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Helicopter Maintenance Tips - May 2015

Posted 8 years 282 days ago ago by Scott Skola

Couple quickies this month.

May’s tips:

ATA 62

Bell 206 series: String aligning M/R blades can be a bit tedious. One cheat to see the string better is to fabricate a couple stringing mirrors. You can use pieces from a broken mirror, or simply buy a couple small rectangular mirrors that will sit across the top of the M/R blade bolt. Using the picture below as a guide, carefully remove the reflective backing off the mirrors.  When aligning blades, center mirrors on blade bolts with clear area orientated chord-wise. Stand over the bolt and while looking into the mirror, line up the actual string with its reflection and check string position per CR&O. If the ceiling above the work area is dark, hold up a piece of light colored paper and position opposite your point-of-view to give a better background to see string. [Submitted by One-Eye]

ATA 00
General: Ever needed to remove something and the slide-hammer puller is MIA? Just procure an appropriate threaded bolt and modify it with some safety wire as shown in picture. If the item is a little stubborn, slip a ground handle wheel bar, other heavy wall tube through wire and tap on loop until free.  [Submitted by Rw]

Send an email to [email protected]. Enter tip type (general, aircraft, component, ground support, etc.) in subject line. Describe the tip in as much detail as needed and be sure to include any basic info for those readers who lack experience on specific model. Ensure the aircraft/component model and your credit preference (anonymous, nickname, real name) are included in the email. No email addresses will be shared or permanently stored and will be deleted once tip is posted in the blog.  

About the author: After a 32 year career in maintaining helicopters, Scott provides limited maintenance consulting services through his company, TEK Aviation LLC. He can be contacted at [email protected].

*And to keep the hounds at bay, the information contained in this blog is for discussion purposes only.*