Safety instructions
SM_MC 9P_MC 10P Ver.1.0_February_2023
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A
Prior to commencing any water blasting work, the area must be barricaded to restrict unauthorized access.
Blasting Method: We recommend using a 2 operator* blasting method. The role of the 2nd operator is to attend the
pump unit and keep close watch on the 1st operator for fatigue.
By using this blasting method the operators can take turns operating the machine. It is not recommended to operate
the trigger gun for more than 20 minutes continuously.
* Operators must be trained in:
- How to operate the VHPW and the basic blasting protocol before being allowed to use the VHPW.
- Preparing the VHPW for use.
- Holding the trigger gun correctly for blasting due to recoil force from the trigger gun.
- Understanding of the correct way to operate the VHPW.
- Basic maintenance and troubleshooting.
Guidelines for safe use of the VHPW
Treat the machine as a high-speed cutting tool.
Always follow local legal requirements regarding minimum age for operating a VHPW.
Always use a proper plug and socket specially designed with ground connection. Only connect to an installation with
ground connection. A certied electrician shall make the installation. It is strongly recommended that the electric sup-
ply to the machine includes a Residual Current Device/GFCI. Always follow local rules regarding RCD/GFCI.
Always keep the VHPW and its accessories in good working condition. Check the machine for defects, especially the
insulation on the electric cable. DO NOT start up the machine if there are any defects. Have the machine serviced.
When using the VHPW and its accessories, eye protection must be worn at all times to protect against repelling or rico-
cheting matters that can cause eye damage.
Ear protection must be worn at all times when using the VHPW to prevent hearing related injures. Noise warning stick-
er with noise emission value can be found on the machine. Suitable clothing and footwear must be worn while using
the VHPW to protect the operator(s). Do not try to clean clothes or footwear with the VHPW trigger gun since this can
cause serious damage. See Page 20-21 Personal Protective Equipment (PPE).
Precautions must be made to keep bystanders away from the working range.
DO NOT spray-clean on the VHPW, yourself, others or live animals. The high-pressure jets are capable of causing se-
vere injuries.
While repairing or servicing the equipment and its accessories always make sure the machine is turned off, depressur-
ized and disconnected from the main power supply. Furthermore the lock out/tagout procedure explained in this man-
ual must be performed before repair or service can take place. Only allow trained personnel to operate the machine.
Activating the trigger/gun will cause an immediate backwards force. Therefore always hold trigger gun with both
hands. When pausing during operation or ending the work task always follow the instruction specied in section G of
this manual.
Only use high-pressure hoses, connections and nozzles specied by Nilsk.
IMPORTANT – Do not use the machine in a possible explosive environment in accordance with EN-50014.
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