E.  
Prepare for the Fire Seal Repair.

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S 048-001-N00
 WARNING: DO THE DEACTIVATION PROCEDURE TO PREVENT THE OPERATION OF THE
_______ THRUST REVERSER. THE ACCIDENTAL OPERATION OF THE THRUST REVERSER CAN CAUSE INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT.
 (1)  
Do the deactivation procedure for the thrust reverser for ground
 maintenance (AMM 78-31-00/201).

 S 018-012-N00

 (2)  
Open the fan cowl panels (AMM 71-11-04/201).

 S 018-013-N00

 (3)  
Open the core cowl panel (AMM 71-11-06/201).

 S 018-002-N00
 WARNING: OBEY THE INSTRUCTIONS IN THE PROCEDURE TO OPEN THE THRUST
_______
 REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO
 PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.

 (4)  
Open the thrust reverser (AMM 78-31-00/201).

 F.
Repair the Fire Seal (Fig. 801)

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 (1)  Find the seals that are necessary to repair.
 NOTE: If it is necessary to replace more than one fire seal
____ section, you can replace all of the seal assembly with a one-piece seal.
 S 358-015-N00
 (2)  Use a sharp knife to cut and remove the seals with damage.
 (a)  
Examine the inner diameters of the adjacent seals

 (b)  
Remove the splice plugs from the adjacent seals if they have damage.

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 (3)  Do these steps to install new splice plugs in the adjacent seals:
 (a)
Make sure the splice plug has a minimum length of 1.0 inch

 (25.4 mm).

 (b)  
Use the adhesive to install the splice plugs in the adjacent seals. 1) Make sure the splice plugs go into the adjacent seals a

 minimum of 0.50 inch (12.7 mm). 2) Make sure the splice plugs will go into the replacement seal a minimum of 0.50 inch (12.7 mm).
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A
FIRESEAL
A
SEE B
SEE A FWD
RETAINER STRUT
FAN COWL
THRUST REVERSER - LEFT HALF (RIGHT HALF EQUIVALENT)
A
FIRESEAL
A-A
SEAL
LEFT SIDE FIRESEAL (RIGHT SIDE EQUIVALENT)
B
Fireseal Installation Figure 801
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 (4)  Do these steps to install the replacement seal:
 (a)  
Apply the adhesive to the splice plugs in the adjacent seals.

 (b)  
Install the replacement seal.

 (c)  
Seal all of the open areas between the adjacent seals and the replacement seal.

 (d)  
Make sure the fire seal is correctly installed in the retainer.

 (e)  
Do not touch the seal area for a minimum of 24 hours.

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 (5)  Examine the compression of the fire seal:
 (a)  
Clean the fire seals and the area on the strut that the seals touch with the naphtha.

 (b)  
Apply the transfer dye or the petroleum jelly to the area on the strut that the fire seals touch. 1) Apply a thin layer of the transfer dye (petroleum jelly)

 with a width of approximately one inch.
 WARNING: OBEY THE INSTRUCTIONS IN THE PROCEDURES TO CLOSE AND OPEN
　
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