Question about Troy-Bilt 32cc 4Cycle Backpack Blower

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Impeller removal I have the 2 stroke TB2BP and need to remove impeller. How is this done without breaking?

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Since the impeller is mounted on the crankshaft and the crankshaft is part of the engine...you're going to have to hold the engine still while you remove it. Do this by removing the engine's spark plug...turning the engine to where the piston is down near bottom of cylynder and stick a length of clean, soft rope or cord in the cylinder. Then, when you try to take the impeller off, the piston will compress the rope into the head (not hurting anything) locking up the engine and allowing you to do the removal.

Posted on Jul 16, 2010

Testimonial: "brilliant, thank you."

  • Kip55 Mar 05, 2016

    You definitely fixed my problem. Only other thing I'd add is to be sure which way the screw turns on the bolt. Mine was a reverse thread.

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1 Answer

Motor very hard to turn. Bearing at end with power cord turns freely. Bearing against the pump hardly turns. How do you remove the pump and get to the bearing to replace? Should the pump be replaces as...


Vern,

to answer the question "should the pump be replaced as well?)
there are a few things that can answer that question for us. What is the condition of the existing pump? How old is it? Can the impeller even be removed from the shaft without breaking it?

Basically to change the motor bearings you must remove the 10-16 screws on the wet end.
Remove the cap you just unscrewed.
remove the small 1" round shaft cap at the rear of the MOTOR. (on the electrical end) this should come out with just a flathead screwdriver. (if it bends a little its no big deal.)
Lock onto the shaft end we just uncovered with a LARGE flathead screwdriver.
While locked onto the shaft, turn the impeller counterclockwise until removed.
Note: some impellers have a set screw in the center of the impeller.If you have one, it is reverse thread and must be removed by turning clockwise.)

If you are unable to get the impeller off of the shaft, you might as well buy a whole new pump. These pumps are a few hundred dollars, but if you have to purchase a new motor, a new impeller, and a new shaft seal at the very least, then the cost is right up there with a new pump.

If you can remove the impeller, keep reading.
Next remove the (4) - 1/4" hex through bolts located on the motor at the electrical end.
With the impeller removed and the through bolts removed, the wet end should now seperate from the motor.
To remove the bearings, we must seperate the front faceplate from the motor housing by taking a large flathead screwdriver to the small flat notch in between the plate and the motor housing. Pry in small even incriments all the way around the plate to remove this safely.

Once this is done, the bearing can be removed. For this we need a good quality bearing puller (these can be expensive and if you dont own one this is another reason to buy a new pump.)
Lock the 2 arms of the bearing puller around the outside of the bearing, and lock the center pin on the shaft and turn clockwise to remove.

When installing the new bearing, use a piece of 3/4" metal electrical conduit about 6-8 inches inlegth.
Place the bearing on the shaft and fit the electrical conduit on top of it, making sure to only apply pressure to the RACE of the bearing (the inside track) tap lightly until the new bearing is in place.

Once this is done, reverse these instructions to reassemble.

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1 Answer

I have a Sta Rite Model ANC 30L Code 1F93C and I need to remove the impeller to clean accumulated manganese build up- I pulled the 4 mounting bolts and am afraid to pry for fear of breaking something- any...


When you open the pump up look to see if you have a set screw in the center of the impeller. This is a left hand screw, start by removing it. Remove the diffuser from the front of the impeller. Quite often you can just take a screwdriver and wedge it into the left side of the impeller and hit it a good shot with a hammer straight down to break the impeller free. Then just screw it off.
If that dosn't work then you have to open the back of the motor and get to the end of the motor shaft. The end will be squared off so you can get a wrench on it. Then take a big pair of water pump pliers and get the front impeller and unscrew it.
The metal in the impeller and the steel shaft will stick to each other so you will have to break it free. At that point the seal plate will come off.
When your done and putting it back together be sure to replace the seal and all the "O" rings.
Good luck.

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1 Answer

Impeller rusted on how to remove


removing the Impeller, is actually not that bad. You say it's rusted on but I have to ask why you think it's "rusted". I have to assume it's just on real tight and you just assumed it's rusted. If your removing the impeller I have to assume either you need to place the shaft seal, the motor, or the impeller itself is bad and your replacing it. Either way the procedure is pretty much the same. To remove the impeller you need to lock the motor and unscrew impeller. Depending on the motor, you remove have a cap in the middle of the tail piece and hold with a wrench, usually 9/16", or remove a cap that covers the whole end and grab the shaft with a wrench (usually 7/16") by sliding it under one of the components and then turning impeller. If the impeller has a bolt or screw in the middle remove that first. It should be reverse thread so make sure you don't turn the wrong way and break or strip. If there is no screw, or after you've removed it, just spin the impeller off (it should be counter clockwise standard thread). If you can't do it by hand and assuming you don't have an impeller wrench, be very careful and use a large pliers, pipe wrench, or strap wrench to loosen it. After that you can unbolt the motor from the seal plate. If the Impeller is corroded, or rusted as you say and it's really hard to remove, you just have to man handle it. If the impeller breaks or the brass insert strips out, you'll have to cut it away till you get to the shaft and can use channel locks, locking pliers etc to remove the insert however necessary. It is rare for this to happen, but it can happen. Impellers can break, fail, or strip out like anything else.
Hope this helps. If you need further assistance post a reply in the comments, and don't hesitate to leave good thumb rating if you found this helpful. Thanks, and good Luck!

Sep 29, 2010 | Polaris Pb4 - 60 Booster Pump

1 Answer

I have a whisperflo. I've ran the motor without water and it's quiet. Add water and it makes a pretty good racket (not a bearing whine). I've even tested without my filters to eliminate head pressure) ...


Yes the impeller is screwed on right handed normal thread. *** Info below pasted form one of my other posts *** You need to lock the motor and unscrew impeller. Depending on the motor, you remove a cap in the middle of the tail piece and hold with a wrench, (usually 9/16") or remove a cap that covers the whole end and grab the shaft with a wrench (usually 7/16") by sliding it under one of the components (not sure exact part off top of my head have to look at it) and then turning impeller. If the impeller has a bolt or screw in the middle remove that first. (you already did this.) It should be reverse thread so make sure you don't turn the wrong way and break or strip. If there is no screw, or after you've removed it, just spin the impeller off (it should be counter clockwise standard thread). If you can't do it by hand and assuming you don't have an impeller wrench, be very careful and use a large pliers, pipe wrench, or strap wrench to loosen it.

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1 Answer

How do you pull the impeller off of the shaft for a Dynamo 1-1/2 sn 1-22-EO3?


After you have the pump broken down. Check for a screw in the center of the impeller. If it has one then you will need to remove it. This will be a left handed screw. If that is done then you will need to remove the back of the motor or the small center plate on the back. Then the shaft will accept a wrench to hold it with. Then you should be able to unscrew the impeller with water pump pliers or a large basin wrench. The brass threads on the impeller will kind of stick to the steel of the shaft so it is just a matter of breaking it free, then it will spin easily.
I usually put a screwdriver in the left side of the impeller and give it a sharp smack downward with a hammer.
There are two methods, good luck.

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1 Answer

Removal of Aqua-Flo pump from motor


You will need to pull the front of the pump off then unscrew the impeller. The impeller will be set on the shaft and will take some force to break free. Hold ing the back of the shaft and using water pump pliers on the face of the impeller will usually work but sometimes I will wedge a screwdriver in the fin of the impeller and hit it sharply (not hard) with a hammer to break it free. Then the housing will just pull free of the motor. When replaceing, the impeller just goes on hand tight. Hope this helps and good luck.

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1 Answer

How to get impeller off of shaft if it's not unscrewing


At the rear of the motor shaft it will be squared off. if you can get a wrench on this and then use a impeller wrench or water pump pliers you can probally break it free. You need to check in the center of the impeller for a set screw. (not on all model pumps) This will be aleft handed screw so to remove it you will have to turn it clockwise. If need be you can put a screwdriver in a fin of the impeller and give it a sharp hit with a hammer to break it free. Once your done and reassembling the pump be sure to only hand tighten the impeller. Good luck.

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1 Answer

Impeller replacing on 1999 merc. 25hp 2 stroke


Should not be that hard. Tape up the ends so you can hold it with out getting cut, (if its ragged or sharp from damage). should be one nut holding the impeller on. If its to tight to hold try air or electric Impact wrench. If its bad you can tap with a hammer to help in removing the old one. If it turned on the shaft you will need to rent a puller. Repost if you need more help.

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1 Answer

I disassembled the pump but I can't get the impeller off. It's stripped and needs replacing. I don't want to force it and break something else. What is the best way to remove the impeller? It's the No


I broke the outer circle of the impeller off with a screw driver and then used a Dremel tool to cut the plastic down to the shaft so I could break if off the threaded shaft.

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