Hoover PowerMAX Istruzioni operative

PowerMAX Canisters

PowerMAX canister models were introduced in 1993

as replacements for Spectrums, which they resemble

in appearance.

ALL PowerMAX canisters have power nozzles.

Nozzle motors are turned on (rug) and off (bare) at the

hose grip.

POWER

VARIABLE

CONTROL

Power nozzles packed with PowerMAX models are all

the style shown at the left with two brush brush roll,

headlight and belt check window,

All nozzles used with the PowerMAX have a belt check

window on the top.

On all models (on/off on unit or hose) the hose must be

plugged into the P.T.O. receptacle of the cleaner

before the canister will operate.

Variable speed motors are in some PowerMAX models.

Motor speed can be varied on the unit on some models

and on the hose on others. See drawings.

ALL POWERMAX models:

•Use Type "S", 7 quart, micro filtration T/A bags (std

"S" bags will work)

• Have reusable secondary filters in the bag cavity to

catch any fine dirt which may get past the T/A bag,

These filters can be washed in warm water.

• Have washable micro filters to clean exhaust air

even more before it is returned to the room. See

drawing.

• Have 25' cords on a cord reel

• Have covered tool storage on the cleaner

• Include a 4 piece tool set

• Have "check bag" indicators

• Have bag lid hinges designed to break away if the

lid is opened too far

4/93

Prominent parts of one PowerMAX model are shown

in the drawing below.

Refer to the Hoover Service Manual for repair proce-

dures and to the Microfiche Parts Catalog -- (dark

brown header) - for spare parts.

REMOTE

CONTROLS

SECONDARY

FILTER

CORD

REEL

TIA MICRO

BAG FILTER MOTOR

POWERON

LIGHT

POWER

ON/OFF

CHECK BAG

INDICATOR

WINDOW

LAMP

BRUSH ROLLER BELT

4/93

SERVICE INSTRUCTIONS

POWERMAX/SPECTRUM/FUTU RA

CLEANERS

Service Dept. 1/96

PowerMAX/Spectrum

!BRAKE

ARM SWITCH

POWER LIGHT

MOTOR

MOTOR RETAINER

SWITCH

MOUNTING PLATE

HEOSTAT

SPEED CONTROL

,SPRING

BAG UD

EXHAUST

FURNITURE

GUARD

EXHAUST RLTER CASSETTE

BAG LID BAG

;AG COLLAR

SEAL RLTER

RETAINER

CORD REEL __

ASSEMBLY COLLAR

SUPPORT

SECONDARY RLTER

RECEPTACLE

ASSEMBLY

CORD

_. HANNEL

COVER

WHEEL

CARRIER

ASSEMBLY

I. General

The Futura, Spectrum and PowerMAX clean-

ers are straight air suction type canisters

designed to work efficiently at 120 Volts, 50

Hertz.

Features include:

Full bag indicators

Tool storage (hinged tool covers on Spectrum

and PowerMAX models)

150 ohose swivel at suction inlet

Seven quart throw away bag - Type S

Cord reels on deluxe models

Power Surge on deluxe Spectrum models

Powered nozzles on deluxe models

II. Basic operation

Futura

On Futura models, an on/off switch on the unit

provides power to the unit and powered

nozzle (where applicable). All models are

single speed.

Spectrum

On top of the line models, both the on/off

switch on the unit and hose must be activated

to power the unit. A rheostat located on either

the unit or the hose controls the motor speed.

Some models have a surge button on the

hand grip to increase the speed of the pow-

ered nozzle motor.

PowerMAX

On top of the line models, both the on/off

switch on the unit and hose must be activated

to power the unit. A rheostat located on either

the unit or the hose controls the motor speed.

Top of the line models incorporate an on/off

switch on the grip that controls the powered

nozzle.

Wiring diagrams are listed in the back of this

instruction.

III, Disassembly

A. Hose Assembly

Futura current carrying: This hose cannot be

disassembled and must be replaced as an

assembly.

• Futura straight air: To remove the hose grip,

use a flat punch to push in on the plastic

bosses on both sides of the grip while pulling

outward on the hose.

HOSE GRIP

To remove the hose connector, grasp and pull

outward while twisting•

HOSE CONNECTOR

Spectrum-PowerMAX hoses: The grip control

panel assm. (Rheostat and rocker switch)

latch, ring, inner tube and connector assm.

can be replaced by disassembling the right

and left hand grip halves.

Current

Hose Assembly INSULATING

SLEEVE

GRIP CONTROL PANEL

ASSEMBLY (Includes

Rocker Switches & Rheostat)

\._RIP- L,H,

RELEASE

LATCH

PLUG

LATCH

HOSE GRIP

(MALE END)

RE'TAINING

RING

,. LATCH

RING

GRIP - R.H. 4NER TUBE

ASSEMBLY

1. Remove retaining ring on end of hose grip.

a. Retaining ring is a bayonet type assembly -

rotate ring counterclockwise and pry off end

of grip.

2. Remove four screws in handle grip.

Note the position of wiring for ease of reas-

sembly.

B. Hose/Hose grip (male end)

The hose grip cannot be disassembled. If the

hose or grip are damaged the hose must be

replaced as an assembly.

The pigtail cord in the grip can be repaired

using a service repair kit.

DESCRIPTION

40300051 Service cord repair kit

2 wire

40300052 Service cord repair kit

3wire

Cleaner assembly

Note: Before making any repair or adjustment,

bag lid and paper bag should be removed.

A. Bag lid

1. Lift bag lid latch and open bag lid.

2. Push lid open past the first detent, lid will

release.

Note: To reattach lid, align hinges with

appropriate slots and push them into main

body.

3. Remove hinges (snap fit - release tab - lift

out).

4. Remove bag lid latch.

a. Release latch spring on indentation in bag

lid and slide latch out (snap fit).

5. Remove full bag indicator.

e. Snap fit - release holding tab on support

rib.

6. Remove bag collar seal.

B. Bag collar support

1. Snaps out -pivot support upward toward

handle.

C. Secondary filter/filter retainer

1. Pull off filter retainer, friction fit, lift out filter.

D. Tool lid (where applicable)

1. Friction fit -lift lid upward and tilt backwards

until lid pops free.

2. Remove cleaning tools.

E. Exhaust (micro) filter (Spectrum/

PowerMAX units)

1. Pull up - slide out.

2. Open grid on cassette and remove filter.

F. Motor cover

1. Remove the three mounting screws and lift

off cover (Screws are located in tool cavities.)

2. After the motor cover is removed, note

proper wire locations, then release sufficient

wires to allow easy removal of the cover.

G. Switch

1. Remove motor cover (step 1, item F).

2. Disconnect switch leads (one from crimped

insulator).

3. Remove switch pedal. Note: Remove pedal

carefully to prevent losing the spring.

a. Insert at blade screwdriver between pedal

and housing, on either side near hinge.

b. Pry enough to release hinge while pulling

up carefully on the pedal.

4. Remove switch mounting nut.* Switch then

drops down.

Note: When reinstalling switch be sure to

include switch mounting plate.

* The switch style was changed on PowerMAX

and Futura models in mid-1994. The current

switch is a snap-in design as shown below. To

accommodate the latest switch, the switch

pedal was modified by removing the extended

post that contacts the switch button. Both

switch pedals are available in service and

identified on the microfiche parts list as switch

pedal with post and switch pedal without post.

When changing an old style switch you must

also update the switch pedal or remove the

post on the existing pedal.

SWITCH

OLD NEW

_E_DED POST"

NEW

EXTENDED POST

REMOVED

H. Cord reel pedal/brake arm

BRAKE BRAKEARM

SWITCH

•MOUNTING

L.- WIRE CONNECTOR

1. Insert at blade screwdriver between pedal

and housing near the hinge pin nearest the

word cord. (This hinge pin is shorter)

2, Pry enough to release hinge and lift off.

3. Remove brake arm.

a. Lift flap on brake arm upward - release

brake arm body from slot in motor cover -snap

fit.

b, Lift out from top or bottom of motor cover.

I. Power light

1. Remove by pushing upward from beneath

cover.

2. Disconnect leads replace light assembly.

J. Rheostat (Models with rheostat in motor

cover)

1. Remove button on top of motor cover.

2. Release appropriate leads.

3. Release mounting tabs on each end of

rheostat - lift out.

K. Cord reel

The cord reel is replaced as an assembly

only.

1. Remove motor cover (step 1, item F).

2. Disconnect leads.

MOUNTING

SCREW

CORD

FERRELL

3. Push outward on side of main body and lift

cord reel straight up and out.

4. Lay reel aside and remove cord ferrell.

a. Remove mounting screw. (Early models)

b. Grasp back edge of ferrell and pull up and

out.

NOte: The ferrell is carried as part of the cord

reel. When reinstalling ferrell, insert top first

into opening, then push down and into place.

5. Install new cord reel assembly. When

reinstalling cord reel, be sure lead wires are

routed through retainer at bottom of reel. This

is to prevent interference with exhaust filter

frame.

L. Cord (cord reel models)

1. Repeat steps 1,2,3 and 4, section J.

2. Remove preturns on cord reel.

a. Depress brake pad and turn cord reel to

remove preturns. Bracket will turn counter-

clockwise.

3. Unwind the cord from the cord reel.

4. Remove the cord and terminal block.

a. Flex cord reel and slide locating tabs out

of cord reel housing.

b. Unlock the two end tabs and continue to

side the terminal block outward.

5. Removecordand replace.

6. Set cord reelat properpreturns (3).

a. Holdcord reelwith cord reel support

facing upand turncord reel support clock-

wise.

CORD REEL

SUPPORT_

MOTOR

BRUSH CARRIER

BALANCING

RING

FAN COVER

SPRING WASHER

THRUST

WASH:

BRUSH HOLDER

MOTOR

RING

MOTOR

MOUNT

ARMATURE FIELD

COiL

STAR

RING

BRUSH

FAN

M. Motor

1. Remove motor cover (step 1, item F).

2. Remove motor retainer (4 screws).

3. Disconnect the appropriate leads and

remove the motor.

4. Rotate the armature to check for noise or

bearing failure.

5. Remove brush carriers from the motor and

check carbon brushes. Be sure they slide

freely in the holder.

If brushes are worn, replace. Also, check

condition of commutator. If worn, replace

armature.

6. Remove fan cover.

a. Insert a screwdriver in indentations be-

tween fan cover and diffuser and tap with

mallet.

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