Upkeep/Upgrades

A boat, house, spouse, new job, etc.  – anything worth having has its warts,  and these become apparent with time or use.  And one thing you can say is J40 sailors use their boats, because they do so many things well. So here is a compendium of tips the group has found or provided to lighten the task of readying your J40 for the next adventure.   If you have a new one please submit to the editor at aschreit@aol.com.

Maintenance Flow-chart: (apparent credit to propercourse.blogspot.com   Nov, 2011)

Need a loose nut?  WD-40 (above), PB-Blaster,  Liquid Wrench, Goeey Booey or expensive Kroil? Overheard in a sailing bar recently: Kroil is the best of that bunch, but the cheapest route is supposed to be much better…  50:50 automatic transmission fluid & acetone.  Haven’t tried it yet, but the source is quite reliable – try at your own risk.  A container is the problem as acetone can go through many plastics –  use a windex-type spray or eye dropper.

Nothing better than duct tape yet…

New term:  “Percussive Maintenance”  def: Whack the crap out of it with a hammer.

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Send me your J40 project writeups – shoot pictures, even of the party you throw after you finish!


 

 

5-27-2016    NAV Station electrical Panel – Parts still available from BASS, Bristol, CT

Electrical Panel Parts

9000-Series-BASS Products

Stantion Bases – replacement parts  (July 2016)  Stantion Bases

Request from Wes Oliver – 3/28/16

Anyone have experience with a flexible coupling on the drive train? J-40 manual says there is one in the system. Never seen one on my boat. Also, manual says there is a cutlass bearing on the engine end of the drive shaft, looks like inboard of the shaft log. Anyone have any knowledge as to whether that bearing is really there?

Wes – Lark did not have a flex coupling, although I later added one.  No 2nd cutlass bearing on the engine side – just the one at the external strut. I would think two bearings would fight with the engine mounts, where only one near the outboard end of the shaft really doesn’t.  Al

Also from Wes – Another item with sea cocks- my boat has RC sea cocks (Forespar bought RC (NZL) in late ’80’s) I am capping off a no longer used 1 1/2″ sea cock. Heavy use of 5200 on tailpiece threads is making removal of the tailpiece difficult. However, unlike new Forespar Marelon sea cocks, the body of the sea cock is in 2 pieces and the upper piece with the ball valve unscrewed easily. NO 5200 OR OTHER SEALANT. BEWARE. The hose connected to the tailpiece of the sea cock is what secures the sea cock in place!


Propane System:  j40-propane-system

Plastic Through-Hulls – alert:   Plastic-Through-Hull

Tides Marine Sail Track for the Mainsail 12/2015:  Main Sail Groove Track

Cabin Sole:  2/2015:  Cabin Sole

Fresh Water Pressure Pump 11/2014:  New Battery Charger and Fresh Water System Pump

Cockpit Manual BilgePump Replacement Sept/’13:  Replacing the aft bilge pump

Engine Repower Progress Report from LARK  (8.6.2013): Lark-Yanmar

Brad Reed’s Video/Slideshow on reconfig of house side ports – Nepenthe (#22): https://www.youtube.com/watch?feature=player_embedded&v=xmdqeqgbYXg

Holding Tanks: J40Holding Tanks

Aft Anchor Locker and Shower (just pix at this point): Aft Shower Anchor Locker

Repacking the Stuffing Box & Packing Flaxhttp://www.boatus.com/boattech/casey/stuffing-box.asp

Halyard Clutch Maintenance/Replacement: J40 Halyard Clutches 2013

Mal de Mer III – Misc. Upgrades

– circa 2000:  J40 Upgrades, by Ed Huckins: J40 By Ed Huckins

– Boat Diesel Site: http://boatdiesel.com//index.cfm?

Engine Experiences: J40_Engines

Engine Repower –  Volvo D2-40: Volvo 2003 to Volvo D240

J40 Original Rigging Guide: J40RigSpecs

J40 Chainplates: Chainplates

Barient Winch Info:  Barient Winch Info

J40 Rudder Bearings:  Rudder Bearings

Bomar Hatches (still available?): http://www.pompanette.com/bomar

J40 Sails & Measurements:  J40_Sails

Tasco Stove Replacement – on Lark #4:   Replacing the J40 Stove

Bottomsider J40 Cockpit Cushions: – (they have the pattern)http://www.bottomsiders.com/

ICOM M802 Info from Ed Huckins: Icom M802 SSB


  1. #1 by John Bonds jr on July 28, 2014 - 1:11 am

    John B.: Has anyone replaced their water Heater? Mine has begun to die, leak, and needs to be replaced.

    Mine (which has Chinese characters on it) is leaking somewhere & part of it has died. Can’t find a bolt-in replacement element or entire unit with the same footprint. Asked the boys at Waterline-no info in their files. Mine is 5 gallon, Almost square, stainless box 12-1/4 x 12-1/4 x 15″, adjacent to the engine, just forward of the icebox in the water pump/accumulator locker. U got anything different or a better idea?
    – – – – – – – – – – – – – – – – – – – – – – – – – – – –
    Al: John has hull 21. Lark(#4) has a water heater under the side-facing Nav station. I don’t have any info on the water heaters – other than what is in the big manual that came with the boat(it’s on this site). I’ll circulate the query.

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