Question about Toro Blowers Rake and Vac - Electric Blower/Vac - 51573

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Blower does not start takes forever to start if it does atall

Only 2 to 3 years old and has always been hard if not impossible to start

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  • lbrac Mar 22, 2017

    EPA regulations require a lean fuel:air ratio to meet emission standards. Lean mixtures causes engines to be more temperamental when starting and operating. Mixture adjustments on the carburetor, if any, commonly require special tools to fit the mixture screws.

    The procedure I use with cold 2-cycle engines is to prime the carburetor if it has a bulb type primer. If it doesn't have a primer, it might require more pulling of the starter to get the carburetor pump to pull enough fuel into the carburetor before it will fire. Without choking it, pull it over several times. This helps to avoid flooding the engine if it already has enough fuel in the engine to start. If the engine is hot from being used recently, it might not need to be choked, and choking it can cause it to flood when the engine is hot.

    If it doesn't start without the choke, then I choke it and pull it over 2-4 times to get it to fire, but it likely will not run very long with the choke on even if it does start. I then turn the choke off and pull it over to see if it will start. Partially opening the throttle while pulling the starter sometimes helps.

    If the engine gets flooded, try holding the throttle open while pulling the starter. If it will not start, try removing the spark plug and wait before cranking it over to allow some of the fuel to evaporate before replacing the spark plug. Try to start it again without choking it, and hold the throttle open. If it does start, the throttle may need to be held open, at least partially, until excess fuel can be consumed.

    These type of engines can be a real problem to start and operate. And any carburetor mixture adjustments, if any, are made hard to reach or require special tools to fit the mixture screws. Before I look to the fuel delivery system as the reason the engine doesn't start, I check to see if there is a spark at the spark plug after I take it out. There is probably another Q&A about checking for a spark, so I will not try to address that here.

  • lbrac Apr 03, 2017

    I recently had a Hitachi RB24EAP blower that wouldn't start. It started easily when new and for a season of use. It gradually became harder to start, until it wouldn't start at all. It was partially disassembled, It required a puller to remove the rotor, which was tight on the shaft. The end of the crank on the ignition rotor end was tapered and had a Woodruff keyway cut into it. The rotor didn't have a keyway, but there appeared to be a sheared portion of the aluminum in the bore of the rotor where a keyway groove should have been.

    An online parts diagram didn't show a key was required. The key must have been integral with the aluminum rotor. The end of the shaft is tapered and the designers must have thought the rotor would be tight enough to keep it from rotating on the shaft without a key. The key cast in the bore of the rotor was apparently there just to align it on the shaft for proper timing.

    After cutting a keyway groove in the bore of the rotor with a jig saw blade, I used a Woodruff key to reassemble the rotor on the shaft. Now it starts like it did when it was new.



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Try starting fluid a few times. chekc spark filter etc

Posted on Feb 27, 2009


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Doesn't start

Here are a couple quick checks to make on a blower that wont start.

1) Fuel? Check the fuel and see if it's low, watery or just not there. The best thing to do if this is the first run of the season is to drain it and start fresh! Also do this with you seasonal gas can as it can carry water and contaminants too.

2) If you have fuel and carb has been primed make sure fuel is getting to the spark plug. You will need to remove the plug after a few starting attempts and check and see if it is wet. If not, you probably have an obstruction in the carb. Which means disassembly and clearing of debris, wax, or sediment from the fuel. If you dont know how to do this you should get help from a local shop. Carb service is usually 45-60 dollars minimum so the blower should be worth the repair! If it cost less than 100 dollars consider total replacement instead. Also consider getting an electric blower since they dont have these issues from year to year.

3) If the plug IS wet after trying to start it try getting a new plug and make sure the air filter isnt fuel saturated. Remove the air filter cover and filter just to make sure it isnt flooding the blower while you are trying to start it. When this happens the carb can spit loads of fuel out and foul the spark plug. Once fouled a spark plug is virtually impossible to fix. So keep a new plug around for just such an occasion.

4) If you have a clean, fresh plug you can check for spark by taking the old plug out, replacing it with the new plug, and while holding it against something metal on the motor have someone pull the handle a couple times. Be careful since the spark is high voltage and you dont want to get shocked! Keeping the plug grounded and wear heavy gloves should help prevent this.

If you dont see spark you have either a coil issue or a switch issue. The switch is just a ground wire to the coil so disconnecting it and rechecking for spark can rule out a bad switch. If the motor still has no spark after removing switch you probably have a bad coil These are sometimes deep inside the unit and having them replaced is almost always too cost prohibitive. *(follow the 100 dollar rule on this again.)

As always, be safe, wear protection and good luck!

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Blower stays on when car is turned off won't stop running until I disconnect the battery cable, tried the blower fuse that didn't work. 1995 olds auroa

If you pulled the 10 amp fuse in the I/P fuse block and the blower still worked than the the blower motor module is most likely the problem. It is fed by a 30 amp fus4e in the fuse block under the rear seat. That fuse is always hot and always supply power to the blower motor module. If you pull that fuse and the blower stops than it's pretty likely the blower module is the problem.

The blower module is located near the blower motor. It is usually held in place with 2 screws and will have four or five wires at the connector.

I’m happy to assist further over the phone at

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If it is under 2 years old, I would take it to a warranty repair center. The carburetor have been giving some problems so they have needed to be replaced because they are sub standard quality.

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