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1.0 IMPORTANT RECEIVING INSTRUCTIONS

Visually inspect all components for shipping damage.
Shipping damage is not covered by warranty. If shipping
damage is found, notify carrier at once. The carrier is
responsible for all repair and replacement costs resulting
from damage in shipment.

SAFETY FIRST

2.0 SAFETY ISSUES

Read all instructions, warnings and cautions
carefully. Follow all safety precautions to
avoid personal injury or property damage

during system operation. Enerpac cannot be responsible
for damage or injury resulting from unsafe product use,
lack of maintenance or incorrect product and/or system
operation. Contact Enerpac when in doubt as to the safety
precautions and operations. If you have never been
trained on high-pressure hydraulic safety, consult your
distribution or service center for a free Enerpac Hydraulic
safety course.

Failure to comply with the following cautions and warnings
could cause equipment damage and personal injury.

CAUTION

is used to indicate correct operating or

maintenance procedures and practices to prevent damage
to, or destruction of equipment or other property.

WARNING

indicates a potential danger that requires

correct procedures or practices to avoid personal injury.

DANGER

is only used when your action or lack of action

may cause serious injury or even death.

WARNING:

Wear proper personal protective

gear when operating hydraulic equipment.

WARNING:

Stay clear of loads supported by

hydraulics. A cylinder, when used as a load
lifting device, should never be used as a load

holding device. After the load has been raised or
lowered, it must always be blocked mechanically.

DANGER:

To avoid personal injury keep

hands and feet away from cylinder and
workpiece during operation.

WARNING:

Do not exceed equipment ratings.

Never attempt to lift a load weighing more than
the capacity of the cylinder. Overloading

causes equipment failure and possible personal injury.
The cylinders are designed for a max. pressure of 350
bar [5,000]. Do not connect a jack or cylinder to a pump
with a higher pressure rating.

Never

set the relief valve to a higher pressure

than the maximum rated pressure of the pump.
Higher settings may result in equipment

damage and/or personal injury.

WARNING:

The system operating pressure must not

exceed the pressure rating of the lowest rated
component in the system. Install pressure gauges in

the system to monitor operating pressure. It is your window
to what is happening in the system.

CAUTION:

Avoid damaging hydraulic hose. Avoid

sharp bends and kinks when routing hydraulic
hoses. Using a bent or kinked hose will cause severe

back-pressure. Sharp bends and kinks will internally damage
the hose leading to premature hose failure.

Do not

drop heavy objects on hose. A sharp

impact may cause internal damage to hose wire
strands. Applying pressure to a damaged hose

may cause it to rupture.

IMPORTANT:

Do not lift hydraulic equipment by the

hoses or swivel couplers. Use the carrying handle
or other means of safe transport.

CAUTION:

Keep hydraulic equipment away from

flames and heat. Excessive heat will soften
packings and seals, resulting in fluid leaks. Heat

also weakens hose materials and packings. For optimum
performance do not expose equipment to temperatures
of 65°C [150°F] or higher. Protect hoses and cylinders from
weld spatter.

DANGER:

Do not handle pressurized hoses.

Escaping oil under pressure can penetrate the skin,
causing serious injury. If oil is injected under the

skin, see a doctor immediately.

WARNING:

Only use hydraulic cylinders in a coupled

system. Never use a cylinder with unconnected
couplers. If the cylinder becomes extremely

overloaded, components can fail catastrophically causing
severe personal injury.

Instruction Sheet

PSCK3, PSCK4, PSCK5, PSCK6 ET PSCK7

PRESSURE SWITCHES

L2364