Author Topic: Hoover Turbopower Autoflex U2198 - Restoration and Rebuild. (Read 9091 times)

beko1987 · « **on:** July 06, 2020, 08:39:30 pm »

Hi!

Time for another refurb thread, and this one came as one lot of 3. Some we have seen/will see.

From the first generation of Turbopower

From September 1984

Hoover Turbopower Autoflex U2198 - Restoration and Rebuild.

I did the usual before video

Then by the looks of it bought it in from the rain and removed the 2 handle screws

Off

The wiring harness locating peg came out next

Pop the switch out

beko1987 · « **Reply #1 on:** July 06, 2020, 08:43:03 pm »

Undo the wires and remove it all from underneath

Bag time now

To get the bag door off, remove the 3 screws on the trunnion cover. Holding the bag door at an angle makes easy access to the 2 top ones

Lift the whole thing off

I don't usually do this but one of them was broken so I gingerly popped the bag door hinges out, and removed them from their holder

The air freshener, which had mutated into some foul, acrid smelling creature comes off next

Then we can remove the latch and handle for the bag door

beko1987 · « **Reply #2 on:** July 06, 2020, 08:46:43 pm »

The bag clip came off the Sainsburys bag and in the bin that went

Onto the bag fill tube now, 2 screws and it pulls out

Wiring cover next

The motor wires can be unscrewed from the block first

and the whole spine cable can be withdrawn, and the handle socket removed

Time to dig out the autoflex housing screw

Sometimes they just pop out, but usually you need to put a screw into them and pull with pliers

beko1987 · « **Reply #3 on:** July 06, 2020, 08:52:40 pm »

All this cable brake is loose and ready to come out now

We can disconnect the brown wire from the Autoflex assy

But first the blue needs to come out, from by the motor. So...

Height adjuster knob off

Baseplate off

Brushroll off

Hood off

Unplug the wires from the motor and pull them through, then the autoflex unit can be removed

beko1987 · « **Reply #4 on:** July 06, 2020, 08:58:05 pm »

The whole cord reel will loose tension, but don't worry about that for now.

Separate the reel and cable guide by removing the plug on the end of the flex.

Then the brake lever can be removed

Wonder WTF all that string is doing there...

The flex has strain relief in the form of this rubber ring around the first loop of flex

To remove, undo the 2 cord terminal screws

And a cord clamp

Then, feeding the flex out of the rubber ring it can all come off!

I bet the Hoover dealer chaps ruddy hated sticking a new cord on an autoflex turbopower!

beko1987 · « **Reply #5 on:** July 06, 2020, 09:02:03 pm »

35+ years of filth can be seen in the bellows

Back up top though, the cord rewind button can be slid out

The choc block unscrews too

Onto the brushroll now, which was a bit peaky...

I don't think it's a genuine roller, although it's in good nick. Never seen a genuine Hoover brushroll axle rust like that.

Under the bearing carriers was certainly a bit filthy

More grot on the other side

beko1987 · « **Reply #6 on:** July 06, 2020, 09:06:21 pm »

Nice worn Quаltex belt here

Belt guard slides out from underneath

Under the hood was very grimy

Motor has certainly not seen a clean for many decades

Original genuine lightbulb is removed

Then we can get to the back chassis pivot clamps!

Very carefully remove the back chassis from the base

beko1987 · « **Reply #7 on:** July 06, 2020, 09:10:22 pm »

Next up is to remove the big motor clamp

Then we can pull the motor out

I presume it's for use in the home...

The anti vibration sponge was pulled off as it's always full of grit and needs washing properly.

This is something you only do on these first generation Turbopowers, remove the front wheel spring clamps! They did away with these very early on

The wheels and spring then come out as usual

Because the axle is particularly dirty, I dismantled the front wheels too

The two tabs holding the stepper for the height control on can be pushed down and off now

Then removed fully

beko1987 · « **Reply #8 on:** July 06, 2020, 09:15:22 pm »

Furniture guard is removed now

Then the recline lock pedal

Rear wheel caps now (these pop off from behind, never lever them off from the front or you'll snap the tabs)

Then the wheels themselves can come off, removing the small circlip along the way

Nice and un-worn

Time to strip the motor down now. Rubber ends off

Bellows removed

And it's time for wiring! The pictures below make sense to me as I took it apart, but the black wire comes from the first carbon brush

Which is in fab order

beko1987 · « **Reply #9 on:** July 06, 2020, 09:19:17 pm »

Then the red wire goes off to the bulb holder

Which just pulls off

This brown goes from the terminal to coil

The same with the blue on the other side

One last black going to the other carbon brush

Now we need to open the fancase. Pop the 3 metal clips off

and separate the fancase

Using a big flatblase screwdriver in the slot at the back of the belt spindle, turn the fan off the armature

One metal and one fibre washer will sit beneath it. The fan still had sand on it from the before video

beko1987 · « **Reply #10 on:** July 06, 2020, 09:22:34 pm »

Now, undo the 4 screws

and remove the bottom half of the motor

Depress the tabs locking the carbon brush holders in and push those out and that is all the wiring disconnected.

This rusty mess is easier than it looks. A good small screwdriver will pop the metal lock washer up and out. It might split it in 2, which is fine as it pushes back down, and makes it easier to extract

That done, the field coil can be removed from the motor housing

Then the armature itself

The top bearing has anti vibration stuff over it's bearing

It just pops out

beko1987 · « **Reply #11 on:** July 06, 2020, 09:25:26 pm »

Like so

A bearing puller next gets the bearing off

Then the cooling fan twists off too

It was proper clogged up, this is what makes Turbopower cleaners sound like shit nowadays unless they've been done by a collector.

That done, everything was washed

Dried and..

Polished

Then laid out

beko1987 · « **Reply #12 on:** July 06, 2020, 09:27:54 pm »

It came up really quite well!

And with all the metalwork run over the wire wheel, it was time to fit the armature back together, with a nice new 608ZZ bearing

and the spotless cooling fan

Belt spindle end spring and dampers are refitted

and the armature sat in

Then the coil can be fitted in place

beko1987 · « **Reply #13 on:** July 06, 2020, 09:31:10 pm »

The new fancase bearing can go into place and the old clip re-used

Carbon brushes refitted

The 2 halves can then be screwed together. Once all 4 screws are tight, it should spin freely and sound smooth.

The wiring can start going back on now

Then the fan, with the 2 washers first

This next bit looks worse than it is as I was struggling with a drying up tube, and it's just sat on the top of the groove, so when the fancase is refitted it squashes out evenly.

beko1987 · « **Reply #14 on:** July 06, 2020, 09:34:08 pm »

Any squeezage can easily be sorted with a quick wipe down anyway afterwards

We'll refit the bellows (make sure the lock part of the cable tie is at the top of the motor. If it's at the bottom the bag compartment catches it...)