Hoover Twin Chamber Istruzioni operative

SERVICE INSTRUCTIONS

,HOOVER - BAGLESS

CLEANERS

o41oo 149 E -1

Upper Handle

Handle Cover Rear

Di_ Cup_

HEPA

Handle Cap

Front Cover

Pre-Filter __ Rear

Dirt Cup _,_

pport

Latch Shaft

Spring

Filter Grille

Housing

rool Rack @

Hood "

Front Cover

Lens

Seal

Motor

Lamp

Cam Actuator

Rear Axle

Nozzle Height

•Cam

Main Body

Valve

Cam Ac_

Spring

Front Wheel Assem. Bottom Plate

gitator

Litter Picker

o4100 149 E -2

I. General

The Hoover Twin Chamber TM Bagless upright cleaners

were first introduced in mid - 2000. The initial line

consisted of three models.

• Handle

Handle Swmtch

Wand

Extension

Wand

Head

Light- Stair Clng

Soft Guard Carpet Hood

furniture Height Adj

protector

II. Operation

These Bagless models operate on a direct (or dirty) air

system. The air that brings the dirt into the unitpasses

the motor fan area and goes directly to the dirt receptacle,

in this case, the dirt cup. It isfiltered and exhausts back

intothe room (See diagram below). (The motor is cooled

from a separate air source.)

The carpet height adjustment lever has 4settings for

carpet cleaning and one for top tool conversion.

It is important that the unit be in the proper setting (carpet

- for cleaning, and cleaning tools - when using the hose

and tools). This will ensure optimum performance.

The cleaning tool hose is permanently attached to the

unit. The air is directed to the hose by adjusting the

nozzle control knob to the cleaning tool position• The

valve gate operates in conjunction with the height

adjustment lever. When the lever is in any one of the four

carpet settings the valve gate is open. The cam is not

contacting the valve gate•

As the lever is moved to the cleaning tools position the

cam locks onto the valve gate and slides it to shut off

suction to the agitator cavity•

Note: The illustrations are shown without the bottom

plate or wheel assembly in place.

04/00 149 E -3

III. Disassembly

A. Twin Chamber TM Dirt Cup Assembly

1. Remove Dirt Cup Assembly by lifting Dirt Cup Latch

and sliding Dirt Cup out of position as illustrated.

2. To remove the Pre-Filter and HEPA filter putt straight

upward on the Pre-Filter Assembly while slightly flexing

the dirt cup outward as shown.

B. Tool Rack

1. To remove Tool Rack, remove screw as illustrated and

slide tool rack up and off of cleaner.

C. Handle Cover IHandle Cover Rear

t. To remove the Handle Cover Rear remove 2 screws

as illustrated.

2. Remove Handle Cover Rear by pivoting top of Cover

backwards and lifting out of place.

3. Remove 2 screws holding Handle Cover in place as

shown.

04100 149 E -4

4. To remove handle cover, pry handle cover as shown

and pull forward out of position.

D. Dirt Cup Latch

t. Remove 2 screws as illustrated and pull Dirt Cup

Latch straight forward and off of Upper Handle

Assembly.

E. Upper Handle Assembly

1. Pry out ward on back panel of Upper Handle to

release tabs on back of handle as shown. While prying

)ull handle up to release from cleaner.

F. Lower Handle IAttachment Cord

1. To replace Attachment Cord, once the Upper Handle

has been removed, the strain relief can be lifted out of

_osition.

Note routing of cord through hook at top of handle.

2. Remove bolt located as shown so that Lower Handle

can be removed. Once the bolt has been removed the

Handle can be pulled straight up and off of the cleaner.

04/00 14 €,E-5

3. Once the Lower Handle has been removed from the

base of cleaner the Attachment Cord can be lifted out of

Lower Handle and replaced.

Note: The attachment cord has a small bump located on

the end of the plug. This prevents the cord from easily

sliding out of the Lower Handle.

G. Final Filter IFinal Filter Grille

1. The Final Filter Grille can be removed by unsnapping

the grille from the hinges on the Dirt Cup Housing.

2. The Final Filter is placed into the holder with the green

side of the filter facing outward.

G. Front Cover

1. The Front Cover is replaced by removing the 2 screws

as illustrated below. Once the screws are removed the

Front Cover can be lifted off of the Dirt Cup Housing.

Note: The Final Filter Grille should be opened (if it has

not been removed to ease removal of Front Cover.

H. Switch Control IRear Cover

1. Remove 1 screw inside lower cord hook.

2. Release clips located on upper end of Rear Cover by

prying and lifting Rear Cover as illustrated.

3. Once Rear Cover is removed the ON/OFF button can

be released and the Switch Rod slid up and out of the

cleaner.

I. Intake Seal

1. The Intake Seal can be replaced by lifting out of

position. Upon reassembly insure that tab on back of

seal is positioned inside slot on Lower Handle.

o4/oo 149 E -6

J. Hood

1. Remove height adjustment lever.

HeightAdj Lever

2. Remove four screws as illustrated

K. Headlight

1. Remove hood.

2. Remove bulb by pulling straight out of socket; push

new bulb into socket until it locks in place.

L. Bottom Plate

1. Turn cleaner upside down.

2. Remove four screws securing bottom plate.

3, Lift bottom plate up and off of unit.

M. Agitator /Belt

1. Remove bottom plate,

2. Lift agitator out of housing and slide agitator out from

belt.

3. Remove belt from around motor shaft.

N. Front Wheel Assembly

1, Remove cam actuator spring from the front wheel

support retaining boss and remove by pullingout of the

main body retention pocket.

2. Pivot front wheel assembly upward and slide from

retaining slots in main body.

0410o 149 E -7

O. Hose

1, Remove four screws securing L.H. motor retainer,

2. Hose can be removed from motor retainer by

releasing two tabs from under side of retainer.

P. Motor

1. Remove motor retainer R.H. two screws and motor

retainer L.H. four screws.

2. Lift motor assembly upward and off of main body.

Note: When reassembling motor to main body be careful

not to damage motor seal between motor and main body.

Q. Nozzle Height Adjustment Cam ICam Actuator

1. Remove bottom plate.

2, Remove valve gate.

3. Remove front wheel support.

4. Remove hood,

5. Release the two nozzle height adjustment cam

retention tabs.

The spring on the cam is replaceable.

R. Rear Wheels.

1. Release the rear wheel shaft from the main body

retention slots.

Note: The main body must be flexed on one side or the

other of the rear wheels while pulling upward on the rear

wheel shaft and then on the other side of the rear wheel

to facilitate removal.

S. Handle Release Lever

1. Remove hood.

2, Lower handle to its lowest position,

3. Release the handle lever shaft protrusion from the

main body retention slots,

o41oo 149 E -8

T, Motor Assembly

1. Remove handle.

2. Remove hood.

3. Release belt from motor shaft.

4. Remove motor retainer R.H, and L.H.

5. Lift motor oft the main body. Check for the seal at the

inlet to the fan chamber. This seal is friction fit and slides

out of the housing,

Motor service

SWITCH

Serviceable components are listed on the above

schematic. Failure of any component not listed requires

replacement of the entire motor.

Fan

1. Remove light bulb by pulling straight out of the socket.

2. Remove four screws which retain the fan chamber to

the motor end cap assembly.

3. Remove motor end cap assembly by sliding it off the

fan chamber and motor housing assembly.

4. Remove the molded duct seal by sliding it oft the

housings.

5. Lift off fan chamber and remove fan (LH thread)

At this point, you have broken a latex paint seal between

the motor housing and fan chamber cover. It is important

that aluminum tape be installed in its place as shown

below. Motor Brush Holder Assembly

(Replaced as an assembly which includes motor brush

and holder)

1. Remove four screws which retain fan chamber to

motor end cap assembly.

2. Slide fan chamber and motor housing assembly out of

motor end cap assembly.

3. Grasp motor brush holder assemblies with pliers and

slide then outward to release the terminal connection.

Upon reassembly of new motor brush holder assemblies,

)osition holders and slide them into place insuring the

field terminal connection and continue to insert until they

stop.

Do not grasp outside of brush holder with pliers as it

could damage the holder and cause the carbon brush to

stick.

On/off switch

1. Remove fan.

2. Remove brush holders.

3. Remove armature.

4. Remove field assembly

5. Remove switch/attachment cord terminal blade.

o4/oo 149 E-9

6. Remove field winding lead from switch terminal by

uncrimping connection.

7. Remove switch by releasing switch pressure tabs and

snapping switch out of holder.

Note: When installing a new switch, the field winding lead

must be securely crimped to the proper switch terminal.

04100 149 E -10

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