Packing the stuffing box and transducer adhesive

Status
Not open for further replies.
Jun 4, 2004
20
Hunter 31_83-87 Fairhope
1. I've not repacked the stuffing box on my H31 before. Does anyone know the correct packing width? How much length is necessary? Is there a preferred procedure? 2. Apparently, my 22 year-old Datamarine depth transducer is nearly expired, as it reads intermittently, not at all, or wrong. I plan to replace it while out of the water within a few months. What is a recommended, non-permanent adhesive? Thanks.
 
Dec 2, 1999
15,184
Hunter Vision-36 Rio Vista, CA.
On the Hunter Marine FAQ site.

Tim: The flax size is available on the Hunter Marine web site under FAQ's. I think that it is 3/16" for a plastic box. I assume that you are talking about bedding your thru hulls for the new instruments. I would use something like 4200 of Life Caulk. Sikaflex also make excellent products for this purpose. I would suggest that you speak with someone at your local yard for their opinion too.
 
B

Bill O'Donovan

Stuffing flax is 1/4 inch not 3/16 if 1-inch shaft

Stuffing box on the hards, not in the water REMOVAL Unscrew thin brass jam nut to free up the bigger one. Unscrew the big brass nut completely, floppy onto shaft. Spray WD-40 inside to loosen up the old hardened flax. Turn corkscrew pick into first layer (pull w/Vise Grip for better leverage). Repeat until layers removed: 2 if was chinzy, 3 more likely, 4 if anal. Clear out brass seating of any loose debris so new flax sits well. INSTALL Buy 13 inches Teflon 1/4 inch = three at 4 inches. Turn first wrap tight, mark with thumbnail or do at home with 1-inch stanchion. Cut with share razor knife or Dremel saw. Cut remaining 2 wraps to same size. Poke first one in clockwise by turning big nut slowly. Mark where it started at 12:00 with red pen or tape. Screw down onto shaft to pack, by hand only. Loosen and repeat two more times at 0:20 and 0:40 Do not overtighten, or will burn flax and not seat properly TEST When launch, be prepared to tighten using wrench keep jam nut loose Should be no drips at rest, do not overtighten In gear, should be no more than 1-3 drops per minute preferably none Optimum is no drips in gear “1-3 is an old wives tale,” says Fred at Yard Tighten one flat at a time while in gear If the big nut is warm, back off as too tight burning the flax Always retighten the jam cleat to avoid inadvertent loosening When it’s right, try a day or week later takes time, be patient Check again for three weeks then three months later Should last three or four years okay to tighten one flat a time, over time.
 
G

Gary Peaden

Hey Tim

Haven't been on the site since selling my 31 and thought I'd stick my head in. Miss sailing more than you'd imagine, but had a buyer and we were wanting to move up a few feet anyway. We just bought a lot in Stone Quarry (next to pirate's cove) with a slip and looking forward to building this spring....then I'll be on the market for a boat. Trust you and family are doing well....wish I could help with your project, but the folks on this site will always get you through. God bless.......Gary
 
M

Margaritaville

What Kind Of Packing?

I am not having any problem with my prop shaft leaking now but last time I looked at it. Mine looks like a peice of hose with a couple of hose clamps. Do I have a differnt style of a stuffing box. What is the maintenance for this?
 
Dec 25, 2000
5,946
Hunter Passage 42 Shelter Bay, WA
Hi Margaritaville, that hose with a couple of...

clamps is not your stuffing box. It is commonly referred to as a stern tube and is pretty much maintenence free. You do need to check the SS clamps and the tube material for cracks and deterioration. On our boat, as with most all Hunters and other boats, the stuffing box is between this rubber hose and your transmission. Some are made of plastic, but on ours it is made of about two inch diameter bronze with flats similar to a large wide nut with a lock nut. Bill did a great job on the procedure. The only suggestion I can add is to use 3M-4200 above the waterline and 5200 below. This was the advice given by one of our local yards that has a reputation for doing quality work. Others will disagree about using 5200 anyhere. IMHO, I want to make sure that any seal below the waterline will never fail and 5200 gives me that assurance, FWIW. Terry
 
Jun 6, 2006
6,990
currently boatless wishing Harrington Harbor North, MD
Transducer

Your transducer problem could just be marine growth on the bottom. I get this toward the end of the season from time to time. Scrape off the shells and she works fine.
 
Status
Not open for further replies.