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Alternator Drive Coupling Tool Kit - ADCKIT1
MFR Model# ADCKIT1
Overview
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Alternator Drive Coupling Tool Kit: Designed for proper installation, removal and testing of alternator drive couplings found on many Continental Aerospace Technologies piston engines.
Alternator Coupling Tools are purpose-built to make it easy for mechanics to inspect this critical component and simplify coupling installation and removal. The tool kit consists of a zinc-coated coupling spanner wrench and unique coupling gear socket with steel housing and aluminum gear engagement, designed to protect the steel coupling gear from damage during maintenance. Together, these tools allow the coupling to be held in place (mounted on the alternator or free-standing) while the coupling gear slippage is checked with a calibrated 3/8” torque wrench (as specified in the engine maintenance manual). The alternator drive coupling plays an important role in engines with direct-drive, gear-driven alternators. The coupling provides a shear point, protecting the engine from damage should the alternator fail. However, it is imperative that the coupling be installed properly and inspected every 500 hours or any time that the alternator is removed from the aircraft. This critical component has been the subject of several Service Bulletins (SBs) and Special Airworthiness Information Bulletins (SAIBs) because an out-of-tolerance or improperly installed coupling can lead to catastrophic engine failure. The lack of specialized tools to perform these tasks has made compliance difficult for many shops, increasing the risk that these critical inspections are not being performed in the field. In addition, alternator coupling slippage is a frequent cause of low alternator output. Without the tools to properly inspect the coupling, these failures are often mis-diagnosed as a failure of the alternator, resulting in wasted time and money for both shops and owners. |
Eligibility
- For IO520 & 550 Engines
In The Box
- Steel Spanner- Designed for elastomeric couplings only
- Steel Drive Gear Socket
Reviews
worked as advertised
Verified Purchase
Alternator Drive Coupling Tool Kit AdckiT1
Nice product. The gear holder is well made. The spanner wrench for the lower part of the coupler will only work with the Continental part 646655 or equivalent. Wrench will not work on the older spring clutch type alternator drives.
Verified Purchase
Alternator Drive Coupling Tool Kit AdckiT1
The product quality is not that great for the cost. However it got the job done, I would have been better to go to a local machine shop.
Verified Purchase
Alternator Drive Coupling Tool Kit AdckiT1
Q&A
Please note, Aircraft Spruce Canada's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Canada assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
