Water Supply System - Kranzle W 11/135 Original Operating Manual

Water supply system

The water is fed under pressure (2 - 8 bar) to the HP pump. Then the water is fed
under pressure from the HP pump to the safety spray 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 !
Lance with spray gun
The machine can only be operated when the safety trigger is squeezed.
When the lever is squeezed, the spray gun opens. The liquid is then pumped to
the nozzle.
When the trigger is released, the spray gun closes and any further spraying of
liquid from the lance is stopped and the manometer must show 0 bar.
The increase in pressure when the spray gun is closed causes the unloader
valve-safety valve to open. The pump remains switched on and continues to pump
liquid through the pump at reduced pressure. When the spray gun is opened, the
unloader valve - safety valve closes and the pump ressumes pressure spraying
from the lance.
The spray gun is a safety device. Repairs should only be perfor-
med by qualified persons. Should replacement parts be re-
quired, use only components authorized by the manufacturer.
Unloader valve - safety valve
The unloader valve - safety valve protects the machine 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.
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Description