Bedienungsanleitung Kranzle WSC-RP 1200 TS (Seite 9 von 19) (Englisch)

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Pressure control valve/safety valve

The pressure control valve/safety valve protects the high pressure cleaner from

a build up of excess pressure, and is designed not to permit an excess pressure

to be selected for operation. The limit nut on the handle is sealed with a spray

coating. The operating pressure and spray rate can be steplessly adjusted by

turning the handle.

Replacements, repairs, new adjustments and sealing should only

be performed by qualified persons.

Motor protection switch

Motor is protected against overload by means of a motor protection switch.

In case of motor overload or blocking, the motor of the high pressure cleaner

switches off automatically. If motor tends to switch off repeatedly, make sure

to detect appears. Make sure to detect and remedy the cause of the failure.

Replacements and inspection work should only be performed by qualified

persons when the high pressure cleaner is disconnected from the power

supply, i.e. with plug pulled out from the electrical socket.

Total stop system with delayed motor cut-off

When opening the trigger gun the motor is started via a total-stop system.

When

closing the trigger gun the motor is switched off only after 38 seconds and the device

is in standby mode. The delayed switch-off is necessary because switching on and off

motors frequently on high-pressure cleaners of this size may involve heavy load on the

power network and cause increased wear of internal electrical parts. After 20 minutes

in standby, the device will disconnect from the mains and must be turned on again

by the main switch. The machine restarts automatically when the gun is re-opened,

provided that the master switch is on.

Water and cleaning system

Water must be supplied to the high pressure pump under pressure or directly sucked

in out of a pressureless container. The water is then forced under pressure by the

high pressure pump to the lance. The high pressure jet is formed by the nozzle at

the end of the lance.

Environmental, refuse disposal and water protection regulations

must be observed!

Safety jet pipe with safety trigger gun

The high pressure cleaner can only be operated when the trigger of the safety

deactivation trigger gun‘s trigger is actuated. When the trigger is pulled, the

safety trigger gun opens. The liquid is then transported to the nozzle. The spray

pressure increases and quickly reaches the operating pressure. When the trigger is

released, the safety trigger gun closes and any further spraying of liquid from the

safety jet pipe is prevented. The stainless steel pressure gauge must show 0 bar.

The increase in pressure when the safety trigger gun is closed causes the pressure

control valve-safety valve to open. The motor is switched off by the pressure

switch. When thesafety trigger gun is opened, the pressure control valve - safety

valve closes, the motor is started and the high pressure pump resumes pressure

spraying from the safety jet pipe with the selected operating pressure.

The safety trigger gun is a safety device. Repairs should only be perfor-

med by qualified persons. Should replacement parts be required, use

only components authorized by the manufacturer.

Functional details Functional details

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