Interrupting Operation; Shutting Down - Kärcher IB 15/80 Bedienungsanleitung

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Operation

Settings

Note

The settings depend on the substances

contained in the detergent and the type of

dirt.

 Release emergency-stop button by

pulling it.

 If the adjustment button for dry ice dos-

ing has not been set to "OFF", then

briefly turn it to "OFF" to unlock the re-

start lock if there is a power failure.

 Adjust the dry ice dosing at the adjust-

ment knob for dry ice dosing.

As soon as the adjustment knob goes

past the "OFF" position, the indicator

lamp "Device on" begins to glow. The

scale indicates the consumption of dry

ice in kg per hour (kg/h).

 Pull out the adjustment knob for jet

pressure and set the jet pressure.

 Press back the adjustment knob for jet

pressure.

The jet pressure manometer displays

the set value. The jet pressure affects

the speed at which the dry ice pellets

exit from the nozzle.

Note

The higher you set the jet pressure, so

much greater (more agressive) will the

cleaning effect be.

Filling dry ice

Warning

Risk of cold burns. Dry ice has a tempera-

ture of -79 °C. Never touch dry ice or cold

parts of the machine without appropriate

protection. Wear protective gloves and pro-

tective overalls.

 Open the cover of the dry ice container.

 Check the dry ice container for pres-

ence of foreign particles, remove them

if found.

 Fill dry ice pellets into the container.

Caution

Risk of damage to the device. Use only dry

ice pellets as jet medium. The use of any

other spray agent will lead to loss of war-

ranty coverage.

 Close the cover of the dry ice container.

Note

To avoid disruptions in operations on ac-

count of melted dry ice pellets, it would

make sense to fully use up the contents of

the dry ice container before adding fresh

dry ice. If the machine is to remain idle for

a longer time, operate the device until the

dry ice container is empty.

Operation

 Carry out maintenance jobs "daily be-

fore starting work" (see section "Mainte-

nance and Care").

Danger

Risk of injury on account of flying dry ice

pellets. Do not direct the jet pistol on per-

sons. Keep third persons away from the

place of use and when the machine is being

operated (by cordoning off the area).

Do not touch/hold the nozzle opening or the

dry ice jet when the machine is running.

First stop the compressed air supply before

disconnecting the jet gun from the spray

agent hose and the spray agent hose from

the device; remove all pressure from the

system and then pull the plug out of the

socket.

 Cordon off the working area to prevent

persons coming close to the machine

when it is being operated.

Danger

Risk of suffocation on account of carbon di-

oxide. The dry ice pellets are made of solid-

ified carbon dioxide. The carbon dioxide

content in the air at the place where the ma-

chine is used will increase when the ma-

chine is running. Ensure adequate

ventilation at the place of use; if possible,

use an alarm to warn persons. Symptoms

of high levels of carbon dioxide in the air

that is breathed in:

3...5%: headache, faster breathing.

–

7...10%: headache, nausea and per-

–

haps even unconsciousness.

If any of these symptoms occur, please

switch off the machine immediately and get

a breath of fresh air; improve the ventilation

before starting work again with the machine

or use respirators.

Follow the safety specifications of the man-

ufacturer of dry ice.

Warning

There is a danger because of dangerous to

your health materials. If dust that is danger-

ous to your health can be generated, the

appropriate safety measures will have to be

taken prior to beginning work.

Danger

Risk of explosion!

Do not work on light metals and iron-con-

taining substances simultaneously.

If you alternate between working on light

metals and iron-containing parts, the work

area and the suction device must be

cleaned between work cycles.

 Ensure adequate ventilation while

working in closed rooms in order to

keep the carbon dioxide concentration

in the atmospheric air in the room below

the danger level.

 Place the object to be cleaned on firm

ground, if required, and earth it.

 Wear safety gear, safety gloves, close

fitting safety goggles and ear-protec-

tion.

 Switch on the compressed air supply.

 Release emergency-stop button by

turning.

 Set the operating type for the com-

pressed air jet to "1" or dry ice jet to "2"

on the operating type switch of the jet

pistol.

 Choose a safe place to stand, assume

a secure body stance to avoid being

thrown off-balance by the recoil pres-

sure of the jet pistol.

 Press the safety level with the palm of

your hand.

 Activate the dry ice jet by pressing the

trigger and carry out the cleaning oper-

ation.

Caution

Risk of damage to the dosing equipment on

account of dirt. Keep the lid of the dry ice

container closed during the spraying oper-

ation to prevent sprayed off dirt from enter-

ing it.

Switch-off in case of emergency

 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.

Switching on after emergency-stop

 Release emergency-stop button by

pulling it.

 Turn the adjustment knob of dry ice

dosing to "OFF".

 Reset the adjustment knob of dry ice to

the desired value.