Advertisement

Quick Links

MECHANICAL QUICK COUPLER
Installation & Operation Manual (English)
Important: This manual must be kept with the excavator at all
times and referred to as required
Harford Attachments Ltd

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Safelock and is the answer not in the manual?

Questions and answers

Summary of Contents for Harford Attachments Safelock

  • Page 1 MECHANICAL QUICK COUPLER Installation & Operation Manual (English) Important: This manual must be kept with the excavator at all times and referred to as required Harford Attachments Ltd...
  • Page 2: Table Of Contents

    Serial number table (above) for completion by owner This manual part number SAFELOCK/GEN/MAN/R5 If this Safelock quick hitch to is to be used on a jobsite, the operator shall follow the site rules where the machine is to be used.
  • Page 3: Item Checklist

    This Manual contains installation and operation instructions for the mechanical Harford Safelock quick coupler. If the quick hitch you are operate is not a Safelock, please refer to the appropriate manual.
  • Page 4: Guide To Safety Symbols

    Safety features There are several important safety features that are an integral part of the Harford Safelock Mechanical quick coupler. Each feature is designed to reduce the eventuality of an attachment becoming disengaged whilst connected to the coupler.
  • Page 5: Safety Labels

    Harford Attachments, on +44 (0)1603 403099. The following safety label is supplied in the required quantities with the Safelock fitting kit. Their locations are given in the description, and shown graphically in the following diagram.
  • Page 6: Safety Sticker And Data Plate Location Guide

    Storage Instructions If your Safelock Quick hitch is to be removed for an extended period of time, please observe the following instructions: SAFETY NOTICE:...
  • Page 7: End Of Life Considerations

    End of Life Considerations Your Safelock quick hitch is predominantly made of recyclable materials. If your quick hitch should become damaged beyond repair and is to be disposed of, please be aware of the environmentally unfriendly nature of the lubricants and hydraulic fluids used. Please check the cleaning and disposal instructions of the supplier of the contaminants before disposing of the hitch in an environmentally responsible manner.
  • Page 8: Fitting The Safelock Coupler To The Excavator

    3. With the crowd link positioned above the rear mounting hole, lower the dipper arm to within 50-75 mm of the top of the Safelock, as shown in Figure 1. 4. Extend the crowd cylinder. Carefully align the crowd link arm between the two rear mounting holes.
  • Page 9 If hammers are to be used for long periods of time the quick hitch should be removed to prevent unnecessary wear. IMPORTANT: The use of pallet forks with this quick hitch is not permitted IMPORTANT The operator of the machine should be adequately trained in the quick hitch’s safe operation before use. ©2022 Harford Attachments Ltd SAFELOCK/GEN/MAN/R5...
  • Page 10: Connecting An Attachment

    6. Keep extending the crowd cylinder so that the front attachment pin is firmly seated in the ‘C’ shaped jaw and the Safelock coupler is seated onto the rear locking plate. 7. Close the safety handle against the safety lock. Ensure the attachment is clear of the ground (failure to do so could put undue stress on the front hooks and cause distortion).
  • Page 11: Releasing An Attachment

    2. The lifting eye is designed to be used with a lifting shackle with the same safe working load rating. 3. Release any attachment from the Safelock coupler prior to using it to lift a load. WARNING: Ensure that the safe lifting capacity of the excavator is not exceeded. Refer to the excavator manufacturer’s operational manual for this information.
  • Page 12: Maintenance

    Maintenance SAFETY NOTICE: It is strongly recommended that the Safelock quick hitch is lowered to the ground, the machine switched off and the ignition key removed, the parking brake engaged and blocks applied to the wheels, and safety gloves are worn during any maintenance on the quick hitch.
  • Page 13: Warranty

    Warranty Earthmoving Attachment Harford Attachments Ltd (the seller) warrants their quick hitches as follows: 1. The seller shall repair or replace at the seller’s option any of the goods which are, or which become, defective within 12 months from delivery due to faulty workmanship, materials or faulty design, provided that the buyer shall have notified the seller in writing of such defect and have given the seller a reasonable opportunity to inspect the defective goods.

Table of Contents