Watched an AME, or I assume AME, open a panel on a mid-sized turbo-prop, tap a few things with an orange rubber hammer... and the problem, whatever it was, was fixed.... curious, what sort of things on an airplane are fixed with a few differently placed rubber hammer taps?
You need to be very careful what kind of hammer you use, they are very sophisticated tools and sometimes they can do amazing things. You would be surprised what else they can fix!!!!
Sometimes the brushes on a starter/gen stick, due to carbon build-up wet splined shafts are notorious for this, a slight tap on the starter will free up the brushes and the starter will turn over. Usually this is done just to get you home so that you can change the starter/gen.
Hope this answers your question. If you were not referring to the engine then I haven't a clue.
As I understand in order to use anything other than an Orange hammer you must check with the aircraft manufacturer. Lower quality "Grey" hammers have been known to dent and bend airplane parts.
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twnotter wrote:Sometimes the brushes on a starter/gen stick, due to carbon build-up wet splined shafts are notorious for this, a slight tap on the starter will free up the brushes and the starter will turn over. Usually this is done just to get you home so that you can change the starter/gen.
Hope this answers your question. If you were not referring to the engine then I haven't a clue.
if it's not in the engine bay it could be the brushes on the motor running the vcs....i love my orange hamma!!!
If it was a 1900 the buss electrical contactors (aft nacelles and battery box) have secondary "indication/annunciator" contacts that are "whimsical" if the vent holes on the relay are not sealed up in a damp environment (rtv or conformal coating). Cycling them a thousand times or givnin them the beats (with a caibrated tool such as an orange hammer) can help if a parts change is inconvenient and the primary fuctionality is serviceable (busses are powered)/indication/ annunciation fault only.