Small Repairs - Do It Yourself - Kranzle X A15 TST Operating Manual

Small repairs - do it yourself

Problem
No water from nozzle although the high pressure cleaner is running.
The pressure gauge displays full pressure.
Cause
Most likely the nozzle is blocked.
Pull plug from socket prior to starting any repair work!
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The pressure gauge displays full pressure.
No or very little water from the lance.
(Inside the pressure gauge is no water but a
filling with glycerin to damp the vibration of
the pointer.)
Proceeding:
Switch off the high pressure cleaner. Pull
plug from the socket. Operate safety trigger
gun catch several times to decrease the
pressure.
Unscrew safety trigger gun and lance first,
then rinse high pressure hose to remove
possible soiling.
Check water inlet filter for soiling.
If the problem still exists, take wire (paper
clip) and push through nozzle opening. If
this procedure is not successful, the nozzle
has to be replaced.
Small repairs - do it yourself
Problem
Irregular jet from nozzle.
The pressure gauge shows low pressure.
Cause
Most likely the valves are soiled or sticky.
The pressure gauge shows low pressure
despite fully turned up pressure regulation.
The water from the lance comes in squirts.
The HP hose vibrates.
(Inside the pressure gauge is no water but a
filling with glycerin to damp the vibration of
the pointer.)
Proceeding:
Unscrew all 6 valves, one after the other
(hexagonal brass screws, 3 in a row,
vertically and horizontally)
Take out valve body and O-ring by means
of needle nose pliers. Check O-ring for
damage. In case of a damage the O-ring
has to be replaced.
Take a wire (paper clip) and clean valves
under running water.
Do not forget the O-ring during reassembly!
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