Hitachi CV80D, CV80DC User Manual

How to use your

HITACHI
VACUUM CLEANER

MODEL CV80D

CV80DC
CV80DP

CV80DP CV80DC/D

-1-

PART IDENTIFICATION

HOW TO OPERATE

TO INSTALL THE HANDLE

1.Open the bag compartment lid by pulling the bag compartment clamp.

2. Insert the handle into the opening on the top of the cleaner and
tighten screw .

ON-OFF switch

Dust bag full
indicator

Handle

Front cover

Power control knob
(except CV-80D)

Bag compartment
clamp

Furniture guard

Bag compart­ment lid

Duct hose

Cord strage hooks

Flexible hose

Carrying handle

Hose strage hook
& cord strage
hook

Dusting brush

Extension pipes

Crevice nozzle

Handle release pedal
(3 positions)

Curved joint pipe

1

2

Fig. 1

Fig. 2

1

2

-2-

ON-OFF SWITCH

Turn cleaner on or off by pushing downward on the power
switch .

VARIABLE POWER CONTROL (except CV-80D,
Fig.4)

The HITACHI vacuum cleaner CV-80DP/DC has an
electronic power control. The suction power and the rotary
brush speed can be regulated to suit the floor covering by
sliding the control knob . If a stronger suction is required
for thick carpets and hard floors etc., simply slide the knob

to the right side marked . Likewise, the suction can
be reduced for fabrics and curtains etc., adjusting the
knob to the left side marked . mark is for the
economical middle power position.

CORD STORAGE AND RELEASE

1. To store the cord, turn the upper cord storage hook

to the upward position, and wrap the cord around the
hooks.

2. To release the power cord, turn the upper cord storage

hook down ward, then pull off the complete cord.

3. To help secure the cord during use, fix it on the upper

cord storage hook .

HANDLE POSITION

To change the position of the handle, first press with foot
on the handle release pedal at the rear of the cleaner, and
then lower the handle.

(A) Upright position: When the handle is in this

position the rotary brush is automatically raised
away from the floor.

(B) Normal working position: This position allows you

to raise the front of the nozzle head to clear steps.

(C) Low position: For reaching under low furniture.

NOTE: The handle should always be in upright

position when cleaning tools are used.

Fig. 3

Fig. 4

Fig. 5

Fig. 6

3

4

4

5

5

6

3

4

6

5

-3-

AUTOMATIC HEIGHT CONTROL

The HITACHI vacuum cleaner has an automatic height control,which adjusts the
nozzle to the proper height of any carpet pile.

DUST BAG FULL INDICATOR

When the orange sign appears in the window
continuously, change the dust bag.
Never allow the bag to become so full that the dirt may
choke the passages to the bag.
Change the bag frequently when using the cleaner on
new carpets, due to rapid accumulation of carpet fluff.
In case the orange sign is still visible after changing
the bag, turn the cleaner off, unplug the cord and
check whether the duct hose is clogged. If so remove
blockages.
NOTE: If the cleaner is used when the orange sign

appears in the window, it will not draw enough
air and the motor may overheat and may
eventually burn out.

CARRYING HANDLE

To move your cleaner from room to room, carry it by
the carrying handle on the back of the cleaner or roll
it on the rear wheels.

EDGE CLEANING

Brushed edge cleaning is provided on the both sides of
the cleaner to remove imbedded dirt in carpet close to
the skirting board or wall.
Guide each side of the cleaner parallel to the wall or
furniture.

FRONT EDGE CLEANING

The front edge cleaning is a special head function that
provides good performance at the corner and wall
edges of a room.

Fig. 8

Fig. 9

Fig. 7

Fig. 10

Flap

Flap opens at corner

8

9

9

Rear wheels

Edge cleaning

-4-

HOW TO USE TOOLS

Use the tools you require for cleaning hard floors, fabrics
and curtains etc.

1. Ensure the cleaner is in the upright position.

2. Hold the dusting brush and the extention pipe as
shown in Fig.11, and disconnect the dusting burash from
the extention pipe.

3. Turn the hose strage hook counter clockwize, and
remove the flexible hose from the back of the cleaner.

4. When use the extention pipes, remove them from the
back of the cleaner. The extention pipe assembly
consists of two pipes-with one located inside the eter for
storage.

5. The tools can be connected as shown in Fig.13.

NOTE: After having finished using the tools, re-insert the
tools and restore the flexible hose on body.
NOTE: The extention pipes should be re-inserted as shown
in Fig.11.
NOTE: Rotary brush is not disconnected when tools are in
use and care should be taken not to run over the mains
lead.

Fig. 11

12

13

11

10

Fig. 13

10

11

12

13

Fig. 12

Using the dusting brush

Using the crevice nozzle

Using the fabric nozzle

-5-

HOW TO CLEAR A BLOCKAGE

If your cleaner is used when the dust bag is full or any blockages are sucked in by
accident,the air ducts may become clogged. If this occurs, remove the blockages
or obstructions from the air ducts as follows.

CAUTION: Be sure to disconnect the plug from the electrical outlet.

＊DUCT HOSE

1. Change the dust bag. (See page 6)

2. Turn the cleaner over. Release the handle to the middle position. Remove the
3 screws from the belt cover .

3. Remove the belt cover, and take off the hose supporter to check the duct
hose .

4. To remove the duct hose, twist it clockwise.

＊FLEXIBLE HOSE

1. To disconnect flexible hose from the suction
inlet, press two joints firmly.

2. After removing blockage from the flexible hose
and/or suction inlet, replace the hose and
connect securely.

＊JOINT PIPE

Blockages may be cleared by separating the
curved joint pipe from the hose. To separate the
joint pipe, depress the two claws which are
located in the holes on both sides of joint pipe
and pull apart.
To re-connect push hose back into joint pipe and
twist until two claws locate with holes .

Fig. 16

Fig. 17

18

19

21

20

5. After removing blockage from the duct hose, reinstall the duct hose by twisting
counterclockwise, and replace the hose supporter on the case securely.

6. Place the four projections of the belt cover to the windows provided on the
front end of case and replace the belt cover, and re-fasten the screws securely.

14

15

16

17

18

19

20

21

20

21

Fig. 14

Fig. 15

14

15

16

17

Fig. 18 Fig. 19

-6-

HOW TO EXCHANGE THE DUST BAG

＊TAKING OUT THE DUST BAG

1. Remove the plug from the electrical outlet.
Open the bag compartment lid by pulling the bag compartment clamp as shown
in Fig18.

2. To remove the dust bag supported by the bag holder, push down the top end

of the bag holder, then pull it out carefully.

＊FITTING THE NEW DUST BAG

1. Insert the bottom of the cardboard collar into the collar support of the
dust receptacle, and push the top edge until it catches behind the lug of the
bag holder.

2. To replace the bag compartment lid, first insert the projection of the lid into the
groove on the cleaner and push into place.

3. Make sure you always have available spare paper bags.
The HITACHI PAPER BAG has been made especially for your cleaner.
Paper bags may be purchased from your local dealer or from a HITACHI
service center. In the event that replacement bags(or drive belts) are not
available at your local shops, for where to buy please contact 01628 643000.

NOTE:To avoid using the cleaner without the paper bag, the clamp system of
your cleaner prevents the bag compartment lid from being clamped when the
paper bag has not been replaced, or has not been set properly in place.
NOTE:Put the bottom end of the paper bag into the bottom of the bag
compartment so that the bottom end of the paper bag could not be caught
between the bag compartment lid and the cleaner.

Fig. 20 Fig. 21 Fig. 22

22

23

24

25

26

23

22

24

25

26

24

25

-7-

CARE OF AIR FILTERS

＊MOTOR PROTECTION AIR FILTER(Fig. 22)

Once or twice a year, or when it becomes visibly
soiled, the motor protection air filter may need
cleaning.

1. Remove the filter from the bottom of the bag
compartment as shown in Fig. 23 and wash in
warm water.

2. After washing the filter, dry thoroughly away from
direct sun-light and fit it back into the cleaner.

NOTE: If the air filter is used when wet, suction is

impaired and the motor may be damaged.

＊AIR FILTER (for CV-80D)

HYGIENIC AIR FILTER (for CV-80DC)(Fig.
24,25)

Your vacuum cleaner has a highly efficient
electrostatic exhaust air filter to trap even the finest
dust particles in the exhaust air.
Once or twice a year, when the filter gets dirty,
change the filter as follows.

1. Open the front cover .

2. Remove the old filter from the cleaner.

3. Fit a new filter in th cleaner.

Hygienic air filters may be purchased from your local
dealer.
In the event that replacement filters are not available
at your local shops, for where to buy please contact
01628 643000.

＊HEPA CLEAN FILTER (for CV-80DP)(Fig.

24,26)

Your vacuum cleaner has a highly efficient
electrostatic exhaust air filter to trap even the finest
dust particles in the exhaust air.
Once or twice a year, when the filter gets dirty,
change the filter as follows.

1. Open the front cover .

2. Remove the old filter from the cleaner .

3. Fit a new filter in the cleaner.

HEPA CLEAN filters may be purchased from your
local dealer.
In the event that replacement filters are not available
at your local shops, for where to buy please contact
01628 643000.

Fig. 23

Fig. 24

Fig. 25

Fig. 26

27

29

28

30

28

27

28

29

30

-8-

SERVICING AND REPAIRS

CAUTION: Be sure to disconnect the plug from the electrical outlet before

replacing the belt or the rotary brush.

＊HOW TO REPLACE THE BELT

The drive belt should be checked regularly to be sure it is in good condition. If it is
stretched, cracked or cut, it should be replaced.

1. Turn the cleaner over. Release the handle to the middle position.
Remove the 3 screws from the belt cover.(Fig. 27)

2. Remove the belt cover as shown.

3. Lift the rotary brush assembly out of the brush housing and remove the
worn or broken belt .

5. Place one end of the new belt over the motor shaft, and then slip the other end
around the pulley of the rotary brush. Reinstall the rotary brush back into
position.
Press firmly both sides of the rotary brush to be sure they are securely in place.

6. Place the four projections of the belt cover to the windows provided on the
front end of the case and replace the belt cover, and re-fasten the screws
securely.

＊HOW TO REPLACE THE ROTARY BRUSH

Be sure to disconnect plug from the electrical outlet. Remove the belt cover, the
belt, and the rotary brush assembly following the direction previously given.

1. Grasp the rubber end caps and turn them counterclockwise until one of the end
caps comes off as shown in Fig. 29.

2. Separate the rotary brush from other parts.

3. Reassemble each part with new rotary brush as shown in Fig. 30. Be careful
not to forget to install any parts.

4. Screw on the end caps and tighten.

5. Replace the belt, the rotary brush and
the belt cover as described previously.

Fig. 29

Fig. 30

Bearing case

Ball bearing

End cap

Thrust washer

Shaft

Rotary brush

Thrust washer

Bearing case

Ball bearing

End cap

Fig. 28

Fig. 27

14

31

32

17

14

31

32

17

32

-9-

HOW TO MAINTAIN CLEANING EFFICIENCY

● The plug of the power supply cord should be removed from the socket outlet

before cleaning the appliance or undertaking maintenance operations.

● The supply cord on this appliance can only be replaced by the use of special

tools and if it is damaged the appliance must be returned to the manufacturer
or an accredited service agent for repair.

● Change the dust bag before it is excessively filled.

● If the rotary brush becomes jammed by picking up large solid objects, bulky

matter or the like, take it out after unpluging the cord. Remove any threads and
long strings entwined round the rotary brush after cutting through.

● Only Hitachi special composition carbon brushes must be used in this cleaner.

Replacement of the brushes must be carried out by an Hitachi dealer/service
center.

● To clean the cleaner body and attachments, wipe with a soapsuds-soaked

cloth. Avoid using alcoholic content liquids.

TO AVOID ACCIDENTS

● Always disconnect cord from electrical outlet before servicing the

cleaner.

● Be sure to replace a new paper bag after disposing of the full one. There

is a device which prevents the bag compartment lid from being closed
when the paper bag has not been replaced. Do not tamper with this to
use without bags as dust will be sucked directly into the mechanical
parts and may damage the motor.

● Keep fingers,hands,feet and hair away from revolving rotary brush.

● Do not pick up matches,fireplace ashes or smoking material with the

vacuum cleaner as a possible fire hazard may result.

● Avoid picking up sharp objects.They may damage the vacuum cleaner

and the bag.

● Do not use the clener to pick up wet dirt,and avoid using it in a wet and

moist place as moisture may damage the motor and other mechanical
parts.

● Do not block the air flow. Any blockages or obstructions to the nozzle,

hose, etc. or the exhaust air outlet can cause loss of power and motor
overheating.

● Do not run the cleaner over cord. It may damage insulation.

● Avoid cleaning the switch and receptacle parts with wet cloth and

splashing water on it as moisture may cause a short circuit.

● Your vacuum cleaner is not a toy. Do not allow children to play with it. Do

not leave the vacuum cleaner connected to an electrical outlet
unattended.

● Warning:Electric shock could occur if used outdoors or on wet surfaces.

● Warning: During use of the (accessory) tools, the rotary brush will continue to

rotate and care must be taken to keep hands and the mains lead clear of the
underside of the vacuum cleaner.

● Warning: When using accessory tools, the rotary brush will continue to rotate,

so care must be taken not to leave the vacuum cleaner standing on an uneven
surface, e.g. stairs, as this may result in damage to a carpet or other surface.

● Warning: Do not leave the vacuum cleaner running continuously on one part

of a floor surface, e.g. when answering the phone, as this may result in
damage. Switch off the vacuum cleaner.

3-J1861-3

IMPORTANT

The main slead on this equipment is supplied with a moulded plug
incorporating a fuse, the value of which is indicated on the pin face of the
plug. Shoud the fuse need to be replaced, an ASTA or BSI approved
BS 1362 fuse must be used of the same rating. If the fuse cover is
detachable never use the plug with the cover omitted. If a replacement
fuse cover is required, ensure it is of the same colour as that visible on the
pin face of the plug. Fuse covers are available from your dealer.

DO NOT cut off the mains plug from this equipment. If the plug fitted is
not suitable for the power points in your home or the cable is too short to
reach a power point, then obtain an appropriate safety approved extension
lead or consult your dealer.

Should it be necessary to change the mains plugs,this must be carried out
by a competent person, preferably a qualified electrician.

If there is no alternative to cutting off the mains plug,ensure that you
dispose of it immediately,having first removed the fuse,to avoid a possible
shock hazard by inadvertent connection to the mains supply.
IMPORTANT
The wires in the mains lead are coloured in accordance with the following
code:

Blue=Neutral, Brown=Live
As these colours may not correspond with the coloured markings identifying
the terminals in your plug, proceed as follows:
The wire coloured BLUE must be connected to the terminal marked with
the letter N or coloured BLUE or BLACK.The wire coloured BROWN must
be connected to the terminal marked with the letter L or coloured BROWN
or RED.

On no account connect either of these wires to the terminal marked E or by
the earth symbol or coloured green or green and yellow.

THIS PRODUCT CONFORMS WITH THE PROTECTION
REQUIREMENTS OF COUNCIL DIRECTIVES 89/336/EEC,
92/31/EEC, AND 93/68/EEC RELATING TO ELECTROMAGNETIC
COMPATIBILITY.

Hitachi, Ltd. Tokyo, Japan

International Sales Division

THE HITACHI ATAGO BUILDING,

No. 15 –12 Nishi Shinbashi, 2 – Chome,

Minato – Ku, Tokyo 105-8430, Japan.

Tel: [phone]

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