1989 300WE Shaft Stuffing Box Hose

schwarz633

Member
Oct 1, 2019
35
Boat Info
1989 Weekender
Engines
Mercruiser 5.7 Inboard Straight Drive
I believe that my 1989 300WE shaft stuffing boxes are the same as what's shown in this video:


My stuffing boxes are shown near the bottom of this album:

https://photos.app.goo.gl/TWmyTi1wHuT1g5uF7

I need to take some measurements to confirm, but the Algonac 22964 uses 2-5/8" hose:

http://www.algonaccast.com/pdf/67-78.pdf

The only stuffing box hose I've located is Buck Algonquin and it doesn't come in that size, any idea where to find 2-5/8" hose?
 
I believe that my 1989 300WE shaft stuffing boxes are the same as what's shown in this video:


My stuffing boxes are shown near the bottom of this album:

https://photos.app.goo.gl/TWmyTi1wHuT1g5uF7

I need to take some measurements to confirm, but the Algonac 22964 uses 2-5/8" hose:

http://www.algonaccast.com/pdf/67-78.pdf

The only stuffing box hose I've located is Buck Algonquin and it doesn't come in that size, any idea where to find 2-5/8" hose?
What size are your shafts 1- 1/4" If so I'm pretty sure it's 2-5/8" but don't hold me to that !
 
I have found a few sources for the Buck Algonquin hose in 12" lengths 80HO262512.
 
As it turned out, the hoses are 2-1/2" ID. Bought the Buck Algonquin hose, which is has a much thicker wall than what was on there. Also bought the Buck Algonquin T-bolt hose clamps.

Removing the flanges with the Buck Algonquin puller was definitely a struggle, but they came off with a little help from a heat gun, 18" adjustable wrench, a 4 foot piece of Unistrut bolted to the flange/puller, and a hammer. They weren't too corroded, so I just cleaned them up with a ScotchBrite pad.

Pulled the shafts and lapped the props onto the tapers per the Keith Fenner YouTube videos. Heated the flanges to 400°F in vegetable oil in a Fry Daddy and they slid right back on the shafts. New Gore GFO 1/4" packing and it's ready to launch.
 
Congrats on success. I realize too late for this job, next time you do a straight drive coupling removal I’ll give you a hint. Split the two faces, easy 4 bolt removal as you did. Get some grade 8 bolts/nuts for the cranking work, bolt the flanges together positioning a socket of perfect size on the face of the shaft. Tighten evenly and the socket will push the shaft out. Add socket length and change bolt lengths as necessary. I busted one of those pullers you used, fun isn’t it, can be rough as u know. The puller folded in half on me, buck replaced it so I have a brand new one never used now, the socket trick works perfect. I did the socket method in my 88 300 weekender, great ER access and awesome boat, had it for 10 years LOVED it. Enjoy it.
 

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