Instruction Manual

ManualsBrandsEnerpac ManualsToolsMRS-Series

Instruction Sheet

MRS-1, 2, AND 5

MRS-1001, 2001, 3001, AND 5001

SPRING LOADED CLAMPING CYLINDERS

EIS 57.110-1 Rev. A 04/99

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. 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.

Summary of content (4 pages)

PAGE 1
Instruction Sheet ® Rev. A 04/99 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.
PAGE 2
® WARNING: BE SURE SETUP BEFORE LIFTING LOAD. IS STABLE 4.0 APPLICATION These cylinders are designed for prolonged clamping applications in moveable machine parts, tools, fixtures, pallets and workpieces. To ensure maximum lifetime, it is advisable to use these cylinders only within their effective working area. (See Figures 2 and 3.) Cylinders should be placed on a flat surface that can support the load. Where applicable, use a cylinder base for added stability.
PAGE 3
8.0 TROUBLESHOOTING GUIDE Problem Cylinder will not advance Probable Cause 1. Spring broke. Replace spring(s). 2. Plunger binding. Check cylinder internal parts. 3. No oil or too low oil level in pump. Refill reservoir. 4. Pump release valve open. Close pump’s valve. Cylinder leaks oil 1. Worn or damaged plunger. Replace plunger and seals. 2. Seals damaged. Replace seals. 3. Leaking or loose oil connections. Cylinder will not retract. 1. Pump release valve closed. Open this valve. 2.
PAGE 4
0 30 200 180 M 100 100 50 01 S MR -30 01 MRS 185 100 0 RS -200 MRS-2 135 100 20 1 001 10 FORCE (kN) PRESSURE (bar) 235 0 0 1 Stroke (mm) 2 Plunger Out 3 4 Effective Working Area 5 6 Plunger In, Hydraulically Activated Figure 3, MRS-1001, 2001, 3001, and 4001 Enerpac Worldwide Locations ✦ e-mail: info@enerpac.com Germany, Switzerland, Australia ENERPAC, Applied Power Australia Ltd. Austria, Eastern Europe ENERPAC Block V Unit 3 Applied Power GmbH Regents Park Estate P.O.