Kärcher CV 38/2 Manual de usuario

English 5.906-485.0 Rev. 00 (05/09) 1

CV 38/2

CV 48/2

Service Manual

2 English 5.906-485.0 Rev. 00 (05/09)

Contents

1 Preface 3

2 Safety instructions 3

3 Technical Features 3

4 Parts of the system 4

5 Basic settings and service procedures 5

6 Maintenance and care 8

7 Troubleshooting 11

8 Technical specifications 13

9 Circuit diagram 14

English 5.906-485.0 Rev. 00 (05/09) 3

Good service work requires extensive and practice-oriented train-

ing as well as well-structured training materials.

Hence we offer regular basic and advanced training programmes

covering the entire product range for all service engineers.

In addition to this, we also prepare service manuals for important

appliances - these can be initially used as instruction guides and

later on as reference guides.

Apart from this, we also regular information about product en-

hancements and their servicing.

If you should require supplements, have corrections or questions

regarding this document, please address these citing the following

subject to:

[email protected]

The responsible product specialist will take care of your issue.

Copying and duplication of texts and diagrams as well as

third-party access to this information is permitted only with

the explicit permission of the company:

Alfred Kärcher GmbH & Co. KG

P O Box 160

D - 71349 Winnenden

www.kaercher.com

Danger

Immediate danger that can cause severe injury or even death.

몇Warning

Possible hazardous situation that could lead to severe injury or

even death.

Caution

Possible hazardous situation that could lead to mild injury to per-

sons or damage to property.

Structure:

– Two-motoric brush vacuum

– Height adjustable handle

– The height of the brush head can be adjusted to match the pile

height of the carpet (with indicator lamp).

– 3-fold filter: Dust filter (fleece filter), motor protection filter, ex-

haust filter

– Filter filling display

– CV 38/2: Working width 335 mm (13.2 in.)

– CV 48/2: Working width 430 mm (16.9 in.)

Drive:

– Suction turbine (blower motor)

– Thesecondmotordrivesthebrushrollerbymeansofa toothed

gear (brush motor).

1 Preface

Subject: Fall 108579

2 Safety instructions

2.1 Hazard levels

3 Technical Features

4 English 5.906-485.0 Rev. 00 (05/09)

1 Brush cover

2Brush

3 Brush head

4 Indicator bundle

(CV 38/2 only)

5 Unlocking brushg head

6 Upholstery nozzle

7 Crevice nozzle

8 Handle adjustment

9 Indicator lamp on the filter housing (red)

10 Handle

11 Suction hose

12 Suction pipe

13 Power switch

14 Filter bag

15 Filter cover

16 Motor filter

17 Blower filter

18 Pile height adjustment knob

(Standard series in position 2)

19 Indicator lamp - Electronic brush control (orange)

4 Parts of the system

English 5.906-485.0 Rev. 00 (05/09) 5

1 Fastening screws for rear cover

2 Cable hook

3 Handle adjustment

4 Rear cover

Unscrew locking screws.

Remove rear cover.

Replace the cable hook or the handle adjustment.

Install the new cable hook or a new handle adjustment in re-

verse sequence.

1 Top cover

2 Fastening screws for top cover

3 Power cord

4 Suction hose connection

5 Safety ring

Unscrew locking screws.

Remove top cover.

1 Connection plug of the mains cable

2 Power switch

3 Connection plug of the circuit board

4 Power cord

5 Top cover

6 Ring

7 Washer ring

8 Suction hose connection neck

Remove washer ring.

Insert new washer ring.

1 Connection plug of the circuit board

2 Connection plug of the earth cable (protective conductor)

3 Connection plug of the mains cable

4 Ferrit ring (anti-interference ring)

5 Power cord

6 Clamp for mains cable

7 Indicator lamp

5 Basic settings and service procedures

5.1 Replace the cable hook or the handle adjust-

ment

5.2 Remove top cover.

2 4 5 1 2

5.3 Replace washer ring

5.4 Replacing the mains cable

8 1 2

6 English 5.906-485.0 Rev. 00 (05/09)

8 Circuit board with casing

Pull the connection plug of the mains cable off the appliance

switch (top).

Remove the clamp.

Remove the mains cable from the cable guide.

Install the new mains cable in reverse sequence.

The low pressure sensor on the printed circuit board measures the

vacuum in the suction system. With rising vacuum pressure (filter

bagis full),the indicatorlamp glows.Ifthecircuitboard isdefective,

it must be replaced including the casing.

1 Vacuum hose of the circuit board

2 Circuit board with casing

3 Connection for vacuum hose

Pull the connection plug of the circuit board off the appliance

switch (bottom).

Remove the connection plug of the earth cable (protective con-

ductor)

Remove the circuit board.

Install the new circuit board in reverse sequence.

Note: When installing the circuit board with casing, make sure that

the vacuum hose is properly connected to the connection.

1 Lock the journal for the slide plate

2 Fastening screws for brush head cover

3 Slide plate

Turn the lock journal by 90° in anti-clock-wise direction.

Fold the slide plate up and remove it.

Unscrew locking screws.

1 Pile height adjustment knob

2 Brush head cover

3 Brush head

4 Indicator lamp - Electronic brush control (orange)

Remove the pile height adjustment knob

Remove the brush head cover.

5.5 Replace the circuit board

5.6 Removing the brush head cover

2 1

1 2

3 4

English 5.906-485.0 Rev. 00 (05/09) 7

1 Switch cam

2 Brush motor switch

3 Brush motor

4 Brush motor electronics

5 Safety bumper

6 Brush head casing

7 Bearing bowl incl. spring clamp

8 Fastening screws of the casing top

9 Housing top

1 Drive pinions of the brush motor

2Drivebelt

3 Fastening screws of the drive bearing

4 Drive bearing of the brush

5 Brush motor

Unscrew locking screws.

Pull out the drive bearing.

Remove the drive belt.

Remove the brush motor.

Install the new brush motor in reverse sequence.

As required: Clean the inside of the indicator lamp cover (or-

ange) of the brush head cover of carbon brush residue.

1 Impeller

2 Impeller cover

3Steelspring

4 Metal clip

5 Opening of impeller

1 Filter cover

2 Bearing locations

3 Filter casing

Lift up the complete filter casing and remove it from the bearing

locations.

Remove the filter cover.

5.7 Replace the brush motor

8 9

5.8 Pile height adjustment

5.9 Replacing the suction turbine

11 2 11

8 English 5.906-485.0 Rev. 00 (05/09)

1 Fastening screws of the casing top

2 Housing top

3 Bearing bowl incl. spring clamp and switch cams

4 Bearing bowl incl. spring clamp

Pull the bearing bowls off to the side.

Unscrew locking screws.

Remove the top part of the casing.

1 Suction turbine

2Powercord

3 Terminal strip of the suction turbine

4 Connection cable to the brush head

5 Connection cable of the suction turbine

Remove the suction turbine.

Pull the connecting cable of the suction turbine out of the termi-

nal strip.

Install the new suction turbine in reverse sequence.

Note: The mains cable must be routed as shown in the illustration

within the respective pins (see arrows).

1 Casing bottom

2Powercord

3 Seal

Remove the seal.

Insert new seal.

Note: The seal must be placed precisely into the guide groove of

the casing bottom to protect the suction turbine from contamina-

tion.

5.10 Replace seal

6 Maintenance and care

English 5.906-485.0 Rev. 00 (05/09) 9

CV 38/2

10 English 5.906-485.0 Rev. 00 (05/09)

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