Karcher IB 7/40 Classic: Start up

- 

3

1 Indicator lamp - control voltage

green: Control voltage OK

red: Control voltage too low

yellow: Emptying of dry ice container 

active

2 Indicator lamp emergency STOP

red: Emergency stop button activated

green: Emergency stop button not acti-

vated

3 Indicator lamp - compressed air

green: Pressure OK

orange: selected jet pressure not 

reached

red: Pressure too low (below 0.15 MPa/

1.5 bar)

4 Indicator lamp – dosing device

green: Drive OK

red: Error in drive

5 Indicator lamp - jet pistol

green: Jet pistol OK

orange: The trigger of the jet pistol was 

activated during the switch-on process

red: Jet pistol disconnected or control 

line damaged

6 Display field

1 Nozzle

2 Jet pistol

3 Triggering lever

4 Safety button

5 Coupling spray agent hose

6 Coupling of the control cable

Only with IB 7/40 Advanced:

7 Key for the dry ice dosing on/off

Illuminates red when the dry ice dosag-

ing is switched off

8 Increase the dry ice dosing

9 Key "increase jet pressure"

10 Key "decrease jet pressure"

11 Decrease the dry ice dosing



Danger

Risk of injury on account of flying dry ice 

pellets. 

While preparing the appliance, check and 

ensure that all components, especially the 

spray agent hose are in proper condition. 

Replace damaged components with de-

fect-free ones.

Clean dirty components and ensure that 

they are in proper working condition.



Place the machine on a horizontal, 

even surface and block the parking 

brakes of the steering rollers.



Connect the spray agent hose to the 

machine and secure it. 



Connect the jet pistol to the spray agent 

hose and secure it. 



Connect the control cable to the appli-

ance. 



Connect the control cable to the appli-

ance. 

Note

The choice of the nozzle depends on the 

material of the object to be cleaned and the 

contamination.

All nozzles can be screwed on top of the 

threading of the jet pistol without using any 

tools. The threaded surfaces on the nozzle 

are to be used to loosen tight nozzles using 

a spanner.



Danger

Risk of injury by the unit starting uninten-

tionally. Switch off the unit before switching 

the nozzles.

몇

Warning

Risk of injury by touching the cold nozzle. 

Warm up the nozzle before touching it or 

wear protective gloves.

Caution

Risk of cold welding Smear the enclosed 

grease on the nozzle threading before in-

stalling it.

Außer der runden Strahldüse, die mit der 

Maschine ausgeliefert wird, further flat and 

round steel nozzles are available as acces-

sories for the machine.

1 Round jet nozzle, short

2 Round jet nozzle, long

3 Flat stream nozzle, short

4 Flat stream nozzle, long, included in de-

livery

5 Round stream nozzle, angled, with rub-

ber coat

6 Flat stream nozzle, angled, with rubber 

coat



Place the nozzle onto the threaded sup-

port of the jet pistol and tighten it by 

hand.

The scrambler crushes the dry ice pellets 

and is mounted between the jet pistol and 

the nozzle. 

The alignment of the 4 holes plates in the 

scrambler indicates the degree of commi-

nution.

Select the degree of comminution:

Display

Jet equipment

Start up

Nozzles

Stream jets

Scrambler (accessory)

15

EN