William Hackett L4 Manual

Lever hoist
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L4 Lever Hoist Manual
incorporating the
ATEX L4 Lever Hoist
1

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Summary of Contents for William Hackett L4

  • Page 1 L4 Lever Hoist Manual incorporating the ATEX L4 Lever Hoist...
  • Page 3: Table Of Contents

    Contents Dimensions and Specifications ..........Hoist Selection .
  • Page 4: Dimensions And Specifications

    Dimensions and Specifications Single Fall Multi Fall Table 1: Product specification, dimensions and WLLs for William Hackett L4 Lever Hoists Extra Load Standard Part No. of Mass Weight Chain Lift Code tonnes Falls per M 033.075 5.6 x 17 37.5 033.150...
  • Page 5: Hoist Selection

    William Hackett L4 lever hoists are manufactured in accordance with BS EN 13157:2004+A1:2009, ASME B30.21-2014, AS1418.2-1997 and SANS 1636:2-2007. William Hackett L4 lever hoists are assembled, chained and tested in the UK to the height of lift specified by the end user.
  • Page 6: Hoist Attachment / Mounting

    Hoist Attachment / Mounting Check the correct engagement of the top and bottom hooks. The hooks should be free to articulate fully when engaged with the load attachment points without overcrowding or point loading. Ensure that the suspension structure has sufficient load bearing strength and capacity to support the load being lifted.
  • Page 7: Pre-Use Procedure

    Pre-use Procedure Before issue from the designated storage location the certification supplied with the lever hoist should be confirmed as within date. The label on the hoist should be fully legible and it should correspond with the relevant certification. Conducting thorough and consistent checks on a lever hoist immediately prior to use will help identify problems due to accidental damage, internal corrosion, brake contamination or inappropriate storage.
  • Page 8: Safe Use Information

    Do not attempt lifting operations unless you understand the use of the equipment, the lifting and slinging procedures and you have been suitably trained. William Hackett L4 lever hoists are not designed for lifting people and should not be used for that purpose. Use appropriate personal protective equipment (PPE).
  • Page 9: Fleeting Advice

    Fleeting Advice The following guidance is for the safe use of manual lever hoists when being used away from the vertical (between 0° and 45°), and when lifting and moving a load in conjunction with additional manual lever hoists (known as fleeting or cross hauling). These lifting operations should be assessed and planned by a competent person.
  • Page 10: Storage And Control Procedures

    Storage and Control Procedures The equipment should ideally be stored in a purpose designed facility where it can be kept secure from unauthorised use. A responsible person should control the issue and receipt of all lifting appliances and accessories, and a system to manage statutory inspections should be in place. Storage would normally be on suitable racks within a container a manner that prevents accidental mechanical damage and where the load chains are clear from the ground.
  • Page 11: Practical Considerations For The Use Of The Ss-C4 And Cp-C4 Subsea

    Practical Considerations Practical Considerations in Spark Sensitive Environments William Hackett ATEX range is specially designed for use in spark sensitive environments. Atex lever hoists are clearly marked and are further identifiable by copper coated hooks. Standard pre-use, storage, control and safe use instructions apply to these hoists.
  • Page 12: Spare Parts Inspection Category

    (Do Not Shotblast) Standard Corrosion Protected STANDARD INSPECTION - Type 2 or Painted Components Inspection Type (1 or 2) Part Quantity Description Code ATEX L4 L4.01 Left Side Plate Assembly L4.02 Load Sheave L4.03 Chain Guide L4.04 Top Hook Pin L4.05 Top Hook Assembly L4.06...
  • Page 13: Parts List

    Parts List Part ATEX L4 Part Name Code Finish Finish L4.01 Left Side Plate Assembly Zinc Zinc L4.02 Load Sheave Black Black L4.03 Chain Guide Zinc Copper L4.04 Top Hook Pin Black Black L4.05 Top Hook Assembly Zinc - Powder Coated Powder Coated - Copper L4.06...
  • Page 14: Parts Explosion

    Parts Explosion...
  • Page 15: Hoist Disassembly

    Hoist Disassembly L4 Maintenance Instructions - Models: WH-L4 and ATEX-L4 Tool requirements: Nylon/dead blow hammer Circlip pliers Ball Pein hammer Long nose pliers Socket/wrench: 5mm, 7mm, 8mm, 10mm, 12mm, 13mm, 14mm and 17mm. Allen keys: 3mm, 4mm, 6mm and 8mm.
  • Page 16 15. Remove the pinion gears #9 2 pcs and pinion shaft #8. 16. On 750kg/800kg models the top hook load pin and hook can now be removed. 17. The load gear #7 can now be lifted from the load sprocket/sheave. 18.
  • Page 17: Maintenance And Repair

    Maintenance and Repair L4.01 Left Side Plate Assembly Inspection Type: Visual Quantity: Examine body plates for alignment and ensure they are free from wear and distortion, examine load pin, guide and stripper holes for signs of wear and stretch, check stay bolts and pawl stands are secure and free from defects.
  • Page 18 Action: Shotblast and repaint or replace if required. For ATEX variant contact manufacturer. L4.06 Right Side Plate Assembly Inspection Type: Visual Quantity:...
  • Page 19 Maintenance and Repair L4.09 Pinion Gear Inspection Type: Visual Quantity: Examine gears for wear, fractures and alignment Action: Clean and regrease or replace if necessary. L4.10 Gear Cover Inspection Type: Visual Quantity: Examine for cracks, distortion,damaged or broken parts, check gear bushings are secure and in good condition.
  • Page 20 Maintenance and Repair L4.13 Disc Hub Inspection Type: Visual Quantity: Check splines and ensure the component mating surfaces are smooth, flat and without excessive corrosion. Action: Replace if necessary. L4.14 Pawl Spring Inspection Type: Visual Quantity: Examine pawl springs for corrosion and fractures, ensure the spring is good working order and not deformed or stretched.
  • Page 21 Maintenance and Repair L4.17 Friction Disc Inspection Type: Visual Quantity: Check for fractures, wear and damage ensuring mating surfaces are flat and clean and free from contaminents. Action: Replace if any defects found. L4.18 Ratchet Gear Inspection Type: Visual Quantity: Examine ratchet teeth and brake component surfaces ensuring they are smooth and flat.
  • Page 22 Maintenance and Repair L4.22 Handle Cover Assembly Inspection Type: Visual Quantity: Examine lever for cracks, corrosion, distortion, damage and wear. Check selector lever function is smooth and secure. Check grip/handle is of good condition and secure. Check handle assembly fixings are of good condition.
  • Page 23 Maintenance and Repair L4.26 Change Over Stand Inspection Type: Visual Quantity: Check stand for wear, cracks, corrosion and damage, examine fit of pawl to selector lever shaft of handle. The pawl stand should not be bent or deformed, check spring dimensions as per diagram.
  • Page 24 Maintenance and Repair L4.30 Grip Ring Inspection Type: Quantity: Check grip ring for wear and damage. Action: Shotblast and repaint or replace. L4.31 Stop Cam Inspection Type: Visual Quantity: Check splines and ensure the component mating surfaces are smooth, flat and without corrosion or wear.
  • Page 25 Maintenance and Repair L4.34 Split Pin Inspection Type: Not Applicable Quantity: Action: Discard and replace. L4.36 Square Type End Stop Inspection Type: Visual Quantity: Check for cracks, corrosion, distortion and wear. Action: Replace if necessary. L4.37 Bottom Hook Assembly Inspection Type:...
  • Page 26 Maintenance and Repair L4.47 Latch Kit Inspection Type: Not Applicable Quantity: Latch assemblies should be secure and free/smooth to open and close. Springs and bolts should be free from cracks and damage. Action: Shotblast and repaint or replace. L4.48 Label...
  • Page 27: Assembly Instructions

    Assembly Instructions Hoist Assembly NEVER perform maintenance whilst the hoist is under load. Always use OEM parts where replacement parts where replacement parts are necessary. These instructions should be used alongside the illustrated parts list. 1. Clean, lubricate and refit hoist bearings or if applicable clean and apply a light coating of grease to the plain bushes.
  • Page 28 16. Install the change gear turning clockwise ensuring it is fully seated onto the upper friction disc. 17. Install the change over stand, spring and pawl #24, #25 and #26 into the upper handle and secure with fixings #21, #29 and 29A. 18.
  • Page 29: Miscellaneous

    Miscellaneous BRAKE DISC Replacement limits for Ratchet Brake System Replacement limits for brake disc B min D min (kg) (mm) (mm) (mm) (mm) 750/800 (kg) (mm) (mm) (mm) (mm) 1500/1600 750/800 3000/9000 1500/1600 40.3 3000/9000 40.3 B = inner diameter C = normal measurement A = outer diameter D = replacement limit...
  • Page 30: Warranty

    L4 lever hoist can be used for multi immersions The L4 lever hoist is a lifting appliance and should be thoroughly examined by a competent person at least every 12 months, or following each period of deployment.
  • Page 32 William Hackett Lifting Products Limited Oak Drive, Lionheart Enterprise Park Alnwick, Northumberland United Kingdom NE66 2EU t: 01665 604200 f: 01665 604204 William Hackett Chain Products Limited Maypole Fields, Cradley Halesowen, West Midlands United Kingdom B63 2QE...

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