I have a copy of the original notes that came with my Gori: 2-blade Standard Shaft Installation Instructions
Parts List: (1) Hub I x ea (2 ) Blades 2 x ea (3 ) Pins 2 x ea (4) Shaft nut l x ea (5 ) Allen screws 1 x ea (6,7 ) Allen Screws 4 x ea (8 ) Loctite 243 1 x small bottle (9 ) Allen key 1 x 4mm Please read these instructions prior to installing your new propeller. A) Take the propeller apart — note that there are 2 x alien screws (6,7) that lock each of the blade pins (3) in place. Note that the blades, pins and hub are marked for re-assembly. B) Check that the hub fits the shaft taper without interference from the key. To do this first slide the hub onto the shaft without the key in place and mark the shaft at the fwd end of the propeller hub. Now place the key into the keyway and slide the hub back onto the shaft. It should come to the same mark that you had made before. If not then file the key until the hub reaches the shaft mark. C) Check the nut on the shaft thread. D) Mount the hub on the shaft and tighten the nut (4) to the shaft to 70ft/lb-95nm. E) Install the alien screw (5) into the hub to lock the shaft nut. Do this by first smearing the threads with the enclosed Loctite 243. Tighten the screw in place using the allen key supplied. F) Grease the moving parts of the blades-gears- with water resistant grease. Mount the blades (2) and the pins (3) to the hub. Be sure that you mount them in accordance to their numbers. ie #1 and #2. G) Install allen screws (6,7) into aft end of hub using Loctite -243, on the threads. The second screw is a locking screw. Be sure to tighten both in place. H) Check that the blades move freely from open to close. WARNING: • Do not start the engine while the boat is out of the water • The prop may have sharp edges... be careful not to cut yourself • Make sure the blades do not open or close suddenly and trap your fingers • Stop the engine before diving or swimming in the vicinity of the boat • Propeller blades can cause considerable damage when rotating ... be careful. • Do not remove fish nets, rope or similar from the prop with the engine running. • Check that the prop works in both fwd and reverse before each trip. If any strange sounds or vibrations are noticed coming from the propeller stop the engine and investigate the reasons/solve the problem. Other note: Loctite - the spec is for Loctite 243 which is the oil tolerant medium strength version. Everywhere I looked all that was being carried was the Loctite 242 which while it looks the same performs it best when applied to clean and oil free threads. Somewhere I read that even a barely detectable mist of grease on the threads will reduce the breaking strength on 242 substantially, maybe as much as 75%. Michael Brown Windburn C&C 30-1 > Date: Mon, 21 Apr 2014 15:35:16 -0300 > From: dl...@ap.stmarys.ca <mailto:dl...@ap.stmarys.ca> > To: cnc-list@cnc-list.com <mailto:cnc-list@cnc-list.com> > Subject: Stus-List How to remove blades of gori 2-blade prop > > I have a C&C 29-2 (1983) with a 2-blade Gori prop on it. I need to > remove the prop to replace the cutless bearing (without removing the > whole shaft). The blades have to be removed in order to get access to > the nut that would allow the prop to be removed. Does anyone know how to > do this or know where instructions are online? I have been able to loose > the three set-screws in the prop. > > --- Dave > S/V "Vela"
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