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Old 10-31-2015, 01:35 PM   #101
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Too much already said about the process. I will add only one thing. Nothing to do with the repacking or adjustment process themselves.

Packing, dry or not, adjusted well or not, will allow a fine water spray. Often not visible and can only be 'seen' with the use of a piece of paper which may take some time to wet out. Of course any box adjusted for a slow drip will spray but even the 'dry' ones will spray.

That fine spray travels and is often cause of rusting, sometimes heavy rusting of the coupling, the gear and any other steel components nearby.
It can be stopped from flying all over by the simple use of a beat up old, small fender cut up.

Cut the hanger ear off one end so there is a hole a bit bigger than the shaft. Cut off that holed section of fender long enough to clamp onto the packing nuts so it hangs over the shaft an inch or so. Split that piece of fender lengthwise and adjust the diameter so when wrapped around the packing nut there is a small gap at the bottom.

Using a clamp, wrap it over the nut and secure the fender piece. Arrange it so the gap is down.

That fine spray will collect on the inside of the fender and drop into the bilge, not spreading itself far and wide to cause rust.

I don't install this untill I'm satisfied about the drip rate, if needed, but even so it goes on once the initial adjustment is done. It only takes a few seconds to remove it when the packing needs an adjustment.

I have a nut driver in a bracket along with the packing nut wrenches within arms reach. I got fed up years ago digging through my tool boxes for the tools.

I've suggested this before in an older post which has now slid into the darkness of time.
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Old 10-31-2015, 10:42 PM   #102
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If you're worried about the amount of water coming in during repacking, get in the water and put a wax bowl ring around the prop shafts. No water will come in and they disappear as soon as your back under way.
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Old 11-02-2015, 03:19 PM   #103
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Good advice-----Thank you
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Old 11-02-2015, 07:49 PM   #104
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If the packing gland is not dripping or is just barely dripping and the gland and log are running dead cold it's a pretty fair bet the packing is in good shape. I don't have to pull the pistons every year on a perfectly running engine to know that they're in good shape, either. Even my dog understands this fairly rudimentary logic.
Here is a picture for your dog to ponder. 10+ year old flax packing pulled out of a cool running, slow dripping stuffing box. Came out in pieces. All dried out with no evidence of any wax/lube left in it. Shafts showed scoring.
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Old 11-11-2015, 10:30 PM   #105
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Found this technical info in my research:


TYPES OF SHAFT PACKING, Wester Pacific Trading
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Old 11-13-2015, 04:27 PM   #106
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Well mother nature turned us back. Astoria with 21mph winds building to 35mph with gusts of 50mph. Try again in a few weeks.
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Old 11-13-2015, 04:30 PM   #107
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How do I ask nicely...?
Did you not known what it was doing out there?
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Old 11-13-2015, 04:36 PM   #108
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We did. We spent the night at Cathlamet WA the night before as the yard told us if the wind died down early in the morning, they would take us out. Cathlamet is about half way to Astoria. Just didn't work out and we had a nice little cruise.
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Old 11-13-2015, 04:38 PM   #109
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KUDOS to Astoria Marina Boat Yard

KUDOs to Astoria yard! They made a safety call and I do appreciate the phone call so we wouldn't beat up the boat. Love their customer service.
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Old 11-13-2015, 04:40 PM   #110
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We did. We spent the night at Cathlamet WA the night before as the yard told us if the wind died down early in the morning, they would take us out. Cathlamet is about half way to Astoria. Just didn't work out and we had a nice little cruise.
Haha. See I just assumed you were heading out over the bar. Oops.
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Old 11-15-2015, 06:02 PM   #111
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Haha. See I just assumed you were heading out over the bar. Oops.
Oh hell know. I don't have a death wish. Astoria is about 10 miles or so from the bar.

We came home and I pulled the steering cylinder to have new seals put in as she was dripping a bit. Shaft seal will wait until after Thanksgiving.
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Old 01-20-2016, 08:53 PM   #112
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Well we are dry docked in Astoria OR. I realized I am now retired and don't have to wait until the weekend, so off to Astoria. Great cruise. Took us about 5 hours, by noon ASD was in the slings getting lifted out of the water. First thing I did was a walk around. The shafts, propos and zincs all looked excellent. I forgot how big my props are. The bottom is covered by slim, but we are in fresh water, besides we are not allowed to wash the bottom of the boat according to Oregon EPA.

I took the stbd shaft packing apart first. I am lucky as my shafts seals are very accessible. I did as recommended and checked with a drill bit, to measure the space between the shaft and housing. I have 2 1/4" shafts and it takes 1/2" packing. I bought the extraction tool which works out great! I pulled 9 packings out. Cleaned the shaft, housing and installed 6 new packings. I will tackle the port side tomorrow. I will also make some desired modifications to my swim platform.

I want to say thank you to all of you that offered advice and encouragement. It is greatly appreciated.-Tom
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Old 01-21-2016, 04:46 AM   #113
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You went to all that trouble and put old school flax packing back in!

You should consider cleaning off the shaft and the stuffing box while you're at it. You can clean the two parts of the box with mild acid and a wire brush. Obviously wear protection. Then spray the box down with Boeshield or something like it.
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Old 01-21-2016, 04:49 AM   #114
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You went to all that trouble and put old school flax packing back in!
Yup. My thoughts exactly.
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Old 01-21-2016, 11:33 AM   #115
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Thanks and thought I would try old school. I noticed both GTU and old style flax. I hope I am not back here saying "you told me so!"


I am debating on whether or not to tear down the port side. It isn't leaking and still has lots of adjustment left. Looking at as "If it is not broke don't fix it" type of thinking.
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Old 01-21-2016, 12:06 PM   #116
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Thanks and thought I would try old school. I noticed both GTU and old style flax. I hope I am not back here saying "you told me so!"


I am debating on whether or not to tear down the port side. It isn't leaking and still has lots of adjustment left. Looking at as "If it is not broke don't fix it" type of thinking.
Don't buy the GTU knock off packing. Buy the real GFO.

And I would do both boxes at the same time.

In fact I would pull out the flax packing you just put in, give of throw it away and start over with GFO in both boxes.

But that's just me.
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Old 01-21-2016, 12:19 PM   #117
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The real GFO will not cause groves in the shafting , teflon does.


GFO will seal with quite worn shafts and does not require a constant leak to lubricate the bearing.
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Old 01-21-2016, 12:31 PM   #118
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You went to all that trouble and put old school flax packing back in! .
Well, at least the boy gave it a shot.
Remember how much advice he got and how anxious he was through the first 100 posts in this thread.

Now he knows he can do it, he'll move into grade 2, I'm sure.

ASD, if you leave the flax in, keep your eye on it for a while as you will most likely need to adjust, if not add more.
How many came you? How many went back in?

Either way, good on you.
Now listen to Bill.
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Old 01-21-2016, 01:02 PM   #119
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My packing is also easy to get to and I've thought about changing to drip less type but I like the idea of being able to adjust, replace or just add a ring if need be. I think it's easier for me to live with what I have rather than change to a system that is a lot more work to repair if there is a problem.


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Old 01-21-2016, 07:36 PM   #120
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Well I'm not finished yet. Tomorrow when I get back in the water, I will tie up to the dock, run the engines at idle in gear for about 20 minutes to make adjustments.


The reason I went with regular flax. I got into a in depth conversation with a guy at Englund Marine here in Astoria. They had both the Teflon flax and the regular. He is 74 and he told me that for many many years he has used the regular flax. He has used the Teflon stuff and he had issues with it. He has always had good performance with regular flax and uses it exclusively in his fishing boats. These boats are ran farther and harder than my trawler will ever see. He convinced me.


I went back in to Englund this morning as I was set the take every thing out and use the GTU (GTC?) stuff. He told me I would be fine and was willing to come down to the yard and look at my installation. I showed him my pictures and told me I did a good job. He also told me that after our conversation two boat owners came in and wanted the regular flax and was cussing the Teflon stuff, why I am not sure.


I want to thank all of you as I do fill more comfortable with it now and really do appreciate all TF advice that was given. Thank you.......
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