Question about Black & Decker Leaf Hog Blower Bv4000

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How do i put my bv4000 blower back together - Black & Decker Leaf Hog Blower Bv4000

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Black and Decker BV4000 type 2 blower switch reassembly?

In case anyone searches this topic (like I did), because I really love this machine (now in its 8th year of service with me), here are some pictures to assist in reassembly so the plastic bits connected to the thumb control actually touch and engage the rocker switch. The type 3 was not recalled (yet) so I jumped the thermal breaker (and I'm watchful now, but not fearful).
  • Pic #1 is the picture of the whole switch assembly, ready to put the housing back together. Notice the gap between the plastic bit and the rocker.
  • Pic #2 is a close up of that same situation (gap is still there)
  • Pic #3 is how to reassemble it. The key is to apply just enough pressure with a skinny flathead screwdriver to push the plastic bit up against the rocker and HOLD IT THERE while you are reassembling the housing, and until you torque down all of the screws.
It is this pressure that keeps it in place. I had my wife hold the screwdriver while I reassembled it. Voila! At least one more season of service :) But, be careful when you use it the first time- make sure the safety that prevents it from running while you change the blower pieces works or you may be in for a surprise!

black-decker-bv4000-type-2-blower-switch-cpvihq5biqol3jnxulxmklnm-1-1.jpg black-decker-bv4000-type-2-blower-switch-cpvihq5biqol3jnxulxmklnm-1-3.jpg black-decker-bv4000-type-2-blower-switch-cpvihq5biqol3jnxulxmklnm-1-6.jpg

Apr 14, 2012 | Garden

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Remove vaccuum tube. Allow the access door for the vacuum tube to shut all the way. Attatch the blower tube where you had the collection back for the vaccuum attatched. That is it.

Feb 01, 2011 | Black & Decker Leaf Hog 12-AMP Electric...

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Need assembly instructions for a black and decker leaf hog bv4000,LH4500.pdf

Nov 27, 2010 | Black & Decker Leaf Hog Blower Bv4000

2 Answers

BV4000 is electrically sparking in the upper part of the motor when running, looks like in/near the windings. Motor has slowed too. Seems hot.

The motor/armature is burnt. It will eventually fail completely. Many times too small a supply cord and too long footage length will overheat the motor. Anything over 25' should have a 12 guage power cord.

I’m happy to assist further over the phone at

Nov 22, 2009 | Black & Decker Leaf Hog Blower Bv4000

2 Answers

I've blown the fuse of my B&D Leaf Hog (BV4000). The local B&D authorized dealer has told me that the fuse is not available. Any suggestions as to where to find such fuse?

Go to, I put the number you have listed and there are four different types of your blower. I did click on type 1 and the part number for the fuse is # 588694-00 for $5.82. Plus you can check the website for another dealer in your area willing to get the parts unless you get them from the website.
Good Day.

Nov 18, 2009 | Black & Decker Leaf Hog 12-AMP Electric...

1 Answer

The BV4000 works only on low speed. Is there anything I can do to fix this problem?

I disassembled the blower housing (orange). The switch is a momentary closed 2 position rocker (DPST?). Anyway, I sprayed electrical contact cleaner inside the switch as well as electrical lubricant. I also sprayed silicone on the convoluted switch linkage. That took care of the problem.

Oct 01, 2009 | Black & Decker Leaf Hog Blower Bv4000

2 Answers

My black and decker leafhog blower/vac smells like something is burning

Black and Decker has issued a recall notice for Type 1 BV4000 because "a loose connection between the unit and an extension cord can create heat, posing a possible fire hazard" Says to STOP USING and call 1-866-853-2138 to arrange for free repair. (Found info by Googling "Black and Decker Leafhog", navigate to Black and Decker website and click "Important Safety Recalls" button at bottom of page.)

Nov 08, 2008 | Black & Decker Leaf Hog 12-AMP Electric...

2 Answers

The leaf hog BV4000

Put the switch in the center off position. That allows you to press the big black button in the front and take the vacuum attachment off. Replace the vacuum with the blower attachment and you should them be able to blow rather than vacuum.

Oct 25, 2008 | Black & Decker Leaf Hog 12-AMP Electric...

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