Kärcher CV 30/1 Installation and operation manual

New Unit Information
NewUnitInformation02.2004
CV 30/1
1.023-... CV 38/1 1.435-...
5.905-938

NewUnitInformation02.2004
Technicalfeatures CV 30/1, CV 38/1
Page 2 / 25
Design:
– Single-motor brush vacuum cleaner.
– Adjustableheighthandle.
– Adjustable height brush head for adjusting to
the carpet pile.
– Triple filter
– Dust filter (felt filter)
– Protective motor filter
– Exhaust air filter
– Filter full display.
– CV 30/1, working width 300 mm (11.8 in)
– CV 38/1, working width 380 mm (14.9 in)
Drive unit
– Suction motor drives the brush roller via two
toothed belts.
– Brush roller with centrifugal clutch for
protectingthebrushdriveassemblyincaseof
blockages.

NewUnitInformation02.2004
CV 30/1, CV 38/1 Unit functions
Page 3 / 25
View from the front
1 Handle
2 Cable hook, top
3 Mains connection cable
4 Foot lever, brush head unlocking device
5 Rollers (2x)
6 Brush head
7 Rotary height adjustment knob for brush
head
8 Brush head cover
9 Dust filter cover
10 Cover latch
11 Unit switch
12 Top cover
13 Suction tube with suction hose
14 Handle column
13
4
5
7
9
12
10
11
8
6
2
3
14
1

NewUnitInformation02.2004
Unit functions CV 30/1, CV 38/1
Page 4 / 25
1 Retaining lever for dust filter
2 Dust filter (felt filter)
3 Retaining lever for protective motor filter
4 Exhaust air filter
5 Protective motor filter
5
4
3
2
View from the front, opened dust filter cover
Note:
The dust filter (2) and the protective motor
filter (5) can only be replaced if the
corresponding retaining levers (1, 3) are
released.
1

NewUnitInformation02.2004
CV 30/1, CV 38/1 Unit functions
Page 5 / 25
1 Handle
2 Suction hose
3 Top cover
4 Lower cable hook
5 Clamping lever for handle height
adjustment
6 Suction tube
7 Connection for suction tube
8 Rollers (2x)
Rear view
4
7
15
8
9
8
5
6
3
13
11
12
14
16
10
9 Foot lever, brush head unlocking device
10 Upholstery nozzle (accessories)
11 Rear cover
12 Crevice tool (accessories)
13 Locking device for handle column
14 Mains connection cable
15 Handle column
16 Top cable hook
2
1

NewUnitInformation02.2004
Unit functions CV 30/1, CV 38/1
Page 6 / 25
Rear view, rear cover
1 Handle column
2 Retaining screws for rear cover (4x)
3 Rear cover
4 Clamping lever for handle height
adjustment
5 Lower cable hook
6 Locking device for handle column
2
6
5
2
4
2
2
3
Note:
The clamping lever (4) and the lower cable
hook(5)canbereplacedoncetherearcover
(3) has been removed.
1

NewUnitInformation02.2004
CV 30/1, CV 38/1 Unit functions
Page 7 / 25
1 Top cover
2 Retaining screws for upper
cover (2x)
3 Control lamp (red), filter status
4 Mains connection cable
5 Circlip
6 Suction hose connection
View from above
4
3
2
1
2
6
5

NewUnitInformation02.2004
Unit functions CV 30/1, CV 38/1
Page 8 / 25
Upper cover open
1 Top cover
2 Unit switch
3 Unit switch connections
4 Control lamp, filter status
5 Housing for control printed circuit board
6 Earth connection plug
7 Mains connection cable
8 Suction hose connection
9 Circlip
10 Suction hose connection socket
7
10
6
5
3
2
1
4
8
9

NewUnitInformation02.2004
CV 30/1, CV 38/1 Unit functions
Page 9 / 25
Mains connection cable
1 Unit switch
2 Control lamp, filter status
3 Housing for control printed circuit board
4 Clamp for mains connection cable
5 Connection plug
6 Retaining screw for clamp (2x)
7 Mains connection cable
4
6
6
7
3
Replace the mains connection cable
– Pulltheconnection plug (5) offtheunit switch
(1).
– Screw out the retaining screws (6).
– Remove the clamp (4).
– Remove the mains connection cable (7) from
the cable guide.
– Fit new mains connection cable in reverse
order.
2
1
5

NewUnitInformation02.2004
Unit functions CV 30/1, CV 38/1
Page 10 / 25
Printed circuit board
1 Control lamp, filter status
2 Housing for control printed circuit board
3 Mains connection cable
4 Earth connection plug
5 Unit switch
6 Vacuum hose on the printed circuit board
7 Vacuum hose connection
6
2
7
3
5
3
4
Replace the printed circuit board
When installing the printed circuit board with
housing (2) ensure that the vacuum hose (6) is
correctly pushed onto the connection (7). The
vacuum sensor on the printed circuit board
measures the vacuum in the suction system.
Thecontrollamplightsupifthevacuumincreases
(filter bag full). If the printed circuit board is
defective, it must be replaced together with the
housing (2).
Electrical connection, printed circuit board
Vacuum hose connection
5
1
2