H Hitch Installation and User Manual
Contents
1. Si _ Rear view Clamp locked Fig 2a N se ee Front view Clamp Released Fig 1b eer ea ai ee l Clamp Locked Fig 2b Cut out showing hydraulic cylinder with internal spring Fig 3 Masterhitch Hydraulic Ram The Masterhitch Hooker Hitch uses a hydraulic ram inside the quick hitch to operate the lock clamps See fig 3 The Hooker Hitch has a strong spring inside the ram which stops the jaws creeping See fig 3 The principle of operation is that the Hydraulic ram is always under constant pressure while the engine of the machine is running and the switch in the cab is locked in the off position This alone should ensure that the Masterhitch always remains locked onto the bucket or attachment However the spring inside the ram ensures there is no danger of the clamps creeping back and releasing the bucket or attachment Spring forces are as follows MHO08 300 kgs force MH15 375kgs force MH22 375 kgs force MH35 715 kgs force MH45 715 kgs force WARNING THIS OPERATION SHOULD ONLY BE CARRIED OUT IN AN AREA WHICH IS SAFELY AWAY FROM ALL PERSONNEL Sequence to attach a bucket 1 Unlock the Quick Hitch switch and turn on see fig 4 A buzzer will sound and a red strobe light will start to flash 2 Depress the top button on the left hand joystick to retract the two locking clamps 3 With the buzzer sounding and the left hand joystick top button still depressed locate the Hooker Hitch2. Hooker Hitch and all relevant work site safety procedures are to be followed It is important that the operator reads this and the base machine operation manuals and fully understands the operation of the Hooker Hitch before operating it and or any of its attachments The operator must also follow work site safety procedures Lifting should be done using the appropriate lifting eye on the machine Any bucket or attachment is to be removed prior to lifting It is recommended that Hooker Hitch remains permanently fitted to the machine and therefore should be inspected tested with the machine annually Personnel should not enter the working area of the machine while it is being operated Repair work should only be carried out by Masterhitch Europe Ltd or an engineer appropriately qualified on the Hitch Stickers and Labels Each Masterhitch Hooker Hitch is fitted with an identification plate This identification plate gives the following information The part number which indicates the machine type for which the Masterhitch is designed to fit The Masterhitch serial number The year of manufacture The Nett Weight of the Masterhitch The Safe Working Load for the Masterhitch The working pressure Manufactures name and address EUROPE LTD The Whitewall Centre Whitewall Road Strood Kent ME2 4DZ UNITED KINGDOM DB Tel 44 0 1634 290022 Oy www masterhitch co uk MASTERHINCH Reg Serial No Working Pressure Bar
3. location where it cannot fall or be knocked over Disposal If the Masterhitch Hooker is to be disposed of the following procedure should be carried out Drain all hydraulic oil from the hydraulic cylinder into suitable containers e Remove any oil grease and debris from the Masterhitch Hooker e The Hooker can then be recycled via a scrap metal merchant For further information please contact Masterhitch Europe Ltd The Whitewall Centre Whitewall Road Strood Kent ME2 4DZ Telephone 44 0 1634 290022 Fax 44 0 1634 259626 Email mail masterhitch co uk Web Site www masterhich co uk cE Patent Pending 11
4. Masterhitch Europe Ltd Hooker Hitch Installation and User Manual THE SAFEST HITCH IN THE WORLD This manual must be kept at all times within the cab of the machine to which the Hooker Hitch is fitted and available to all personnel who require this manual Introduction Masterhitch Europe Ltd would like to thank you for purchasing the Masterhitch Hooker Hitch The Hooker Hitch is a dedicated coupler and provides a quick and efficient changeover of buckets and attachments while maintaining original machine geometry with no loss of digging force Please read this manual and any other enclosed documentation before operating This manual should be made available to all persons who may use or maintain the Hooker Hitch e INTRODUCTION Page 1 e SAFETY NOTES Page 2 e STICKERS AND LABELS Page 3 e PRINCIPLES OF OPERATION Page 4 e BUCKET OR ATTACHMENT PICKUP Page 7 e BUCKET OR ATTACHMENT RELEASE Page 8 e THE USE OF THE LIFTING EYE Page 8 e SUITABILITY OF ATTACHMENTS Page 9 e MAINTENANCE Page 9 e PROHIBITED OPERATIONS Page 9 e SPARE PARTS LIST Page 10 e WARRANTY Page 10 e STORAGE AND DISPOSAL Page 11 e CONTACT Page 11 Safety notices All personnel working with the equipment must read the Masterhitch and base machine operation manuals and fully understand the function of the Masterhitch before operating it and or any of its attachments Particular attention should be paid to the personal safety while installing using or maintaining the
5. achment has been specifically manufactured and tested and approved for that purpose Spare parts list A _B AN AS ove N a R nn a EAE L _ 0 J o D AE op i E i H B A B MHDB HOOKER MHISHOCKER M2 HOOKER MSHORR SHOR Ql ltebuehes M 202830 IVH303840 MBELO RamsecPrs MB MHI5I4 M214 M54 GubScevs MIOx2 A B C D E BdetAn MOL F G H I ORirgs Mees MB MW MB MEB width MR M MEA Meo M Frort Jaw MO Mi MM MA MAM Warranty All parts of the Masterhitch Hitch are covered by a 12 month parts returned warranty unless the Masterhitch is used on a breaker then the warranty is reduced to 6 months 10 Storage and disposal Storage If the Masterhitch Hooker is to be stored for any prolonged period of time the following procedure should be followed e Remove the Masterhitch Hooker from the machine e Fit blanking caps to the open hydraulic ports e Remove oil grease and debris from the Masterhitch Hooker by power washing if necessary e Apply a smear of grease to exposed and unprotected metal surfaces e g bosses and Ram Rod e The Masterhitch Hooker should be placed in a secure dry
6. ee ee Year of Manufacture Weight Kg SWL Kg Pressure Min Max Bar l ICE Serial plate MUS TERUIE sunore i The wend Corro THE TOUGHEST RANGE OF HITCHES BUCKETS WEAR PARTS ATTACHMENTS ANDACCESSORIES Waread Road Brood Kant ME ADI Tok PUK 44 0 1634 250022 n e x x Ena red ra d NB THIS SHOULD ONLY BE CARRIED OUT IN AN AREA MOETEN TEENE WHICH IS SAFELY AWAY FROM ALL PERSONNEL Master Hooker sequence to release a bucket Place the bucket level and just above the ground Unlock the Quick Hitch switch and tum on A buzzer will sound and a red strobe light will flash Depress the top button on the left hand joystick retract the jaws You may have pressurise a control to assist the jaws to retract You will be able to see both jaws retract 4 Holding the top button on the left hand joystick down gently push down and operate the hydraulic control lever to open the bucket The Master Hooker will release when rolled open and down and towards you all aai g Master Hooker sequence to attach a bucket 1 Unlock the Quick Hitch switch and tum on A buzzer will sound and a red strobe light will start flash 2 Depress the top button on the left hand joystick to retract the two locking clamps 3 With the buzzer sounding and the left hand joystick top button still depressed locate the Master Hooker on the bucket pin nearest the cab 4 Engage the hook of the Master Hoaker on the bucket pin and roll the Master Hooker on
7. in cab Principles of Operation and Safety These are the operating maintenance and safety instructions for the safe use of the Masterhitch Hooker Hitch system All machine operators should be correctly trained in the safe use of the machine including the safe and correct use of the Masterhitch If you are unsure or have any questions please contact Masterhitch Europe Ltd before commencing any work The Masterhitch Hooker Hitch is a dedicated Quick Coupler and can only be used with dedicated Masterhitch Buckets and Attachments The Masterhitch uses the bucket pins to locate on see fig 1a and 1b and two clamps to lock onto the bucket or attachment See fig 2a and 2b The Masterhitch Hooker Hitch has been designed with safety as top priority making it in our opinion the safest quick coupler on the market The way the Hooker attaches to the bucket or attachment makes it impossible for the bucket or attachment to be dropped off even in the unlocked position as the bucket has to be placed on the ground before you can disengage the hook from the bucket Once the Hooker is locked on to the bucket the hydraulic circuit remains in a constantly pressurised state therefore it is impossible to unlock itself In the event of hydraulic failure the strong spring inside the ram ensures the locks remain in the locked position and the only way to remove the bucket or attachment is with the hydraulic pressure BN Rear view Clamp Released Fig 1a
8. ly push down and operate the hydraulic control lever to open the bucket The Hooker Hitch will release when rolled open and down and towards you The use of the lifting bar All Master Hooker Hitches are fitted with tested and certified lifting bars and eyes e Always place the Masterhitch flat and on the Floor with the excavator engine turned off when fitting or removing chains and strops e Always fit the correct sized shackle for the attachment of the chain or sling e The lifting bar on the Master Hooker is intended for straight lifts only Do not use the lifting bar for pulling at an angle e Always refer to the Machine Manufacturer s specifications for the SWL at various radii for the machine Do not exceed these ratings e Remember that the heaviest load that can be lifted is the LOWEST SWL of the machine the shackle the Masterhitch lifting bar and the chains slings e Never use any other part of the Masterhitch for lifting e Never use any other part of the Masterhitch for pushing or prying e Only tested and certified chains and slings should be used for lifting e Never swing suspended loads over heads of personnel e The test certificate supplied with the Masterhitch is valid for 12 months and requires retesting when the 12 month period has expired and every 12 months after that Attachments used with the Masterhitch Hooker The Masterhitch can be used safely with many attachments that have been designed fo
9. on the bucket pin nearest the cab 4 Engage the hook of the Hooker Hitch on the bucket pin and roll the Hooker Hitch onto the bucket by carrying out the bucket closing action together with a small amount of boom raise action 5 When the bucket starts to close give it a slight shake to ensure that the bucket is seated squarely 6 Release the top button on the left hand joystick fig 5 The jaws will close and lock onto the bucket pins 7 Gently close the bucket fully and continue to apply hydraulic pressure Check both locks have fully engaged 8 Carry out a shake test away from personnel to ensure that the bucket is securely attached and locked fig 6 9 Turn off the buzzer which will lock the hydraulic circuit to the Hooker Hitch in the locked position a Masterhitch unlock buzzer switch Button to retract pins Fig 4 Fig 5 Rear Jaw in locked position Rear Jaw in unlocked position WARNING THIS OPERATION SHOULD ONLY BE CARRIED OUT IN AN AREA WHICH IS SAFELY AWAY FROM ALL PERSONNEL Sequence to release a bucket 1 Place the bucket level and just above the ground 2 Unlock the Quick Hitch switch and turn on A buzzer will sound and a red strobe light will flash 3 Depress the top button on the left hand joystick to retract the jaws You may have to pressurize a control to assist the jaws to retract You will be able to see both jaws retract 4 Holding the top button on the left hand joystick down gent
10. r use with it Attachments which can safely be used include Buckets Trenching Ditching Grading Rock and Riddle etc Clamshell buckets and Grapples Rippers and rakes Compactors Breakers and Augers Handlers and Kerb lifters Selecta Grabs and Shears Reversible Forks All bucket sizes are fully reversible however in the reversed position they may hit the cab boom or boom rans Maintenance of the Masterhitch Hooker The Hooker Hitch should be properly maintained to keep it in good working order Daily check that the Hooker Hitch is clear of debris and the area between the hitch and the dipper is kept clear of heavy lumps of soil and especially hardcore as these could damage the hydraulic pipes and hoses The Hooker Hitch should never be used to transport or lift persons unless an attachment has been specifically manufactured and tested and approved for that purpose All pins are sealed for life so there is no need for lubrication The Hooker Hitch should be inspected every 6 months if not permanently attached to the machine or every 12 months if permanently attached to the machine in accordance with LOLER Prohibited operations DO NOT use the Masterhitch to strike material or hammer poles or post etc as this could cause damaged to the Masterhitch and function could become impaired which could result in serious injury or even death The Masterhitch MUST NEVER be used to transport or lift persons unless an att
11. to the bucket by carrying out the bucket closing action together with a small amount of boom raise action 5 When the bucket starts to close give it a slight shake ensure that the bucket is seated squarely 6 Release the top button on the left hand joystick The jaws will close and lock onto the bucket pins 7 Gently close the bucket fully and continue to apply hydraulic pressure Check both locks have fully engaged 8 Carry outa shake teat away from personnel ensure that the bucket is securely attached and locked 9 Turn off the buzzer which will lock the hydraulic circuit to the Master Hooker in the locked position Maintenance of the Master Hooker 1 The Master Hooker should be properly maintained keep it in good working order 2 Daily check that the Master Hooker is clear of debris and the area between the hitch and the dipper stick is kept clear of heavy lumps of soil and especially hardcore as this could damage the hydraulic pipes and hoses 3 The Master Hooker should never be used to transport or lift persons unless an attachment has been specifically manufactured and ested and approved for that purpose 4 All pins are sealed for life so there is no need for any lubrication 5 The Master Hooker should be inspected every 6 months if not permanently attached the machine or every 12 months ifpermanenily attached to the machine in accordance with LOLER C PATENT PENDING Operators and Maintenance label
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