Term
| How many tail rotor drive shaft segments are there? |
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Definition
| There are eight tail rotor drive shaft segments. Two are made of steel, and six are aluminum alloy. |
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Term
| How many dtail rotor drive shaft sements are on top of the tail boom section of the aircraft? |
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Definition
| Five fo the eight tail rotor drive shaft sements are on top of the tail boom. |
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Term
| What are the hangars beaing assemblies used for? |
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Definition
| Hangar-bearing assemblies are used to support the drive shaft and maintain drive train alignment in its position ove the tail boom. |
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Term
| What is used to connect a drive shaft segment to another component? |
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Definition
| Thomas couplings are used at every drive shaft connection to provide a strong yet flexible connection requiring no lubrication. |
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Term
| Why are the indexing flats in Thomas couplings alternated? |
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Definition
| Alternating indexing flats increases the tensile strength on these flexible couplings. |
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Term
| What is used to prevent slipping when the last tail rotor drive shaft segment is attached to the tail rotor gearbox? |
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Definition
| A splined adapter is used to prevent slipping. |
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Term
| Why are breather type filler caps used on the tail rotor gearbox? |
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Definition
| Breather type filler caps are used to prevent "pooling and cavitation". |
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Term
| What caution light illuminates when ferrous metal particles complete the circuit on the tail rotor gearbox chip detector? |
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Definition
| The T/R CHIP caution light illuminates when ferrous metal particles complete the circuit on the tail rotor gearbox chip detector. |
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