNING: STAY AWAY FROM THE NOSE WHEELS WHEN THE LOCKPIN IS REMOVED.
_______ THE WHEELS CAN TURN TO THE CENTER POSITION QUICKLY, AND CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
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