19.
 SHIM

20.
 SPACER

21.
 SCREW (QTY 2)

22.
 WASHER (QTY 2)

23.
 NUT (QTY 2) (3 LOCATIONS -LEFT HAND COWL)

SEE B
C  LEFT HAND COWL C-C 
Figure 501 (Sheet 2) Thrust Reverser Adjustment

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 78-31-01
 ALL  ú ú N01 Page 506 ú Oct 10/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
(c)  
Apply the 0.20-inch thick clay to the two top inner wall compression pads (shim 1 and 5 locations) for the two thrust reverser halves.

 (d)  
Apply the 0.20-inch thick clay to the top inner wall
 compression pads (shim 3 and 16 locations).

 (e)  
Apply the 0.20-inch thick clay to the three lower inner wall compression pads (shim 17 and 29 locations) on the left thrust reverser half.

 (f)  
Apply the 0.20-inch thick clay to the lower compression pad (shim 7 location) on the right thrust reverser half.

 S 645-011-N00
 (3)  Apply the petroleum jelly as a parting agent with the steps that follow:
 (a)  
Where the clay on the top compression pads touches the strut.

 (b)  
Where the clay on the lower compression pads touch on the opposite thrust reverser half.

 (c)  
Where the clay on the latch pads touch on the opposite thrust reverser half.

 S 645-012-N00
 (4)  Apply the petroleum jelly to lubricate the inner engine vee-groove.
 NOTE: The lubricant will make it easier to install the vee-blade in
____
 the vee-groove and to cause the clay to come out.

 (a)  Apply the clay into the inner vee-groove at the 1,3,5,7,9, and the 11 o'clock posistions.
 S 115-046-N00
 WARNING: DO NOT GET THE NAPTHA IN YOUR MOUTH OR EYES, OR ON YOUR SKIN.
_______ DO NOT BREATHE THE FUMES FROM THE NAPTHA. PUT ON A PROTECTIVE SPLASH GOGGLE AND GLOVES WHEN YOU USE THE NAPTHA. KEEP THE NAPTHA AWAY FROM SPARKS, FLAME AND HEAT. NAPTHA IS A POISONOUS AND FLAMMABLE SOLVENT WHICH CAN CAUSE INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT.
 (5)  
Clean the fire seals for the thrust reverser and the two sides of the strut with the naptha.

 S 645-035-N00

 (6)  
Apply the transfer dye or petroleum jelly to the strut along the area where the fire seal touches, approximately one inch in width and very thin.

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 ALL  ú ú N01 Page 507 ú Jun 10/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
S 415-036-N00
 WARNING: OBEY THE INSTRUCTIONS IN THE PROCEDURE TO CLOSE THE THRUST
_______ REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT CAN OCCUR.
 (7)  Close the thrust reverser (AMM 78-31-00/201).
 (a)  Make sure the vee-blade engages the vee-groove on the fan case.
 S 335-015-N00
 (8)  
Push the thrust reverser halves together until you can engage the lower four latches on the mating bolt.

 S 425-016-N00

 (9)  
Install the latch band (AMM 78-31-02/401).

 S 435-017-N00

 (10)
 Close all latches on the thrust reverser.

 (a)  Start at the latch band and go to the rear with the tension
 latches.

 S 825-018-N00
 (11)
 Adjust the latch band (AMM 78-31-02/501).

 S 825-019-N00

 (12)
 Adjust the four tension latches (AMM 78-31-04/501).

 S 415-020-N00

 (13)
 Install and adjust the core cowl panels (AMM 71-11-06/401).

 S 225-021-N00

 (14)
 Make sure the aft most lower bifurcation walls of the thrust reverser have a clearance of 0.10-0.13 inch.

 NOTE: The adjustment and the installation of the core cowl controls
____
 this clearance.

 S 015-037-N00
 WARNING: OBEY THE INSTRUCTIONS IN THE PROCEDURE TO OPEN THE THRUST
　
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