Enerpac EBH52 Instruction Sheet

Hydraulic bar cutter

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POWERFUL SOLUTIONS. GLOBAL FORCE.

L4313

Rev. C

11/19

INDEX

1.0 SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

2.0 PRODUCT DATA . . . . . . . . . . . . . . . . . . . . . . 5

3.0 CONFORMANCE TO NATIONAL AND

INTERNATIONAL STANDARDS . . . . . . . . . . . 6

4.0 DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . 6

5.0 RECEIVING INSTRUCTIONS . . . . . . . . . . . . . 6

6.0 SET-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

7.0 CUTTER SAFETY GUARD . . . . . . . . . . . . . . . 9

8.0 CUTTER OPERATION . . . . . . . . . . . . . . . . . 10

9.0 MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . 13

10.0 STORAGE . . . . . . . . . . . . . . . . . . . . . . . . . 19

11.0 TROUBLESHOOTING . . . . . . . . . . . . . . . . 20

1.0 SAFETY

1.1 Introduction

Read all instructions carefully. Follow all recommended

safety precautions to avoid personal injury as well

as damage to the product and/or damage to other

property. Enerpac cannot be responsible for any

damage or injury from unsafe use, lack of maintenance

or incorrect operation. Do not remove warning labels,

tags, or decals. In the event any questions or concerns

arise, contact Enerpac or a local Enerpac distributor for

clarification.

If you have never been trained on high-pressure hydraulic

tool safety, consult your distributor or service center for

information about an Enerpac hydraulic safety course.

This manual follows a system of safety alert symbols,

signal words and safety messages to warn the user of

specific hazards. Failure to comply with these warnings

could result in death or serious personal injury, as well

as damage to the equipment or other property.

The Safety Alert Symbol appears throughout

this manual. It is used to alert you to

potential physical injury hazards. Pay close

attention to Safety Alert Symbols and obey

all safety messages that follow this symbol to avoid the

possibility of death or serious personal injury.

Safety Alert Symbols are used in conjunction with certain

Signal Words that call attention to safety messages or

property damage messages and designate a degree or

level of hazard seriousness. The Signal Words used in

this manual are DANGER, WARNING, CAUTION and

NOTICE.

Instruction Sheet

Hydraulic Bar Cutter

Model EBH52

Indicates a hazardous situation that,

DANGER

NOTICE:

if not avoided, will result in death or

serious personal injury

Indicates a hazardous situation that,

WARNING

NOTICE:

if not avoided, could result in death

or serious personal injury.

Indicates a hazardous situation that,

CAUTION

NOTICE:

if not avoided, could result in minor

or moderate personal injury.

Indicates

NOTICE

important, but not hazard related

(e.g. messages relating to property

damage). Please note that the Safety

Alert symbol will not be used with this

signal word.

1.2 Hydraulic Cutter Safety Precautions

Failure to observe and comply with the

WARNING

NOTICE:

following precautions and instructions may result in

death or serious personal injury. Property damage

could also occur.

• Read

and

completely

precautions and instructions in this manual. Always

follow all safety precautions and instructions,

including those that are contained within the

procedures of this manual.

• Read this manual before operating the cutter, or

before performing any adjustments, inspections,

maintenance or repairs.

• Follow all instructions and heed all precautions

stated in this manual.

• Keep this manual for future reference in a place that

is accessible to all persons operating or servicing the

cutter.

information

considered

understand

the

safety

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Summary of Contents for Enerpac EBH52

Page 1: Table Of Contents
Alert symbol will not be used with this tags, or decals. In the event any questions or concerns signal word. arise, contact Enerpac or a local Enerpac distributor for clarification. 1.2 Hydraulic Cutter Safety Precautions If you have never been trained on high-pressure hydraulic...
Page 2 • Ensure that the operator is alert, observant of the • Use only original equipment Enerpac parts. Enerpac task being performed and that the work is being done parts are designed to fit properly and to withstand with care.
Page 3 /or • Use the tool only with a compatible Enerpac pump. damage to tool. The Enerpac product warranty may Use of a non-compatible pump may result in erratic also be invalidated.
Page 4 PPE Alert: Wear personal protective equipment CRUSH HAZARD (PPE) when using Do not reach inside cutting head servicing equipment. unless pump is disconnected from AC Instruction Manual Alert: Read power supply. instruction manual before using or servicing equipment. 1.5 Disconnecting Pump AC Power WARNING Pump MUST be disconnected from the power...
Page 5: Product Data
˚ F ˚ C EBH52 1078 135.8 10,150 External +122 Notes: Hydraulic pump sold separately. Special Enerpac pump required. Refer to Section 6.1 for additional information. 2.3 External Dimensions Dimension 30.1 10.4 12.2 Product specifications are subject to change without notice.
Page 6: Conformance To National And International Standards
The carrier is responsible for all repair and replacement costs resulting 4.0 DESCRIPTION from damage in shipment. The Enerpac model EBH52 is a fixed-head hydraulic 6.0 SET-UP cutter designed to cut round, square or flat metal bars and other similar items.
Page 7 6.2 Hydraulic Connections 6.2.1 Connecting the Hydraulic Couplers A high pressure twin hydraulic hose assembly connects 1. Be sure that pump motor is stopped. the pump control valve to the cutter. The hoses are 2. Be certain there is no residual pressure in the included as part of a hose subassembly that also hydraulic circuit.
Page 8 Repeat steps 3 through 5 for each hydraulic connection: 6.4 Pump Setup 3. Unscrew the threaded collar of the female coupler Prepare the pump for operation as described in the pump instruction sheet. from the threaded flange of the male coupler. 4.
Page 9: Cutter Safety Guard
7.0 CUTTER SAFETY GUARD • Before reaching inside the cutting head to clear jams or for any other reason, always stop the pump, 7.1 Description relieve hydraulic pressure and disconnect pump When closed, the safety guard prevents hand contact from AC power supply. with the moving piston and blade.
Page 10: Cutter Operation
Section 2.1 of this manual. 2. The cutter may be used only when connected to a compatible Enerpac hydraulic pump. 3. Operators must observe the instructions in this manual in order to minimize the risk of accidents.
Page 11 8.5 Positioning Material Always be sure that the piston and moving blade are in the fully retracted “home” position before placing any material inside the cutting head. See Figure 8. Position the material to be cut between the cutter blades, so that it is perpendicular to the piston axis, as shown in Figure 9.
Page 12 Figure 11, Operation - Advance/Cut Figure 12, Operation - Retract 8.6 Cutter Controls 2. Be sure that the piston is in the “home” (fully retracted) Two push buttons control cutter operation. One push position. See Figure 8. button is for the advance function and the other push 3.
Page 13: Maintenance
9.0 MAINTENANCE 9.4 Preparation for Maintenance All cutter maintenance procedures must be performed 9.1 Periodic Maintenance Table under the following conditions: Refer to the Periodic Maintenance Chart (Table 1) for a • All hydraulic pressure must be relieved. Refer to the list of various routine checks and procedures.
Page 14 9.5 Remove and Install Top Cover The top cover will need to be removed to perform some maintenance items, such as replacing the moving blade. 1. Prepare for maintenance. Refer to Section 9.4 for more information. 2. Remove the four top cover screws (Figure 13, item 1) and lift off the top cover (Figure 13, item 2) from the cutter head.
Page 15 9.6 Lubrication Table 2 - Grease Specifications Perform cutter lubrication procedures as described in Type NLGI Grade 2 Extreme the following steps: Pressure Lithium Grease 1. Start the pump. Move the piston to the “home” position (fully retracted). See Figure 8. 4.
Page 16 9.7 Blade Replacement 2. Stop the pump. Be sure that hydraulic pressure is completely relieved. The use of worn blades decreases the effectiveness of the cutter and can also side load the cylinder, possibly 3. Disconnect pump from AC power supply. damaging the tool.
Page 17 9.7.2 Moving Blade Replacement 4. Open the safety guard. Refer to Section 7.2 for additional information. Replace the moving blade as described in the following steps: 5. Remove the top cover. Refer to Section 9.5 for more information. 1. Start the pump. Move the piston to the “home” 6.
Page 18 7. Loosen retention screw (Fig. 14. Engage the threads of the key retention screw item 1). Continue loosening until the screw becomes (Fig. 17, item 1) with the threads in the key (Fig. 17, completely unthreaded from the tapped hole in the item 2).
Page 19: Storage
10.0 STORAGE 10.1 Storage Guidelines If the cutter will be stored for an extended period of time: • Disconnect hydraulic hoses from cutter. Be sure that dust caps are installed on hydraulic couplers. • Thoroughly clean the cutter. • Lubricate the cutter metal surfaces with a thin layer of oil.
Page 20: Troubleshooting
For repair service, contact an Enerpac authorized service center. Inspection and repairs should be performed only by an Enerpac authorized service center or other qualified hydraulic tool service facility. Table 2 - Cutter Troubleshooting Chart Symptom...
Page 21 Notes:...
Page 22 Notes:...
Page 23 Notes:...
Page 24 www.enerpac.com...

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1.0 SAFETY

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