TM 1-1520-238-23
Change 2
2-67
2.27.
ELECTROMAGNETIC INTERFERENCE (EMI) GASKET REPAIR
2.27.1. Description
This task covers:
Cuts. Tears and Punctures. Repair.
2.27.2. Initial Setup
Tools:
Aircraft mechanic’s tool kit (item 376, App H)
Light duty laboratory apron (item 27, App H)
Chemical protective gloves (item 154, App H)
Adjustable air filtering respirator (item 262, App H)
Materials/Parts:
Gasket 7-311150131-65 (table D-137, App D)
Silicone adhesive (item 23, App F)
Cloth (item 52, App F)
Isopropyl alcohol (item 106, App F)
Sealing compound (item 156A, App F)
Syringe (item 196, App F)
Personnel Required:
67R
Attack Helicopter Repairer
One person to assist
67R3F
Attack Helicopter Repairer/Technical
Inspector
Equipment Conditions:
Ref
Condition
1.57
Helicopter safed
NOTE
This task is typical for all EMI gasket installations except gaskets on drive shaft fairings.
For gasket repair on fairings R410 and R475, go to paragraph 2.27.5.
For surfaces finished with EMI conductive coating, go to paragraph 2.34.
2.27.3. Cuts
CAUTION
Do not allow adhesive to come in contact with exposed surfaces of gasket material. Adhesive is
nonconductive and will render gasket material nonconductive.
NOTE
Damage less than 0.125 INCH wide that does not remove any gasket material can be repaired by
bonding gasket together at separation.
a. Apply sealing compound to damaged area. Use sealing compound (item 156A, App F) and syringe
(item 196, App F).
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