4
2. Safety
Instructions
The following instructions to be followed before, during and after work:
This operation manual to be read before start-up. When strictly following the
instructions, no danger should occur.
This machine must only be operated by qualified persons who are fully familiar
with the operation and possible danger. The operating instructions laid down in
the “Regulations for liquid blasters (ZH 1/406)” as well as “Working with liquid
blasters” strictly to be followed.
The machine is not suitable for unattended operation and must only be run
according to instructions laid down in this manual. During working protective
clothing to be worn.
The water stream leaving the spray pistol at high speed has a rather
dangerous cutting effect. So, never direct the water stream onto persons or
animals, nor direct it onto electrical units. When starting the machine, be aware
of torque and recoil. Ensure of stable foothold.
The max. pressure stated on the nameplate must not be exceeded. The safety
valve opens as soon as the max. operating pressure is exceeded by 10 %.
The safety/control valve is workshop adjusted and sealed. The adjustment
must not be changed.
Unsuitable or defective high pressure hoses very often cause accidents during
operation of high pressure cleaners. Therefore, check the hoses for damages
before any start-up. Defective hoses immediately to be replaced by original
OERTZEN equipment. Using other materials than original OERTZEN equip-
ment (hand nut respectively hose marked with “OERTZEN”) or using materials
which have not expressively been approved by OERTZEN in writing ceases
warranty and product liability.
Worn out high pressure hoses must never be repaired and re-used but must
be replaced by new original OERTZEN equipment.
Spray pistols with delayed closing mechanism must not be used, due to
danger of injuries.
Lever in open position must not be blocked or fixed in any other way.
Use of spray lances of less than 750 mm length is prohibited.
The unit must not be placed or operated in areas jeopardised by fire or
explosions. During working at fuel stations the “Technical Rules for flammable
Liquids” (TfbF) to be considered.
