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980216

–

HCV270 Manual

Page 4 of 22

Rev 9 Issue 2. Date: 25/08/2021

Introduction

This manual covers the installation, operation and maintenance of a HCV270 as Allspeeds part
number 980216

This is a double acting, hydraulically operated tool suitable for cutting cables and umbilical up to
270mm (10.5

”) in diameter. It requires

two separate dual line hydraulic supply (feed and return) for

the main cutter activation and the hydraulically operated anvil.

Technical Data

HCV270 (part number 980216)

3.1

Physical

Weight of HCV270 in air

373.6 kg (excluding hydraulic fluid and hoses)

Weight of HCV270 in water

324.5 kg (excluding hydraulic fluid and hoses)

Overall Dimensions

706mm (883mm) x 250mm x 1148mm

3.2

Hydraulic Requirements

3.2.1

Main Cutter Cylinder

Cylinder Type

Double acting (feed and return ports)

Maximum Operating Pressure

690 Bar (10,000 PSI)

Swept Volume Cut Stroke

5.3 Litre

Swept Volume Return Stroke

2 Litre

3.2.2

Anvil Auxiliary Cylinders

Cylinder Type

Double acting (feed and return ports)

Maximum Operating Pressure

210 Bar (3,000 PSI)

Swept Volume Cut Stroke

0.132 Litre

Swept Volume Return Stroke

0.081 Litre

IMPORTANT

–

The maximum operating pressure stated above should not be exceeded during use of

this tool. Ensure that all fittings and hoses used are suitable for use at this pressure and rated
accordingly.

This HCV270 is compatible with the following hydraulic fluids:

Good quality hydraulic oil (e.g. Shell Tellus 32, 68 or similar)

Water glycol (e.g. Castrol Transaqua HT2).

Please note that whilst compatible, the use of water glycol fluids may reduce system life.

Ensure that the fluid used is cleaned to NAS Class 6 or better.

Содержание Webtool HCV270

Страница 1: ...n Manual for Allspeeds Ltd Royal Works Atlas Street Clayton Le Moors Lancashire UK BB5 5LW HCV270 Allspeeds Product Code 980216 Allspeeds Document Revision 9 Issue 2 Mod 21092 Date 25 08 21 Original instructions ...

Страница 2: ...7 5 2 Important Information 7 5 3 Safety for Operation 7 5 4 Safety for Maintenance 8 5 5 Warning Symbols 8 6 Installation 9 6 1 Mounting Holes 9 7 Hydraulic Connections 10 8 Operating Instructions 11 8 1 Before Use 11 8 2 Deploying the Tool 11 8 3 Pre Cut Check 12 8 4 Extend the Blade Cut Cycle 13 8 5 Retract the Blade Return Cycle 13 9 Maintenance 14 9 1 Maintenance Notes 14 9 2 Maintenance Sche...

Страница 3: ...NFORCE A SAFE SYSTEM OF WORK BEFORE USE Do not operate the main cutter cylinder unless the anvil is fully closed Ensure that the auxiliary cylinders remain pressurised 200 bar throughout the cut cycle to keep the anvil closed Read understand and follow the instructions within the operating manual before deploying or operating the HCV270 cutter Failing to follow the instructions and operating the c...

Страница 4: ...nts 3 2 1 Main Cutter Cylinder Cylinder Type Double acting feed and return ports Maximum Operating Pressure 690 Bar 10 000 PSI Swept Volume Cut Stroke 5 3 Litre Swept Volume Return Stroke 2 Litre 3 2 2 Anvil Auxiliary Cylinders Cylinder Type Double acting feed and return ports Maximum Operating Pressure 210 Bar 3 000 PSI Swept Volume Cut Stroke 0 132 Litre Swept Volume Return Stroke 0 081 Litre IM...

Страница 5: ...l Considerations This cutter should not be operated outside of the recommended temperature range of 5 C to 60 C This cutter is suitable for use subsea but should be regularly checked cleaned and dewatered using a suitable dewatering spray 3 4 Dimensions Figure 1 Overall dimensions ...

Страница 6: ...ry into which it is to be incorporated has been declared in conformity with the provisions of the machinery directive The technical documentation is compiled in accordance with part A of Annex VII of the Machinery Directive 2006 42 EC Person authorised to compile the relevant technical documentation based in the European Community Name Authorised Rep Compliance LTD Address 71 Baggot Steet Lower Du...

Страница 7: ...e a safe system of work before use To prevent the risk of injury the cutter should only be used by fully trained and competent operators Make sure that all safety devices are in place and functioning correctly Make sure the working area is free of any obstructions Check that all hydraulic hoses are in good condition Ensure that all operators are clear of the area before cutting commences Recommend...

Страница 8: ...sonal injury or serious malfunction of the tool Ensure that the cutter is isolated from and free of hydraulic pressure before any maintenance is carried out 5 5 Warning Symbols General hazard Hydraulic cutting tool with inherently dangerous moving parts Please read and understand this manual to avoid the risk of injury Cut or severing hazard due to the cutting blade ...

Страница 9: ...The cutter body contains a number of mounting holes as shown on the drawing below Figure 2 Mounting holes Ensure that the tool is securely mounted at multiple points and that mounting method is robust enough to support the tool Consult tool mass in section 3 1 when considering mounting possibilities ...

Страница 10: ...ody as shown Please allow 15 when planning hydraulic connections Figure 3 Hydraulic ports Main cylinder ports are 3 8 NPT Auxiliary cylinder ports are 1 4 NPT It is the responsibility of the end user to ensure that a suitable hydraulic supply is installed It is recommended that a relief valve should also be incorporated in the return line to prevent excessively high pressures in the annular side o...

Страница 11: ...ck that the hydraulic supply is set to an appropriate level for operation as stated in section 3 2 8 2 Deploying the Tool Begin the operation with the anvil fully retracted To achieve this pressurise the Anvil Out port on the HCV270 auxiliary cylinder Place the cutter over the workpiece Ensure that the workpiece is fully inserted into the mouth of the tool so that there is no risk of the anvil fou...

Страница 12: ...t the anvil is fully closed before any cut is attempted Visually inspect the closed tool ideally from multiple angles to ensure that the anvil Is fully inserted into the opposing anvil bush In its fully closed position the anvil lever should be parallel with the cutter body as shown below Figure 5 Anvil check ...

Страница 13: ...d the Blade Cut Cycle To extend the blade pressurise the Blade Down port on the HCV270 main cylinder whilst ensuring that the Blade Up port is open to tank Do not exceed the maximum operating pressure Continue to apply pressure until the cut is complete IMPORTANT Do not attempt to open the anvil without first retracting the main ram 8 5 Retract the Blade Return Cycle To retract the blade pressuris...

Страница 14: ...omponents Care should be taken with all mating areas including threads and sealing faces as any damage or abrasive contamination could cause galling or seizing on re assembly Please note a suitable anti galling paste should be used we recommend Swagelok Silver Goop on all stainless steel threads The main cylinder 728075 is a pressure vessel and should not be drilled machined mutilated or damaged i...

Страница 15: ... failure Begin the operation with the anvil fully retracted To achieve this pressurise the Anvil Out port on the HCV270 auxiliary cylinder Loosen the 8 off M6 screws 035079 holding pivot pin housings 749045A B Loosen the M6 retaining screw 035073 Figure 6 Anvil Replacement Withdraw the pivot pin 761267 far enough to release the lever arm There is an M6 tapped hole in the end of the pivot pin to as...

Страница 16: ...stent blade edge with no chips or deformations noted along the entire cutting edge For safety we recommend that this operation is performed with the tool led down Begin with the anvil removed as described in section 9 3 The main cylinder should be in its fully extended position To extend the blade pressurise the Blade Down port on the HCV270 main cylinder whilst ensuring that the Blade Up port is ...

Страница 17: ... assembly tool is available if required from Allspeeds SK4377A Begin operation with the blade removed See section 9 4 for this procedure Firstly remove the coupling hose and blanking plugs 035256 from the top of the tool and attach the cylinder assembly tool SK4377A This can be used to loosen or re tighten the cylinder IMPORTANT Mass of Cylinder 728075 is 55 5kg and Ram 764113 is 26 7kg Ensure a s...

Страница 18: ... deep holes and unscrew the plug The two relief valves have been carefully set to operate at a set pressure and care should be taken not to disturb the settings during removal Remove these parts with a 17mm socket and 5mm hex bit With these parts now separate and the bearing ring 774032 now accessible all main seals can be seen and replaced Figure 9 Seal access Figure 10 Main seal assembly ...

Страница 19: ...2 079043 Auxiliary cylinder mounting stud 2 080971 Washer M6 4 082223 M12 bonded seal 2 31 99 2834 Eyebolt din 580 M16 4 701195 90 degree elbow 2 705050c Blade 1 709062 Auxiliary cylinder ram head 2 715345 Pivot pin lever bush 2 715348 Anvil guide bush 1 715350 Anvil bush 1 728075 Cylinder 1 728077 Auxiliary cylinder body 2 749045A Pivot pin housing 1 749045B Pivot pin housing 1 761247 Anvil pin 1...

Страница 20: ...ial Body Alloy steel Cylinder Alloy Steel Ram Alloy steel Anvil Stainless bronze Blade Tool steel Guide Bush Aluminium bronze Table 3 Materials of Construction Remaining components should be disposed of in accordance with local current regulations Hydraulic fluid should be drained into a suitable container and disposed of in accordance with current local regulations ...

Страница 21: ...fier Features a unique safety circuit that automatically bleeds excess pressure back to tank Compatible with 2 port hotstabs Fitted with industry standard MiniBOOSTER intensifier Available in a range of intensification ratios boosting to a maximum 690 bar Factory set relief valve on output stage for additional safety Hydraulic Interlock and Completion Kit Hydraulic interlock prevents damage to the...

Страница 22: ...tters up to 165mm diameter Cable grippers up to 200mm diameter with 20 tonne lift capacity Emergency disconnection systems for both topside and subsea applications Long term subsea tools for deployment by R ROV systems APPLICATION SPECIFIC SOLUTIONS Our experienced in house design and manufacturing team can quickly and efficiently develop a solution to suit your particular application Contact us t...

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