Shaft Packing; how long should it last?

NorthernFocus

Well-known member
Joined
Jun 29, 2014
Messages
1,331
Location
Alaska
Website
www.northernfocusphotography.com
Fluid Motion Model
R-25 Classic
Hull Identification Number
FMLT25910808
Vessel Name
Divine Focus
In my youth I worked on various commercial vessels and charter yachts. Back then packing was made out of flax impregnated with wax. Adjusting/tightening packing was a routine task. And if it didn't wear out it rotted. SOP was to replace packing at the start of every season. My how things have changed with modern materials. We bought our 2008/9 R25 Classic used and replaced packing/aligned engine during commissioning for the 2015 season. I used teflon packing material. Last week after over 2200 operating hours I finally had to tighten it. After ten years I should probably replace the packing on GP but I'm a cheap old fart.
 
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