You might be a Ranger owner if...

[NorthernFocus]

...you're happy when it ONLY takes two hours to do what should be a 15 minute impeller change 🙁 Because it's the least time it's ever taken so far.

500 hours on this impeller. Vanes all intact and looked good.

Not even started cracking.

A good bit of wear on the key.

Wear plate will need to be replaced next time.

New impeller ready for install.

 

[Shano]

Very cool, great photos!

 

[knotflying]

I have mine down to 1-1/2 hours. Keep practicing! :lol:

 

[NorthernFocus]

I have mine down to 1-1/2 hours. Keep practicing! :lol:

I saved ten minutes or so this time by not knocking the key loose and having to retrieve it from the inlet hose. But cost myself at least an extra 15 minutes by removing the zip ties too soon from the new impeller 🙁 If all of the stars align just right I'm optimistic that I can get it down to an hour :?

 

[Salmon Fisher]

A couple of questions:

-What is purpose of the zip ties?
-What lubricant is used/needed for the impeller vanes? Does it come with lubricant?

Thanks!

 

[trailertrawlerkismet]

The zip ties are used to squeeze the impeller blades down, making it easier to get the impeller insertion started into the housing. As the impeller starts to go into the housing the zip ties move back or you cut them off one at a time. The lubricant typically comes with a new impeller, in a small packet. Not sure of the liquid type but it’s used to lubricate the housing interior and new impeller to make it easier to install.

Jim F

 

[NorthernFocus]

-What is purpose of the zip ties?
-What lubricant is used/needed for the impeller vanes? Does it come with lubricant?

Jim already answered. I'll just add that if access to the pump is as difficult as it is on my boat I find it easier to install the new impeller without lubricating either impeller or pump at first. Working blind and with only one hand it's just too hard to hold on to the impeller when it's all slimy. With the zip ties the vanes can be squeezed down enough to slide in with little/no contact. When the impeller is in far enough to start pushing the zip ties off if lubrication is needed you can use a spray bottle to squirt a soap solution into the pump to push the impeller the rest of the way in.

 

[Pilotnavigator]

Lube is glycerin, I bought a bottle at a drug store and put some in small plastic bottles. This way I can add more if needed. Do not use ny mineral based lube!

 

[scross]

Dan,
We had an impeller changed at the dock at Ganges by a retired Yanmar factory marine tech three years ago. He did it from start to finish in 45 minutes. That has to be the Ranger Tug 25 Classic Yanmar impeller change Olympic record!

 

[Salty7]

Just did mine, 90 minutes and lots of bad language, it isn't about the pump design, it's about the lack of access. My pump doesn't have a keyway, it has a splined shaft. Mine is a Johnson pump, I suspect the earlier pumps were Sherwood or maybe Johnson changed it along the way. Johnson has finally gained some intelligence and put a threaded end on the impeller so you can actually use a bolt or their puller to pop it out of the pump body. The Johnson impeller part number, for those of you with the splined shaft pump, is 09-1028BT-1 . My engine is a Yanmar 4BY2-150 2012 year.

 

[NorthernFocus]

Dan,
We had an impeller changed at the dock at Ganges by a retired Yanmar factory marine tech three years ago. He did it from start to finish in 45 minutes. That has to be the Ranger Tug 25 Classic Yanmar impeller change Olympic record!

That's pretty impressive. It takes me half that long just to get my body twisted around into position to reach the pump.

...Johnson has finally gained some intelligence and put a threaded end on the impeller so you can actually use a bolt or their puller to pop it out of the pump body...

One of the best investments I've made on the boat was a $20 puller. At least once I figured out how to use it with one hand and blind. If only getting the impeller back in was half as easy.

 

[2islanders]

Hi Salty7- I have the same engine and year and great you have found the impeller number. When I search I can’t find the 95- number but there is the 09- which I think might be the same. Any idea if this is an updated number?? Thanks!


Sent from my iPhone using Tapatalk

 

[Brian B]

I have the Yanmar 4BY2-150. I have changed the impeller 1/2 dozen times and have not needed an impeller puller. I use a pair of bent nose needle nose pliers to pull it out.

 

[Salty7]

2Islanders, that is a good question about the part number. Fortunately, I kept the package and the impeller package says 09-1028BT-1 F7 Series. The packing slip had the 95 number, I fixed it on my post, I trust the package label. The 95 could be a number change or typo by the parts guy.

Brian, I have managed to change it out with pliers too, the threaded end on the new impeller makes it really easy to pull out now with the Johnson puller, which is a titanium bolt. The tool is optional but it is such a pain to do this job that anything which makes it easier is a plus in my book.

 

[2islanders]

Thnaks Salty7- I have only changed mine once (bought the boat 2 years ago) and was pretty happy to change it out in about 2 hours and buying a couple of tools. Having this part number will be a great savings over the $130 it cost me for the one that comes in a package with a Yanmar part number on it!!!! Filters seem to be other items that appear to be severely overpriced from the Yanmar dealers.