Enerpac NSC Operation And Maintenance Manual

Nut splitter combination/hydraulic

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Operation and Maintenance Manual

Enerpac NSC/ NSH

Nut Splitter Combination/ Hydraulic

Document Number: L4504

Document Revision: D

Document Revision Date: 04-NOV-2021

Document Language: ENGLISH EN

To reduce the risk of injury, users must read and understand this document before use.

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Page 1 Operation and Maintenance Manual Enerpac NSC/ NSH Nut Splitter Combination/ Hydraulic Document Number: L4504 Document Revision: D Document Revision Date: 04-NOV-2021 Document Language: ENGLISH EN To reduce the risk of injury, users 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 Tool...
Page 4: Table Of Contents
4.2 NSH DIMENSIONS ..........................8 5. OPERATION ..............................9 5.1 TOOL SETUP ............................9 5.2 TOOL SELECTION ..........................9 5.3 NSC HYDRAULIC TOOL OPERATION ....................10 5.4 NSH HYDRAULIC TOOL OPERATION ....................11 5.5 HANDLE ............................... 11 5.6 SAFETY LANYARD ..........................11 5.7 POSITIONING THE TOOL ........................
Page 5: Safety
Property damage could also occur. tags, or decals. In the event that any questions or • Read and completely understand the safety concerns arise, contact Enerpac or a local Enerpac precautions and instructions in this manual distributor for clarification.
Page 6 • Hydraulic equipment must only be serviced by a recalibration date has passed, the gauge must be recalibrated. qualified hydraulic technician. For repair service, contact the Enerpac Authorized Service Centre in • If air supply is interrupted, turn off air stop valve your area. on pump.
Page 7: Compliance Statement(S)
2. Compliance Statement(s) 2.1 Conformance to National and International Standards Enerpac declares that the product(s) have been tested •NSC1927 •NSC2432 •NSH1927 •NSH2432 and conforms to applicable standards and the product(s) •NSH3646 •NSH5065 •NSH6575 are compatible to all EU and UK Requirements.
Page 8: Nsh Feature Diagram
3.2 NSH Feature Diagram Cutting Head and Tip Body Handle Anchor Point Hydraulic Coupling 3.3 Operating Conditions 3.4.2 NSC2432 Kit Contents 1 x NSC2432 Nut Splitter Minimum Cutting Tip Contact Temperature: -20 °C 1 x NSC2432 Spare Cutting Tip Maximum Cutting Tip Contact Temperature: 70 °C 1 x Safety Lanyard 3.4 Kit Contents...
Page 9 3.4.3 NSH1927 Kit Contents 3.4.6 NSH5065 Kit Contents 1 x NSH1927 Nut Splitter 1 x NSH5065 Nut Splitter 1 x NSH1927 Spare Cutting Tip 1 x NSH5065 Spare Cutting Tip 1 x Safety Lanyard 1 x Safety Lanyard 1 x Operation and Maintenance Manual 1 x Operation and Maintenance Manual 1 x Carry Case 1 x Carry Case...
Page 10: Technical Product Data
4. Technical Product Data 4.1 NSC Dimensions Dimensions Model Tool Weight Kit Weight Number (kg) (kg) 353 mm 81 mm 152 mm 5.8 kg 9.0 kg NSC1927 [13.9"] [3.2"] [6.0"] [12.8 lb] [20.0 lb] 370 mm 81 mm 152 mm 6.3 kg...
Page 11: Operation
5. Operation 5.1 Tool Setup UN HEAVY HEX UNC HEAVY NUT Enerpac Nut Splitter Tools are suited to fit a range of NS TOOLS STUD SIZE A/F SIZE nut sizes and grades and the right tool should be selected prior to commencing work detailed in Section 5.
Page 12: Nsc Hydraulic Tool Operation
5.3 NSC Hydraulic Tool Retracting NSC Tools Selecting Retract (-) will de-pressurise the cylinder and Operation cause it to retract under the force of its internal spring. Prior to operation, ensure the air-vent in the integrated The handle doesn’t need to be pumped to retract the pump is not obstructed.
Page 13: Nsh Hydraulic Tool Operation
5.4 NSH Hydraulic Tool 5.6 Safety Lanyard Operation NS tools are supplied with a secure anchor point and a safety lanyard. The safety lanyard should be used to NSH range of Nut Splitters require an external hydraulic minimise the risks associated with the tool dropping. pump to drive the cylinder and advance the Cutting Tip Attach one end of the safety lanyard to the tool using the to split the nut.
Page 14 Figure 7: Figure 5: Figure 8: It is recommended that suitable hearing CAUTION protection, i.e. ear defenders or ear plugs are worn. It is recommended that a face shield or CAUTION suitable eye protection, i.e. safety glasses or goggles are worn. Figure 6: L4504_d...
Page 15: Sub-Sea Usage
Subsea The gauges and manifolds are removed from the hand-pump and the coupler is fitted directly to the NSC tools are actuated by means of single-acting pump outlet. spring-return hydraulic cylinder and can be used sub- The tool is connected to the pump whilst still top- sea providing the following actions are taken: side.
Page 16: Maintenance
7. Maintenance 7.1 Inspection A thorough inspection should be carried out prior to usage, storage or transportation to ensure the completeness and condition of the tool. Inspection should include: Cutting Tip • Visual inspection of the outer parts of the tool, checking for obvious damage, degradation or missing parts, Small Hex Key...
Page 17: Maintenance
7.4 Maintenance Replace missing, worn or damaged parts. Use only genuine Enerpac parts from approved distributors or service centres. Enerpac parts have been engineered and manufactured to be fit-for-purpose. Do not apply excessive force when inserting the Cutting Tips into the tool. Always replace the tip retention screw and alignment screw when replacing the Cutting Tip.
Page 18: Parts List
8. Parts List 8.1 NCS1927 Nut Splitter Combination Head Exploded Views Note: Items marked  are not supplied separately. Items marked  supplied in NSC1927 Cutting Tip Service Kit NSH1927CTK. Items marked  supplied in NSC1927 Seal Kit NSH1927SK.  ✤...
Page 19 8.2 NSC1927 Nut Splitter Combination Head Table of Parts Item Description Part Numbers Cutting Head  NSC1927/ NSC2432 Piston DM0875051 NSC1927 Body Sticker Wrap  Decal Integrated Pump Wrap DM0590026 Pump Handle Grip DM306502-01 Integrated Pump 1010100-01 NS1927 Cutting Tip Alignment Screw M4x6mm Grub Screw ...
Page 20 8.3 NSC2432 Nut Splitter Combination Head Exploded Views Note: Items marked  are not supplied separately. Items marked  supplied in NSC2432 Cutting Tip Service Kit NSH2432CTK. Items marked  supplied in NSC2432 Seal Kit NSH1927SK. ◆  ✤ ◆ ✤...
Page 21 8.4 NSC2432 Nut Splitter Combination Head Table of Parts Item Description Part Numbers Cutting Head  NSC1927/ NSC2432 Piston DM0875051 NSC2432 Body Sticker Wrap  Decal Integrated Pump Wrap DM0590026 Pump Handle Grip DM306502-01 Integrated Pump 1010100-01 NS2432 Cutting Tip Alignment Screw M4x6mm Grub Screw ...
Page 22 8.5 Integrated Pump Exploded Views Note: Items shown are not supplied separately and are only available as part of 1010100-01. � � ✢ ✢ ✢ ✢ � ✢ ✢ ✢ ✢ ✢ ✢ ✢ ✢ ✢ ✢ ✢ ✢ � �...
Page 23 8.6 Integrated Pump Table of Parts Item Description Item Description Pump Manifold Pump Piston Housing Pump Bladder Housing O-Ring Piston Housing Cap Back-Up Ring Swivel Clevis O-Ring Clevis Screw Relief Valve Screw Nylon Locking Nut Relief Valve Knob Link Connector Fixing Screw Retaining Nut Oil Fill Screw...
Page 24 8.7 NSH1927 Hydraulic Head Exploded Views Note: Items marked  are not supplied separately. Items marked  supplied in NSH1927 Cutting Tip Service Kit NSH1927CTK. Items marked  supplied in NSH1927 Seal Kit NSH1927SK.   ◆  ◆  ◆...
Page 25 8.8 NSH1927 Hydraulic Head Table of Parts Item Description Part Numbers Cutting Head  NSH1927/ NSH2432 Piston DM0875051 NSH1927 Body Sticker Wrap  3/8" NPT Coupler 10,000 psi CR400 Cylinder End Cap DM0877020 NS1927 Cutting Tip Alignment Screw M4x6mm Grub Screw ...
Page 26 8.9 NSH2432 Hydraulic Head Exploded Views Note: Items marked  are not supplied separately. Items marked  supplied in NSH2432 Cutting Tip Service Kit NSH2432CTK. Items marked  supplied in NSH2432 Seal Kit NSH1927SK.       ...
Page 27 8.10 NSH2432 Hydraulic Head Table of Parts Item Description Part Numbers Cutting Head  NSH1927/ NSH2432 Piston DM0875051 NSH2432 Body Sticker Wrap  3/8" NPT Coupler 10,000 psi CR400 Cylinder End Cap DM0877020 NS2432 Cutting Tip Alignment Screw M4x6mm Grub Screw ...
Page 28 8.11 NSH3646 Hydraulic Head Exploded Views Note: Items marked  are not supplied separately. Items marked  supplied in NSH3646 Cutting Tip Service Kit NSH3646CTK. Items marked  supplied in NSH3646 Seal Kit NSH3646SK.       ...
Page 29 8.12 NSH3646 Hydraulic Head Table of Parts Item Description Part Numbers Cutting Head  NSH3646 Piston DM0889051 NSH3646 Body Sticker Wrap  Cylinder End Cap DM0890020 3/8" NPT Coupler 10,000 psi CR400 NSH3646 Cutting Tip Alignment Screw M5 Socket Set Screw ...
Page 30 8.13 NSH5065 Hydraulic Head Exploded Views Note: Items marked  are not supplied separately. Items marked  supplied in NSH5065 Cutting Tip Service Kit NSH5065CTK. Items marked  supplied in NSH5065 Seal Kit NSH5065SK.       ...
Page 31 8.14 NSH5065 Hydraulic Head Table of Parts Item Description Part Numbers Cutting Head  NSH5065 Piston DM0903051 NSH5065 Body Sticker Wrap  Cylinder End Cap DM0904020 NSH5065 Cutting Tip Alignment Screw M8x10mm Grub Screw  4.0 mm Hex Key (not shown) 5 mm Allen Key (not shown) Cylinder Vent Plug Wiper Seal...
Page 32 8.15 NSH6575 Hydraulic Head Exploded Views Note: Items marked  are not supplied separately. Items marked  supplied in NSH6575 Cutting Tip Service Kit NSH6575CTK. Items marked  supplied in NSH6575 Seal Kit NSH6575SK.       ...
Page 33 8.16 NSH6575 Hydraulic Head Table of Parts Item Description Part Numbers Cutting Head  NSH6575 Piston DM0919051 NSH6575 Body Sticker Wrap  Cylinder End Cap DM0920020 NSH6575 Cutting Tip Alignment Screw M8x10mm Grub Screw  M4 Hex Key (not shown) NS50 8mm Allen Key (not shown) Cylinder Vent Plug Wiper Seal...
Page 34 8.17 NSC1927/ NSC2432/ NSH1927/ NSH2432 Seal Kit Exploded Views 8.18 NSC1927/ NSC2432/ NSH1927/ NSH2432 Seal Kit Table of Parts Item Description Part Numbers WMU Plain Bushing Cylinder Vent Plug M20 Flat Washer M24 Flat Washer Compression Spring NSH1927SK Bearing Strip Piston Lip Seal Back-Up Ring O-Ring...
Page 35 8.19 NSH3646 Seal Kit Exploded Views 8.20 NSH3646 Seal Kit Table of Parts Item Description Part Numbers WMU Plain Bushing Cylinder Vent Plug M27 Flat Washer Compression Spring NSH3646SK Bearing Strip Piston Lip Seal O-Ring Back-Up Ring L4504_d...
Page 36 8.21 NSH5065 Seal Kit Exploded Views 8.22 NSH5065 Seal Kit Table of Parts Item Description Part Numbers Cylinder Vent Plug Wiper Seal WMU Plain Bushing Bearing + Wiper Cartridge Compression Spring NSH5065SK Piston Bearing Ring Piston Lip Seal End Cap O-Ring Back-Up Ring L4504_d...
Page 37 8.23 NSH6575 Seal Kit Exploded Views 8.24 NSH6575 Seal Kit Table of Parts Item Description Part Numbers Cylinder Vent Plug Wiper Seal WMU Plain Bushing Bearing + Wiper Cartridge Compression Spring NSH6575SK Piston Bearing Ring Piston Lip Seal End Cap O-Ring Back-Up Ring L4504_d...
Page 38 8.25 NSC1927/ NSH1927 Cutting Tip Service Kit Exploded Views 8.26 NSC1927/ NSH1927 Cutting Tip Service Kit Table of Parts Item Description Part Numbers Cutting Tip M4x6mm Grub Screw NSH1927CTK Alignment Screw L4504_d...
Page 39 8.27 NSC2432/ NSH2432 Cutting Tip Service Kit Exploded Views 8.28 NSC2432/ NSH2432 Cutting Tip Service Kit Table of Parts Item Description Part Numbers Cutting Tip M4x6mm Grub Screw NSH2432CTK Alignment Screw L4504_d...
Page 40 8.29 NSH3646 Cutting Tip Service Kit Exploded Views 8.30 NSH3646 Cutting Tip Service Kit Table of Parts Item Description Part Numbers Cutting Tip M5 Socket Set Screw NSH3646CTK Alignment Screw L4504_d...
Page 41 8.31 NSH5065 Cutting Tip Exploded Views 8.32 NSH5065 Cutting Tip Service Kit Table of Parts Item Description Part Numbers Cutting Tip Alignment Screw NSH5065CTK M8x10mm Grub Screw L4504_d...
Page 42 8.33 NSH6575 Cutting Tip Service Kit Exploded Views 8.34 : NSH6575 Cutting Tip Service Kit Table of Parts Item Description Part Numbers Cutting Tip Alignment Screw NSH6575CTK M8x10mm Grub Screw L4504_d...
Page 43: Troubleshooting
Check cleanliness of valve ball. Re- does not seem to be achieving full valve leaking. seat using a hammer and punch. pressure Refer to an approved Enerpac distributor for further instruction. Hydraulic pressure slowly diminishes The release valve is leaking. Refer to an approved Enerpac and the pump handle does not rise distributor for further instructions.
Page 44: Nsc Troubleshooting
9.2 NSC Troubleshooting Fault Possible Cause Corrective Action The piston advances but the tool The Cutting Tip is damaged. Remove pressure from the system does not split the nut then check for any damage to the Cutting Tip. If signs of damage are present replace the Cutting Tip. (See Section 7.3).
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Page 47 NOTES ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________...

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Enerpac NSC Operation And Maintenance Manual

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