Kärcher NT 45/1 Tact Manual de usuario

English 5.906-498.0 Rev. 00 (09/09) 1

NT 45/1 Tact Te Ec

Service Manual

2 English 5.906-498.0 Rev. 00 (09/09)

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 11

7 Troubleshooting 11

8 Technical specifications 12

9 Circuit diagram 13

English 5.906-498.0 Rev. 00 (09/09) 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:

– Brushless electric motor allows a long product life.

– Automatic filter dedusting

– Socket

– Stepless regulation of the suction force.

– Cable hooks for suction hose cable coiling system.

– Suction hose connection with bayonet system.

– Holder for floor nozzle, suction pipes and crevice nozzle.

– In addition to the main filter, a filter bag may be used.

1 Preface

Subject: Fall 109891

2 Safety instructions

2.1 Hazard levels

3 Technical Features

4 English 5.906-498.0 Rev. 00 (09/09)

1Electrodes

2 Suction hose

3 Cable hook

4 Air outlet, working air

5 Suction head lock

6Impeller

7 Air inlet, motor cooling air

8 Dirt receptacle

9 Steering roller bow

10 Suction head

11 Steering roller

12 Suction support

13 Floor nozzle

14 Suction pipe

15 Carrying handle

16 Filter cover

17 Bender

18 Rotary switch for suction output (min-max)

19 Indicator lamp

20 Socket

21 Automatic filter dedusting

22 Main switch

23 Flat fold filter

24 Filter dedusting

4 Parts of the system

315 16

78910111213

English 5.906-498.0 Rev. 00 (09/09) 5

25 Floor nozzle holder

26 Holder for floor nozzle

27 Holder for suction pipes

28 Power cord

29 Nameplate

Danger

First pull out the plug from the mains before carrying out any tasks

on the machine.

1 Grounding contact

2 Left electrode

3 Rubber foam string

4 Filter casing

5Powercord

6 Flat fold filter

7 Right electrode

Replace the moss rubber string, grounding contact if neces-

sary.

1 Fastening screws for hood

2 Carrying handle

3 Fastening screws for the cover of the filter lid

4 hood

5 Cover of the filter lid

Unscrew the fastening screws for the hood.

Remove the carrying handle.

Remove the hood.

Unscrew the fastening screws for the cover of the filter lid.

Remove the cover of the filter lid

5 Basic settings and service procedures

5.1 Suction head (view from below)

1765

4 3

5.2 Suction head (view from above)

1233

53 1

6 English 5.906-498.0 Rev. 00 (09/09)

1 Electric solenoid

2 Solenoid plate

3 Spring, hard

4Oring

5 Support

6 Filter cover

7 Spring, soft

8 Valve disks

9 Magnet-holder

1hood

2 Connecting cable for electric solenoid

3 Electric solenoid

4 Fastening screw for solenoid holder

5 Filter cover

6 Cover of the filter lid

7 Magnet-holder

8 Solenoid plate

Disconnect connecting cable for electric solenoid.

1 Filter casing

2 Control chip

3 Main switch

4 Switch for filter shake off system

5 Turbine circuit board

6 Connecting cable for electric solenoid

7 Insulating mat

8 Button, switch for filter shake off system

9 Button, main switch

10 hood

11 Filter dedusting

12 Power cord

13 Air input

14 Flat fold filter

Disconnect the connecting cable for the electric solenoid from

the circuit board.

Pull out the connecting cable.

Replace the connecting cable.

Note: In order to avoid excessive pull on the connecting cable, the

installation of the connecting cable must take place with the filter

lid open.

1 Connecting cable for electric solenoid

5.3 Filter dedusting

5.4 Replace connecting cable for electrodes

187

326 4

8 5

4679

12 1413

English 5.906-498.0 Rev. 00 (09/09) 7

Insertanewconnectingcable and connectittothecircuitboard

andtheelectricsolenoid.Routethecablesas shown in drawing

(dotted line box).

1 Instrument panel

2hood

Note: Duringthe installation ofthehood, make surethattheguides

of the hood (see arrows) and the instrument panels engage each

other.

Note: Surface A of the hood and surface B of the turbine housing

must touch each other once installed.

Install the hood.

Pull the circuit board out toward the top.

Disconnect all connecting cables from the circuit board.

Replace the circuit board.

Connect the new circuit board as per the circuit diagram.

Unscrew the fastening screws for the turbine circuit board.

1Fuse

2 Connecting cable to the control circuit board (X61)

3 Connecting cable to the control circuit board (X62)

4 Flat cable to the control dial (X72)

5 Flat cable to the suction turbine

6 Suction turbine

7 Connection to suction turbine, red (X51)

8 Connection to suction turbine, black (X52)

9 Turbine circuit board

Disconnect all connecting cables from the turbine circuit board.

Replace turbine circuit board.

Connect the new turbine circuit board as per the circuit dia-

gram.

Replace the fuse (10 A) if necessary.

5.5 Install the suction head hood

5.6 Replace the circuit board

2 1

X19,X14,X20,X15

X7,X6,X2,X1

X3,X4,X5X16 X13

X12,X11

X9,

X10

X7,X2 Turbine circuit board

X6,X1 Anti-interference filter

X3,X4,X5 Filter dedusting

X13 Switch for filter shake off system

X16 Micro switch

X9,X10 Electrodes

X14,X15 Socket

X19,X20 Main switch

X12,X11 Indicator lamp

5.7 Replace turbine circuit board

5.8 Replace the fuse on the turbine circuit board

876

8 English 5.906-498.0 Rev. 00 (09/09)

1 Terminal strip X2

2 Control chip

3 Ground cable (protective conductor)

4 Neutral conductor

5Phase

6Powercord

7 Main switch

Disconnect the ground cable (protective conductor) on the ter-

minal strip X2.

Disconnect the phase and the neutral connector on the main

switch.

1 Turbine casing

2 Cable guide

3 Ferrit ring (anti-interference ring)

4 Clamp for mains cable

5Powercord

6 Filter casing

7 Mains cable grommet

Remove the clamp for mains cable.

Remove the mains cable from the cable guide.

Remove the ferrit ring (anti-interference ring).

Thread the mains cable through the grommet.

Install the new mains cable in reverse sequence.

1 Electrode cable, left

2 Terminal strip X3

3 Ground cable to filter casing

4 Terminal strip X2

5 Control chip

6 Instrument panel

7 Electrode cable, right

8 Fastening screw for interference filter

9 Anti-interference filter

10 Main switch

11 Switch for filter shake off system

12 Ground cable of the suction turbine

Remove the fastening screw for the interference filter.

Remove the interference filter and disconnect it.

Replace the interference filter.

Connect the new interference filter as per the circuit diagram.

Remove the main switch or the switch for the filter shake off

system and disconnect it.

Replace the main switch or the switch for the filter shake off

system.

Connect the new main switch or the new switch for the filter

shake off system as per the circuit diagram.

5.9 Replacing the mains cable

135 47 26

5.10 Replace the interference filter

5.11 Replace the main switch and the switch for the

filter shake off system

10 11 17

8 12

English 5.906-498.0 Rev. 00 (09/09) 9

1 Indicator lamp

2 Rotary switch for suction output (min-max)

3 Micro switch

4 Instrument panel

5 Socket

Replace the control lamp, the socket, the micro switch and the

control dial if necessary

1 Fastening screws for turbine housing

2 Turbine circuit board

3 Turbine casing

4 Suction turbine

Pull the connection plug off the turbine.

Unscrew the fastening screws for the turbine casing.

1 Upper turbine seal

2Powercord

3 Electrode cable, right

4 Suction turbine

5 Filter casing

6 Electrode cable, left

7 Insulating mat

8 Ground cable of the suction turbine

9 Turbine casing

Remove the turbine casing.

1 Medium turbine seal

2 Adapter plate

3 Filter casing

4 Ground cable of the suction turbine

5 Suction turbine

Unscrew the ground cable of the suction turbine.

Remove the medium turbine seal.

Remove the suction turbine.

Place the medium turbine seal onto the new suction turbine.

Note: Make sure that the adapter plate is placed properly.

5.12 Replace the control lamp, the socket, the micro

switch and the control dial.

5.13 Replacing the suction turbine

5 4

678 9

4 5 1

10 English 5.906-498.0 Rev. 00 (09/09)

1 Filter casing

2 Suction turbine

Place the new suction turbine on the adapter plate and align it

as per the drawing (dotted line).

Screw on the ground cable.

Install the turbine casing in the reverse sequence.

Connect the connection plug of the turbine.

1 Left electrode

2 Electrode cable, left

3 Electrode cable, right

4 Right electrode

Disconnect the connecting cables from the circuit board and

the electrodes.

Replace damaged connecting cables.

Replace the electrodes.

Install new connecting cables in reverse sequence.

5.14 Replace the electrodes

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