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2005Arms forum

Removing a stuck aircraft pin from an EFP arm

21 years old. Gear and prices may have changed since.

What the thread found

  • Soak the stuck pin and arm block overnight in WD40 to help loosen corrosion or debris
  • Use a hardwood block between the hammer and pin when tapping to avoid direct impact damage
  • If soaking does not work, dry the part and apply heat with a hot air blower before attempting to tap again
  • When reassembling, clean all holes thoroughly and polish the pin to prevent future sticking
  • Apply a Teflon-based grease or small amount of petroleum jelly to the pin as a water repellent before reassembly
  • Inspect the pin for bending and verify that all holes align properly during reassembly

Depends on

  • The pin had not been moved for approximately five years, making it particularly difficult to free
  • Some participants expressed reluctance about using WD40, suggesting potential concerns about its application in this context
  • No confirmation provided that the stuck pin was successfully removed using these methods

Gear in this thread

G-70catalog

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