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POWERFUL SOLUTIONS.  GLOBAL FORCE.

Instruction Sheet

High Tonnage Hydraulic Cylinders

HCRL-Series

L4247 

Rev. A 

03/18 

Table of Contents:

    Section 

Page

1.0   IMPORTANT RECEIVING INSTRUCTIONS   . . . . . .1

2.0  SAFETY   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

3.0   CONFORMANCE TO NATIONAL AND 

INTERNATIONAL STANDARDS  . . . . . . . . . . . . . . .3

4.0  PRODUCT DESCRIPTION  . . . . . . . . . . . . . . . . . . .3

5.0  LIFTING THE CYLINDER  . . . . . . . . . . . . . . . . . . . .4

6.0  SETUP   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

7.0  AVOIDING SIDE LOAD  . . . . . . . . . . . . . . . . . . . . . .5

8.0  OPERATION  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

9.0  INSPECTION, MAINTENANCE & STORAGE  . . . . .5

10.0  RELIEVING TRAPPED PRESSURE   . . . . . . . . . . .5

11.0  TROUBLESHOOTING   . . . . . . . . . . . . . . . . . . . . .6

12.0  PRODUCT DATA . . . . . . . . . . . . . . . . . . . . . . . . . .7

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.

2.0  SAFETY

2.1  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 

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 

WARNING, CAUTION and NOTICE.

  WARNING  

Indicates a hazardous situation that, if not 

avoided, 

could

 result in death or serious 

personal injury.

  CAUTION  

Indicates a hazardous situation that, if not 

avoided, 

could

 result in minor or moderate 

personal injury.

 

NOTICE

 

Indicates information considered 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.

2.2  Hydraulic Cylinder Safety Precautions 

(HCRL-Series)

  WARNING

Failure to observe and comply with the following 

precautions could result in death or serious personal 

injury. Property damage could also occur.

•  Read and completely understand the safety precautions and 

instructions in this manual before operating the cylinder or 

preparing it for use. Always follow all safety precautions and 

instructions, including those that are contained within the 

procedures of this manual.

•  Operating procedures will vary, depending on the system 

arrangement and the specific components being used. 

Always read, follow and completely understand all 

manufacturer's instructions when operating pumps, valves 

and all other devices used with the cylinders. Follow all 

safety precautions contained in the manufacturer's manuals.

•  Always wear appropriate personal protective equipment 

(P.P.E.) when operating hydraulic equipment. Be sure to 

wear eye protection, work gloves and protective clothing. 

Summary of Contents for HCRL-10010

Page 1: ...s 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 de...

Page 2: ...ing application Be certain that the load is centered and covers the entire plunger saddle surface Avoid situations where loads are not directly centered on the plunger saddle The load may slip or fall causing potential danger Lift only dead weight loads Avoid lifting live weight loads Be especially careful when lifting loads such as partially filled storage tanks in which the center of gravity cou...

Page 3: ...he standards and directives listed in the product s EU Declaration of Incorporation A copy of this document is packed separately with the cylinder 3 0 CONFORMANCE TO NATIONAL AND INTERNATIONAL STANDARDS Enerpac declares that this product has been tested and conforms to applicable standards and is compatible to all CE Requirements A copy of an EU Declaration of Incorporation is enclosed with each s...

Page 4: ...ydraulic Connections HCRL Series cylinders are equipped with two 3 8 18 NPTF female couplers one for advance side hydraulic flow and one for retract side hydraulic flow Refer to Figure 2 items 7 and 8 for locations Be certain that all couplers are fully connected so that hydraulic flow is not blocked or restricted All hoses fittings and other hydraulic components in the circuit must be rated for a...

Page 5: ...irected from the pump reservoir to the cylinder retract coupler Note that additional hydraulic components may be required to control the rate at which the plunger retracts under load 8 2 Retract Side Safety Relief Valve HCRL Series cylinders include a retract side safety relief valve It is located near the bottom of the cylinder base See Figure 2 item 6 The valve is designed to relieve retract cha...

Page 6: ... Pump malfunctioning Repair or replace pump as required b Leaking connection Repair leaking connection c Incorrect system set up Check hose connections at pump and cylinders d Cylinder seals leaking Repair or replace cylinder 6 Cylinder leaks oil a Loose connection Tighten or repair connection b Worn or damaged cylinder seals Repair or replace cylinder c Internal cylinder damage Repair or replace ...

Page 7: ...X W H1 H2 S 0 5 HCRL 50 150 HCRL 200 300 Figure 5 Dimensions HCRL Series 12 0 PRODUCT DATA Refer to Sections 12 1 and 12 2 for the dimensions applicable to your cylinder model Use this graphic as a reference ...

Page 8: ...cept as indicated Contact Enerpac for dimensions of custom ordered cylinders not shown above Cylinder Model Number Saddle Protrusion Lock Nut Height Base Mounting Holes Collar Thread Bolt Circle Thread Size Minimum Thread Depth Number of Holes Angle From Coupler Thread Size Thread Length K S U V Z W X in in in mm in mm in HCRL 506 0 57 1 02 4 13 M12 x 1 75 0 87 2 90 M130 x 2 1 65 HCRL 508 0 57 1 0...

Page 9: ...c for dimensions of custom ordered cylinders not shown above Cylinder Model Number Saddle Protrusion Lock Nut Height Base Mounting Holes Collar Thread Bolt Circle Thread Size Minimum Thread Depth Number of Holes Angle From Coupler Thread Size Thread Length K S U V Z W X mm mm mm mm mm mm mm HCRL 506 15 26 105 M12 x 1 75 22 2 90 M130 x 2 42 HCRL 508 15 26 105 M12 x 1 75 22 2 90 M130 x 2 42 HCRL 501...

Page 10: ...27 11 5360 284 129 HCRL 15012 11 81 300 150 168 6 153 0 1500 9 33 23 214 4 392 50 6432 312 142 HCRL 2006 5 91 150 200 225 0 204 1 2001 2 44 31 285 9 261 62 4288 318 145 HCRL 2008 7 87 200 200 225 0 204 1 2001 2 44 31 285 9 348 87 5718 370 168 HCRL 20010 9 84 250 200 225 0 204 1 2001 2 44 31 285 9 436 06 7147 406 184 HCRL 20012 11 81 300 200 225 0 204 1 2001 2 44 31 285 9 523 31 8577 440 200 HCRL 2...

Page 11: ...Notes 11 ...

Page 12: ...www enerpac com ...

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