Having problems with your Hoover U6437-900 / U6439-900 Windtunnel Bagged Upright Vacuum ?

Actuator arm for Hoover U6473-900 vacuum's drive broke

\015 I got the transmission out, but need to know how to remove and replace the old actuator arm/lever. Do I need to pull the belt pulley axle far enough out that I can get the clutch plates and rocker arm out? Also, will I have a problem if I slide that axle out all the way? I want to replace the plastic pulley on the one end, as it is chipped. Thank you.\015

Answers :

I just changed the actuator arm on my girlfriend's 6437-900 and it's pretty straight forward. Not certain how you got the transmission out, but here's what I did:
-unplug the vacuum
-remove the 4 screws and the plate over the roller brush as well as the roller brush
-remove the two screws and the plastic cover over the end of the hose on the right side.
-remove the 2 screws down in the bottom of the housing on either side of the drive wheels
-remove the single screw in the middle/bottom of the housing
-push the two tabs on the inside of the outer edge of the housing to remove the top cover
-flip the vacuum over, you'll see an "e" clip holding the actuator arm in place being careful not to lose it
-use a torx bit to remove the old cable hold down
-gently bend the metal piece over the arm back far enough to remove the old arm. Note the slot in the metal piece, you'll need to make sure you get the metal tab in the slot when you reassemble everything.
-put the new arm in, about $8 at a Hoover repair store
-put the metal piece over the rod that the e-clip fits into, making certain the tab and slot are aligned
-press down on the metal piece once it's on the rod with the tip of your screwdriver so it snaps in place, carefully put the e-clip back in it's slot on the rod.
-put the cover back on, lay the vacuum flat, put the cable end in it's channel on the arm, tighten the hold down.
-flip the vacuum over, plug it in and turn it on, being careful to keep hands, fingers, ties, hair, small children, pets, etc away from the spinning roller brush
-move the handle, still in the off position, up and down to make certain the drive wheels don't move. If they do then readjust the position of the cable on the end of the arm. The wheels should not move at all with the handle in the off position.
-enjoy

Whats a shame is these arms continue to break :(

IMHO - lifting the vacuum with the stuff engaged puts strain on it, just watch it as you lift the vacuum!!

The HOOVER guy claims that vacuuming TOO FAST also breaks these arms. His advice was to "let the machine do the job"

Hope this helps! :D
Repair Help & Product Troubleshooting for Hoover U6437-900 / U6439-900 Windtunnel Bagged Upright Vacuum

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