Karcher Nettoyeur cryogénique IB 7-40 Classic: Proper use Function Control elements

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Warning

Do not use the appliance when there are 

other persons around unless they are also 

wearing safety equipment. 

The appliance must not be used if a con-

necting line or important parts of the appli-

ance, e.g. safety devices, spray hose, 

spray gun.

Danger of crushing on account of the dos-

ing equipment. Always remove the ma-

chine plug from the socket before removing 

the protective shield of the dry ice contain-

er.

For the operation of this system the follow-

ing regulations and directives are applica-

ble in the Federal Republic of Germany 

(available from Carl Heymanns Verlag KG, 

Luxemburger Straße 449, 50939 Cologne):

–

BGV D 26 Spray jet tasks

–

Executing instructions for BGV D 26

–

BGR 117 Working in closed rooms

–

BGR 189 Using safety gear

–

BGR 195 Using of safety gloves

–

BGR 500 Working with spraying devic-

es

–

BGI 534 Working in closed rooms

–

BGI 836 Gas warner

If the emergency stop button is pressed, 

the dry ice dosing is stopped and the air 

flow from the nozzle is interrupted.



Release the trigger of the jet pistol. 



Press emergency-stop button.

The dry ice dosing is topped and the air 

flow from the nozzle is interrupted. 



Interrupt the compressed air supply.

The machine is used to remove dirt using 

dry ice pellets that are speeded up using an 

air jet.  

The machine should not be operated in ex-

plosive environments. 

Use only dry ice pellets as jet medium.  Us-

ing any other jet medium can cause dam-

age to the machine. 

The air pressure reaches the jet pistol via a 

pressure regulation valve. The valve opens 

when the trigger of the jet pistol is pressed 

and the air flow comes out from the jet pis-

tol. Additionally, dry ice pellets are dosaged 

into the air stream via the dosing device. 

With the version "IB 7/40 Advanced" the 

additional dosing can be switched off at the 

jet pistol. The dry ice pellets hit the surface 

to be cleaned and remove the dirt. Addi-

tional heat currents are formed between 

the dirt and the object to be cleaned by the 

-79 °C cold dry ice pellets; this results in the 

dirt being loosened. At the same time, dry 

ice immediately gets coverted into gaseous 

carbon dioxide on contact and requires 700 

times the volume of dry ice. Thus, the dirt 

penetrated by the dry ice thus gets thrown 

off. 

During the spraying operation through the 

jet, a vibrator located on the dry ice contain-

er ensures continuous sliding of the dry ice 

pellets.

1 Push handle

2 Cover of the dry ice container

3 Holder for jet pistol

4 Storage compartment for accessories

5 Operating field

6 Coupling of the control cable

7 Earthing rope with clamp (only IB 7/

40 Advanced, option for IB 7/40 Clas-

sic)

8 Coupling spray agent hose

9 Guiding roll with fixed position brake

10 Transport handle, bumper at the rear

11 Dry ice outlet for emptying the container

1 Cable clamp

2 Mains cable with mains plug

3 Pressure relief valve, condensate 

draining of the water separator

4 Compressed air connection

5 Condensate drain-out

6 Fuse F1, below the side panel

1 Statistics key, reset counter

2 Key to empty the dry ice container

3 Display

4 Key "increase jet pressure"

5 Key "decrease jet pressure"

6 Increase the dry ice dosing

7 Decrease the dry ice dosing

8 Power switch

9 Emergency-stop button

10 Key switch

Specifications and Guidelines

Safety Devices

Emergency-stop button

Switch-off in case of emergency

Proper use Function Control elements

Device

Operating field

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EN