70 HyPrecision Predictive waterjet pump Operator Manual 810120
5 – Preventive maintenance
Preventive maintenance
Safety
Refer to the instruction manual. Read and understand all of the safety guidelines in this manual.
DANGER
A waterjet is a cutting tool. Keep away from high-pressure streams and leaks. Pressurized fluid
can cause injuries.
A high-pressure injection injury is a surgical emergency. Get medical treatment immediately for all
high-pressure waterjet injuries.
Delayed treatment can cause injuries or death. Abrasive waterjets eject a mixture of water and
abrasive materials that can be injected into body tissues, leading to a dangerous infection.
DANGER
Doing work on this equipment while it is energized is dangerous.
Personnel who maintain and repair this equipment can be injured or killed if dangerous energy is
not controlled. Injuries can include burns, cuts, fractures, or electrocution.
Before opening the electrical enclosure or doing maintenance or repairs on this equipment, turn
off the electrical power and release water pressure and hydraulic pressure from the system.
Use standard lock out–tag out procedures. Isolate all sources of electrical, mechanical, hydraulic,
pneumatic, chemical, thermal, or other energy with a lockable energy-isolating device that
satisfies national and local requirements.
All work that requires opening the electrical enclosure or removing covers or panels from this
equipment must be done only by an approved technician.
DANGER
A person who works on deenergized machinery can be injured or killed if the machinery is
energized without permission.
All personnel in an area where energy-control procedures are used must receive training for
energy-control procedures.
DANGER
Do not stand in line with high-pressure fittings when operating this equipment. If a high-pressure
fitting fails, it can cause a stream of water or hydraulic fluid to eject from the system with force.
WARNING
Personal protective equipment is recommended. If you do not use personal protective equipment,
there is a risk of injury or death.
WARNING
Permit only approved personnel to operate, maintain, and repair this machinery.
WARNING
Release all high-pressure water before doing work on this equipment.
WARNING
When work must be done in a small space or an area with limited access, the access must not be
blocked by ventilation ducts, hoses, pipes, or other equipment.
WARNING
Do not operate the pump without the shaft access cover and all other safety devices correctly
installed.
WARNING
Make sure that all connections, fasteners, locking devices, hoses, and fittings are tight before
operation.
WARNING
Do not block or remove warnings, cautions, or instructions.
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