Enerpac PA133U103 Instruction Sheet Download Page 1

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. 

A

CAUTION

is used to indicate correct operating or

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

A

WARNING

indicates a potential danger that requires

correct procedures or practices to avoid personal injury.

A

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.

WARNING: USE ONLY RIGID PIECES TO HOLD
LOADS.

Carefully select steel or wood blocks that 

are capable of supporting the load. Never use a

hydraulic cylinder as a shim or spacer in any lifting or 
pressing application.

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 700 bar [10,000 psi]. 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.

Instruction Sheet

PA133U103

Hydraulic Air Pump

L2698

Rev. A

11/06

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This air-powered hydraulic pump is designed for use
with single-acting cylinders and tools.

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