(3)  
Remove overcenter link from linkage assembly.

B.  Install Overcenter Link
(1)  Attach overcenter link to guide carriage with nut, washer and bolt. Bolthead must be in the inboard position (Fig. 401).
CAUTION:  DO NOT APPLY LUBRICANT. SEIZING COULD OCCUR FROM BREAKDOWN OF LUBRICANT AT HIGH TEMPERATURES.
NOTE:  Feedback control rod and spacer must be installed when connecting lower left (facing forward) overcenter link to guide carriage.
(2)  
Tighten nut 95 to 110 pound-inches and install cotter pin.

(3)  
Connect overcenter link to driver link with bolt, washers and nut. Make sure the bolthead points to the engine.

(4)  
Tighten nut 95 to 110 pound-inches and install cotter pin.

503 
May 01/00  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  78-32-201 Page 405 

7.  Removal/Installation Guide Carriage and Guide Rods
A.  Remove Guide Carriage and Rods
(1)  
Remove cotter pin, nut, washer and bolt connecting overcenter link to guide carriage  (Fig. 401).

NOTE:  Feedback control rod and spacer are installed on lower left (facing forward) overcenter link and guide carriage connection. Save spacer for reinstallation.

(2)  
Remove nut, washers and bolt connecting actuator rod to guide carriage.

(3)  
Remove nuts and washers connecting forward end of guide rods to aft support, and pull guide rods out through aft support.

(4)  
Remove guide carriage through opening in aft support.

B.  Install Guide Carriage and Rods
(1)  
Position guide carriage inside aft support with actuator connection forward (Fig. 401).

CAUTION:  DO NOT APPLY LUBRICANT. SEIZING COULD OCCUR FROM BREAKDOWN OF LUBRICANT AT HIGH TEMPERATURES.

(2)  
Position guide rods through guide carriage, and attach to aft support with washers and nuts. Tighten nut 95 to 110 pound-inches.

(3)  
Attach guide carriage to actuator rod with bolt, washers and nut. Bolthead must point upward.

(4)  
Tighten nut to 95 to 110 pound-inches.

(5)  
Attach overcenter link to guide carriage with nut, washer and bolt. Make sure the bolthead points to the engine.

NOTE:  Feedback control rod and spacer must be installed when connecting lower left (facing forward) overcenter link to guide carriage.

(6)  
Tighten nut to 95 to 110 pound-inches and install cotter pin.

501 
78-32-201 Page 406  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  Jun 20/91 

8.  Restore Airplane to Normal
A.  Attach actuator housing fairing to thrust reverser with screws.
B.  Reactivate thrust reverser hydraulic system by removing ground locks from both thrust reverser isolation valves. 
C.  Place deflector doors in the forward thrust position (Ref 78-32-01).
WARNING:  PERSONNEL MUST STAY CLEAR OF THE THRUST REVERSER WHEN IT IS ACTUATED, TO PREVENT BEING CAUGHT BY ROTATING DEFLECTOR DOORS.
500 
Oct 20/87  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  78-32-201 Page 407 

THRUST REVERSER LINKAGE ASSEMBLY -ADJUSTMENT/TEST
1.
 General

A  The thrust reverser linkage adjustment consists of a check to determine that the overcenter link is in the overcenter position, and a feedback control rigging check. The linkage operating condition is determined by performing a test of the thrust reverser operation per 78-32-01.

2.  
Equipment and Materials

A.  Thrust Reverser Isolation Valve Ground Lock Cap and Pin Assembly - F80109-3 or F8010909 or equivalent

3.  
Linkage Assembly Adjustment

A.  With the thrust reverser in the forward thrust position, deactivate reverser hydraulic system by installing ground locks on both thrust reverser isolation valves.
WARNING:  SERIOUS INJURY CAN RESULT TO PERSONNEL IF GROUND LOCKS ARE NOT PROPERLY INSTALLED. ATTEMPT TO DEPLOY THRUST REVERSERS AFTER INSTALLING GROUND LOCKS. REVERSERS SHOULD NOT DEPLOY.
B.  Remove screws attaching actuator housing fairing to thrust reverser, and remove fairing. 
C.  Check that overcenter link - guide carriage attach point is at least 1/4 inch aft of the overcenter link - driver link attach point. (See figure 501.) Overcenter link is housed in aft support. 
D.  Position actuator housing fairing on thrust reverser and attach with screws.
E.  Remove feedback control access panel.
F  Position 1/4 inch diameter rig pin in the feedback control lever rig pin hole. If rig pin cannot be inserted without binding, adjust rod ends as follows:
　
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