Question about Hoover U6437-900 / U6439-900 Windtunnel Bagged Upright Vacuum

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Replace rear arm assembly spring - Hoover U6437-900 / U6439-900 Windtunnel Bagged Upright Vacuum

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Posted on Jan 02, 2017

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reddevil6
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SOURCE: Valve actuator, arm & spring assembly

Could not find a picture of this installed, I have replaced this spring and it is hard to do. You have to put the straight prong of the spring unto the valve arm, you will see a spot for it to be at, then wind the other end of the spring around until it goes into a slot, then get it all together on the agi housing before it comes apart. Hope this makes sense.

87aacd4.jpg

Posted on Feb 16, 2008

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Need to replace main drive belt for sickle bar


Instructions

Put on your work gloves. Check the frame size for your mower. It will either be a 56-inch frame mower or a 76-inch frame mower. When you have determined the frame size, adjust the tractor's rear wheels to the mower's frame size. For 56-inch frames, adjust the rear tractor wheels to 56-inch centers or less. The same rule applies for 76-inch frames.

Back the tractor into a position where you can align its left lower link to the mower's lift link pin. Attach these two parts together and secure the connection with the tractor linchpin.

Roll the tractor and adjust the leveling crank until the tractor's right lower link can be attached to the right link pin on the mower. Use the tractor linch pin to secure the connection.

Attach the upper link from the mower to the lower hole in the tractor rocker arm by using the link pin.

Start the tractor. Using the hydraulic control lever, lift the mower frame assembly slightly and move the mower to the left to allow attachment of the left stabilizer. Place the stabilizer guide under the tractor's left lift link. Position the clamp over the link and tighten the nut firmly

Depending on the tractor type, install the clamp plate or push rod anchor assembly onto the left lower link. Install the push rod on either the clamp plate or anchor assembly.

Shift the mower assembly to the right to attach the right stabilizer. Place the stabilizer guide under the tractor's right lift link. Position the clamp over the link and tighten the nut firmly.

Raise the mower using the hydraulic control, then attach the mower lift spring to the spring links with the pins that have been provided. Lower the mower assembly and turn off the engine.

Remove the tractor power takeoff (PTO) cap and connect the splined end of the mower's drive shaft to the PTO shaft. Secure the connection with the snap coupler found on the yoke.

Rotate the leveling crank to lower the frame, ensuring that it is parallel to the ground. Use the leveling crank lock to secure the crank lever.

Jul 15, 2012 | Vacuums

1 Answer

Replacement of v belt


Instructions1 Place the riding mower on a level surface and set the emergency brake. Open the engine or tilt the seat back to gain access to the battery. Disconnect the negative battery cable with a socket. Turn off the main fuel petcock valve from the tank to the carburetor. Set the attachment clutch in the "Disengage" position. Set the motion control lever to neutral. Place the mower deck lift lever in its lowest position to drop the deck.
2 Pull the belt against the engine drive pulley, then pull upward on it and slip it off the pulley. Unclasp the small clutch retainer spring from the pulley bolt. Detach the big retaining spring and then slide the collar sleeve off. Shove the housing guide out from the br
3 Pull the retainer springs off that hold the rear suspension arms to the rear mower deck bracket. Disconnect the front link arms that hold the front of the mower deck to the chassis. Pull the lift lever to put the suspension arms at full height.
4 Slide the mower deck out from the bottom of the tractor. Tilt the mower deck and prop it up with wood blocks. Use a stiff cleaning brush to remove all mud, twigs and grass clumps. Wipe the top of the deck and undercarriage with a rag.
5 Un-thread the belt from around the idler and mandrel pulley. Place the new belt around the mandrel pulley and idler pulley first, then stretch it up to the drive pulley and loop it into the pulley grooves. Make sure the V part of the belt rests inside the pulley.
6 Use the lever to raise the suspension arms on the deck. Push the deck back under the tractor. Lower the suspension arms and replace all the retaining springs in reverse or the order in which you removed them. Slide the sleeve back into position and secure it with the spring. Reattach the spring to the anti-sway bar. Shove the housing guide back into its bracket.
7 Raise the mower deck with the lever. Reconnect the negative battery cable with a socket. Turn on the fuel petcock valve. Start the engine and engage the main drive lever. Test-drive.

THanks

Apr 02, 2012 | Vacuums

2 Answers

I have a Kirby G5 and need to replace the gear drive shaft, as the lever inside fell off and the shaft came out. (Common problem by the sound of it.) How do i remove the actual gearbox itself. I have...


I have never touched a Kirby vacuum before and my wife had the same issue. The neutral/drive pedal just fell out so I figured I would give it a shot to see if I could fix it and quickly figured out the 3 screws in the bottom plate for the drive unit wasn't the answer.



I was able to figure things out out after I found a parts list with diagrams at the follow web site and address:



Vac Parts Warehouse.com

http://www.vacpartswarehouse.com/category-s/2821.htm



The two parts involved are:

13. Bracket Cam Assembly Neutral Drive Pedal 557689A

16. Kirby Pedal Cam For Neutral Drive G6 558499A



Here's how to get to a point that you can get these two parts in/out of the machine.



- Remove bag and fill tube from handle and main unit

- Remove floor nozzle assembly

- Remove the handle via the two screws at the handle fork plate (these have loctite on them so needed a socket wrench with torex bits to get them out).

- Remove the plastic rear scuff plate vie the screw with the power cord anchor and screw by the Pedal Cam For Neutral Drive. Note release plastic tab in slot in the center and lift from the back and then over the base where the handle attaches.


I did not do this as I removed the the power drive assembly so I could figure out how to put the dive assembly back together. The pressed on arm that drives the cam assembly had pulled of the pedal shaft so this also made it easier to fish out the parts and experiment on positioning the arm in the right spot . I found the arm and a spring washer inside.



I assume at this point you could loosen the screw (don't remove it, it's the only one with a star lock washer on it) on the bottom plate that attaches the Bracket Cam Assembly and slide the Pedal Cam out and a new one in if you can get the part and replace it. The part was 16. Kirby Pedal Cam For Neutral Drive G6 558499A at Vac Parts Warehouse.com. The one listed on the website said it was for a G6 even though the parts listing is for a G5 so I don't know....



To continue to disassemble and take the power drive assembly out:

- Remove the 4 screws from the Cover Shell assembly - the metal top part. You do not need to remove the hinged Headlight Cap that is attached to it.

- Remove the 4 screw from the bracket assembly that has the handle attachment and forward/reverse switch. It attached by two wires. I only disconnect one and swung it to the side.

- Snap off the the on/off switch and disconnect from the Actuating Rod Foot Pedal to Power Switch.

- Remove the 3 screw from the bottom plate of the power drive assembly.

- Remove the drive belt.

- The power drive assembly will now drop out the bottom.



I just put the spring washer and arm back on the shaft and reassembled. I'll see how long that lasts before before buying the new part.



Have fun.

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1 Answer

Vacuum will not pick up dirt. plate in hose stays shut. It has a spring that goes to the plate assemily but will not open. What make it open and close. U6616-900 Hoover Vac Alex


Sounds like you have a valve arm not operating properly. The valve door sould spring open when you lower the handle and will shut when the handle is raised and pushes down on the rear valve arm. See a parts diagram and look at parts 39-41 and 19.

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3 Answers

Valve actuator, arm & spring assembly


Could not find a picture of this installed, I have replaced this spring and it is hard to do. You have to put the straight prong of the spring unto the valve arm, you will see a spot for it to be at, then wind the other end of the spring around until it goes into a slot, then get it all together on the agi housing before it comes apart. Hope this makes sense.

87aacd4.jpg

Feb 15, 2008 | Hoover U6660-900 WindTunnel Bagless...

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