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Operation and Maintenance Manual
Enerpac RP70A
Hydraulic Rail Puller/Stressor
Document Number: L4578
Document Revision: C
Document Revision Date:23-NOV-2022
Document Language: ENGLISH EN
Pull: 70 Tons
Stretch: 45 Tons
To reduce the risk of injury, user must read and understand this document before use.
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Summary of Contents for Enerpac RP70A
- Page 1 Operation and Maintenance Manual Enerpac RP70A Hydraulic Rail Puller/Stressor Document Number: L4578 Document Revision: C Document Revision Date:23-NOV-2022 Document Language: ENGLISH EN Pull: 70 Tons Stretch: 45 Tons To reduce the risk of injury, user must read and understand this document before use.
- Page 3 Enerpac for quality tools, services and solutions. For additional information, visit www.enerpac.com. WARRANTY Refer to the Enerpac Global Warranty document for terms and conditions of the product warranty. Such warranty information can be found at www.enerpac.com. NAMEPLATE AVAILABLE LANGUAGES...
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Page 4: Table Of Contents
5.1 FEATURE DIAGRAM ..........................7 5.2 GENERAL DESCRIPTION ........................8 6. TECHNICAL PRODUCT DATA ........................8 6.1 RP70A CAPABILITIES ........................... 8 6.2 DIMENSIONAL CALLOUT ART ......................9 6.3 DIMENSIONAL TABLE .......................... 9 7. OPERATION ..............................10 7.1 INITIAL SETUP ............................ 10 7.2 INSPECT THE PARTS ......................... -
Page 5: Safety
WARNING damage to the product and/or damage to other property. Enerpac cannot be responsible for any damage or injury Failure to observe and comply with the following from unsafe use, lack of maintenance, or incorrect precautions could result in death or serious personal operation. - Page 6 If oil is injected under the skin, see a operator. doctor immediately. • Operate RP70A as required to ensure that the load • During assembly the hose must be supported by is moved evenly and at a controlled rate.
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Page 7: Transport, Loading And Unloading Of The System
2. Transport, Load- 3. Texts and Signs ing and Unloading on the System of the System • Loading and unloading has to be performed by properly trained operators. • Only use lifting and hoisting equipment with suitable capacity for the loads in question. •... -
Page 8: Hoses Connection
within a hydraulic hose. A common indication of trapped pressure is when mating couplers will not engage or are unusually difficult to engage. Do not apply wrenches or pliers. If couplings will not fully turn, then release system pressure at the external power source that may have been built up. -
Page 9: Features & Components
Clamp close up view STRECHING MODE Figure 3: Major Features and Components of RP70A The rail grips (Figure 2, item 8) are mounted on swing arms (Figure 2, item 9), which are attached to the clamps in a flexible way. -
Page 10: General Description
There is a risk of ice accretion at temperatures below 0ºC. If ice has accreted on machine components, they cannot be used since they may lock up. Consult Enerpac if you want to apply the system by Figure 4: Pulling Mode Top View other temperatures. -
Page 11: Dimensional Callout Art
Can be carried by... Clamp 31 Kg 2 people 13,7 Swing arm 16 kg 1 person 14.2 Hydraulic cylinder 21 kg 1 person 1.57 Extension strip 19 kg 1 person 2722 107.16 6.2 Dimensional Callout Art Figure 6: RP70A Dimensions Doc L4578_c... -
Page 12: Operation
Observe the weights and the required number of people immediately from service. to handle the parts as given in Section 6.1 “Table of Contact Enerpac if assistance is required for solving Weights”. The handles have black slide on sleeves for problems. - Page 13 • Verify that the arrows on the rail grips point in the direction as shown. NOTE: be careful with lifting the clamp with arms on. When the arms rotate Figure 8: RP70A Couplers Connection unintended, they can drop down Doc L4578_c...
- Page 14 7.3.4 Pulling configuration • Connect the hydraulic cylinder assemblies to the eyes of the swing arms. • Ensure the connection pins are fully engaged. • Verify that the pins in the fork and clevis ends fit easily without excessive play. 1800 mm •...
- Page 15 • Ensure that clamp assemblies perpendicular to the rail. WARNING • Connect the hydraulic cylinder assemblies to the eyes of the swing arms. Do not operate if the clamp assemblies are not • Ensure the connection pins are fully engaged. square to the rail.
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Page 16: Execute An Operation
Long term storage: It is mandatory that the operator has a full understanding Enerpac recommends a dry and closed space. of all instructions, safety precautions and applicable safety regulations before operating any high force hydraulic equipment. If questions or concerns, contact... -
Page 17: Maintenance
• Do not store hoses in direct sunlight; the heat of Make certain that the hydraulic system is not under the sun may cause unexpected raise of pressure. pressure. • Protect hoses against exposure to ozone (released If maintenance has to be executed while the during welding work). -
Page 18: Parts List
Figure 11: Clamp Main Components Repair Parts List, Figure 10 Item Description Qty. Part number Clamp 0393901010001 Shaft End Plate 0393901010004 Positioning Plate 60E1 RP70A-2-001 Washer M10-WASHER Lifting Eyebolt 0393901010020 Hex-Head Bolt M10X1.5X25HHS8.8 Hexagon socket countersunk head cap screws CCA821028-1B Handle 0393901010014 Hex SHCS Low Head M16X2X40SLHCS8.8... -
Page 19: Extension Strip
10.2 Extension Strip A-A ( 1 :1 ) Figure 12: Extension Strip Main Components Repair Parts List, Figure 11 Item Description Qty. Part number Connection Pin 0393901010009 Weld Extension Strip 03939010106 Cable 33252.W1303 Lifting Eyebolt 0393901010020 Hex Nut 887-M5-6-4L Hexagon Socket Button Head Screw M6-WASHER-FORMG Doc L4578_c... -
Page 20: Gripper Arm
10.3 Gripper Arm A-A ( 1 : 1 ) Figure 13: Gripper Arm Main Components Repair Parts List, Figure 12 Item Description Qty. Part number Gripper Arm 0393901010002 Lock Plate 0393901010003 Gripper 0393901010021 Connection Pin 0393901010009 Gripper Lock Plate 0393901010012 Cable 33252.W1303 Lifting Eyebolt... -
Page 21: Cylinder
10.4 Cylinder Figure 14: Pull Cylinder Main Components (first view) Repair Parts List, Figure 13 Item Description Qty. Part number O-Ring Relief valve assembly Seal-piston DB8051076 Bearing- piston Backup ring Scraper Rod-wear ring Step seal with o-ring DQ2194514 Cylinder base DQ2180030... - Page 22 Screw-set CCA1019028-5E Coupler male half CS364900 Metal dust cap for S364900 CS364900E100 Coupler female half CS365900 Metal dust cap for S365900 CS365900E100 Nylon disc CZ324071 Warning decal DA5625026 Decal Enerpac DC5667026 Fitting-straight DQ2152096 Fitting-elbow DQ2153096 DQ2154124 Cover DQ2186098 Doc L4578_c...
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Page 23: Troubleshooting
For repair service, contact your nearest Enerpac Authorized Service Center. As required, also refer to the troubleshooting information provided with your hydraulic pump or power unit. - Page 24 NOTES ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________...
- Page 25 NOTES ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________...
- Page 26 NOTES ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________...
- Page 27 NOTES ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________...
- Page 28 © 2022 Enerpac Tool Group, All Rights Reserved. www.enerpac.com...
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