McConnel PA7070T Operator's Manual

Tractor mounted hedgecutter / grass mower
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McCONNEL
Publication 839
May 2016
Part No. 23671.39
PA7070T FRONT MOUNT
Operator Manual
This manual must be used in conjunction with the
Operation Manual for the specific control system

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Table of Contents
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Summary of Contents for McConnel PA7070T

  • Page 1 McCONNEL Publication 839 May 2016 Part No. 23671.39 PA7070T FRONT MOUNT Operator Manual This manual must be used in conjunction with the Operation Manual for the specific control system...
  • Page 2 VERIFICATION OF WARRANTY REGISTRATION DEALER WARRANTY INFORMATION & REGISTRATION VERIFICATION It is imperative that the selling dealer registers this machine with McConnel Limited before delivery to the end user – failure to do so may affect the validity of the machine warranty.
  • Page 3 12 months, unless a different period is specified. 1.02. All spare parts supplied by McConnel Ltd and purchased by the end user are warranted to be free from defects in material and workmanship from the date of sale to the original purchaser for a period of 6 months.
  • Page 4 McConnel Ltd web site and confirms the registration to the purchaser by completing the confirmation form in the operator’s manual. 2.02. Any fault must be reported to an authorised McConnel Ltd dealer as soon as it occurs. Continued use of a machine, after a fault has occurred, can result in further component failure for which McConnel Ltd cannot be held liable.
  • Page 5 DECLARATION OF CONFORMITY Conforming to EU Machinery Directive 2006/42/EC McCONNEL LIMITED, Temeside Works, Ludlow, Shropshire SY8 1JL, UK Hereby declare that: The Product; Tractor Mounted Hedgecutter / Grass Mower Product Code; PA56, PA64, PA65, PA77, P70S Serial No. & Date ………………………………… Type …………………………...
  • Page 6 The inspection sheet on the following page should be kept in this book as a record. A second sheet is included for you to cut out and photocopy or the inspection sheets can be downloaded from our website at; http://www.mcconnel.com/support/aftersales/default.aspx?nav=After Sales...
  • Page 8 POWER ARM PRE-OPERATION Inspection Power Arm ID ________________ Date: _______________ Shift: _______________ WARNING Before conducting the inspection, make sure the tractor engine is off, the key removed, all rotation has stopped and the tractor is in park with the parking brake engaged. Make sure the mower head is resting on the ground or is securely blocked up and supported and all hydraulic pressure has been relieved.
  • Page 9 TRACTOR PRE-OPERATION Inspection Power Arm ID ________________ Date: _______________ Shift: _______________ WARNING Before conducting the inspection, make sure the tractor engine is off, the key is removed all rotation has stopped and the tractor is in park with the parking brake engaged. Any implement attached to the tractor is firmly on the ground.
  • Page 10 POWER ARM PRE-OPERATION Inspection Power Arm ID ________________ Date: _______________ Shift: _______________ WARNING Before conducting the inspection, make sure the tractor engine is off, the key removed, all rotation has stopped and the tractor is in park with the parking brake engaged. Make sure the mower head is resting on the ground or is securely blocked up and supported and all hydraulic pressure has been relieved.
  • Page 11 TRACTOR PRE-OPERATION Inspection Power Arm ID ________________ Date: _______________ Shift: _______________ WARNING Before conducting the inspection, make sure the tractor engine is off, the key is removed all rotation has stopped and the tractor is in park with the parking brake engaged. Any implement attached to the tractor is firmly on the ground.
  • Page 12 Shropshire England Telephone: +44 (0)1584 873131 www.mcconnel.com - NOISE STATEMENT - The equivalent daily personal noise exposure from this machine measured at the operators’ ear is within the range 78 – 85 dB, these figures apply to a normal distribution of use where the noise fluctuates between zero and maximum.
  • Page 14 For best performance… USE ONLY GENUINE McCONNEL SERVICE PARTS To be assured of the latest design improvements purchase your ‘Genuine Replacements’ from the ‘Original Equipment Manufacturer’ McCON NEL LIMITED Through your local Dealer or Stockist Always quote:  Machine Type ...
  • Page 16: Table Of Contents

    CONTENTS General Information Features & Specifications Dimensions Safety Information Tractor Requirements Vehicle / Tractor Preparation Delivery & Pre-attachment Hydraulic Oil Machine Attachment Machine Removal PTO Driveshaft Installation Fitting Operator Control Units Controls Operation (Default) Flailhead Attachment Weight Kit Running Up Procedure Emergency Stopping Breakaway Protection Powered Slew...
  • Page 17: General Information

    Read this manual before fitting or operating the machine or accessory. Whenever any doubt exists contact your local dealer or the McConnel Service Department for assistance. This manual must be used in conjunction with the specific control unit operation manual and the operation manual for the particular type of head attachment fitted to the machine.
  • Page 18: Features & Specifications

    FEATURES / SPECIFICATIONS PA7070T FM  Linkage mounted.  Right or left hand cutting.  Cast iron gearbox.  Operator guard.  Hydraulic breakaway.  50° Breakback.  200 Litre hydraulic reservoir.  85HP Hydraulic System. Options  Choice of Flailheads & Attachments.
  • Page 19: Dimensions

    DIMENSIONS Transport Dimensions Note: the mounting height (*) is stated as 0.45m but may vary depending on the specific application, where a variance occurs the overall transport height will also alter. Operators are advised to take their own measurements in order to determine the overall transport height for their machine.
  • Page 20 Operating Dimensions...
  • Page 21: Safety Information

    SAFETY SECTION This machine has the potential to be extremely dangerous - in the wrong hands it can kill or maim; It is therefore imperative that both owner and operator of the machine reads and understands the following section to ensure they are fully aware of the dangers that do, or may exist, and their responsibilities surrounding the use and operation of the machine.
  • Page 22 BEFORE USING THIS MACHINE YOU MUST: ▲ Ensure you read all sections of the operator handbook. ▲ Ensure the operator is, or has been, properly trained to use the machine. ▲ Ensure the operator has been issued with and reads the operator handbook. ▲...
  • Page 23 ▲ Always disengage the machine, kill the tractor engine, remove and pocket the key before dismounting for any reason. ▲ Always clear up all debris left at the work area, it may cause hazard to others. ▲ Always ensure when you remove your machine from the tractor that it is left in a safe and stable position using the stands and props provided and secured if necessary.
  • Page 24 No advice given here can replace ‘good common sense’ and ‘total awareness’ at all times, but will go a long way towards the safe use of your McConnel machine.
  • Page 25: Tractor Requirements

    TRACTOR REQUIREMENTS Minimum Tractor Weights - including ballast weight if necessary. PA7070T FM Models – 7000kg Minimum HP Requirements All models – 125HP Linkage Category 2 PTO Shaft Tractor must be equipped with a live drive PTO to enable forward motion to be stopped while the flailhead continues to operate.
  • Page 26: Vehicle/ Tractor Preparation

    VEHICLE/ TRACTOR PREPARATION We recommend vehicles are fitted with cabs using safety glass windows and protective guarding when used with our machines. Fit Operator Guard (part no. 73 13 324) using the hooks provided. Shape mesh to cover all vulnerable areas. Remember the driver must be looking through mesh and/or polycarbonate glazing when viewing the flail head in any working position - unless the vehicle/ cab manufacturer can...
  • Page 27: Delivery & Pre-Attachment

    DELIVERY & PRE-ATTACHMENT (Dealer Reference) Delivery The machine will be delivered in a secure condition with transport straps and banding. Select a firm level site on which to place the machine before removing the straps, banding and any other loose items. Handling the Machine Handling of the machine should always be performed using suitable overhead lifting equipment with a minimum safe lifting capacity over and above the maximum weight of the...
  • Page 28 Packing Kit A packing kit is fitted to secure the machine in a stable condition during shipping; this must be removed prior to attaching the machine to the tractor. The packing kit comprises of a steel strap securing the lower dipper arm to the mounting frame. Removal of the strap is by releasing the 2 fixing nuts and bolts and a linkage pin on the mounting frame.
  • Page 29: Hydraulic Oil

    HYDRAULIC OIL Hydraulic Oil Reservoir Fill the tank with oil selected from the chart below or a good quality equivalent to a point where the level is between the minimum and maximum marks on the tank gauge. When the machine is initially run the level will drop as the oil is drawn into the circuit - top back up as required to the correct level on the gauge.
  • Page 30: Machine Attachment

    MACHINE ATTACHMENT Attachment of the machine to the tractor must be performed on a firm level site. Ensure bystanders are kept at a safe distance at all times. Set link arms to connection height. Install link balls & spacers on link pins; assemble to match linkage width. Drive forwards, raise linkage to connect on link balls.
  • Page 31: Machine Removal

    Measure and fit PTO shaft; see PTO installation page. Install the operator control unit in the tractor’s cab. Attach torque chains to stop guards from rotating. Route wiring looms with care avoiding moving parts. Operation of external linkage lift controls – if applicable If the tractor is equipped with external lift control the operator and all other persons must remain clear of the machine at all times when raising or...
  • Page 32: Pto Driveshaft Installation

    PTO DRIVESHAFT INSTALLATION The PTO driveshaft attaches between the tractor and the machine gearbox to transfer the power required to the run and operate the machine – it is important to achieve the correct shaft length to avoid risk of it ‘bottoming out’ when raising or lowering the machine. The procedure for measuring and cutting the shaft is as follows: Measuring the PTO Shaft...
  • Page 33: Fitting Operator Control Units

    FITTING OPERATOR CONTROL UNITS Fitment of the operator controls in the tractor cab will vary depending on the particular model or specification of machine – the information below lists the differing methods of fitment for the various types of controls available. Electric control units work within the range of 12v-16v DC and will require a minimum power supply of 12v DC.
  • Page 34: Controls Operation (Default)

    MACHINE DEFAULT CONTROLS - PA7070T 85HP Front-Mount Machines The following illustrations identify the default controls for the PA7070T 85HP Front-Mount machines; for further details and customisation options this information must be used in conjunction with the generic Motion Controls Manual that was provided with the machine.
  • Page 36 This information must be use in conjunction with the detailed instructions stated in the operator manual for the specific control unit fitted.
  • Page 37: Flailhead Attachment

    FLAILHEAD ATTACHMENT For ease of attachment and safety this procedure is best performed on a firm level site. With the tractor parked alongside the flailhead operate the controls of the machine to position the pivot bracket of the machines head angling mechanism directly behind flailhead with the base of the hose tray (or junction bracket) parallel to the ground.
  • Page 38: Weight Kit

    WEIGHT KIT (7470550) Machines are supplied with a weight kit comprising of four 40kg weight plates and the necessary fixings required for attaching them to the machine. The individual weights attach to the rear of the hydraulic tank assembly and held in place with bolts.
  • Page 39: Running Up Procedure

    RUNNING UP PROCEDURE Before initial use of a new machine, all lubrication points must be greased and the gearbox and oil tank levels checked and where required topped up before attempting to use the machine. Refer to maintenance section for details. Initial ‘Running Up’...
  • Page 40: Breakaway Protection

    BREAKAWAY PROTECTION The machine is equipped with a hydraulic breakaway device offering 50° of breakback; this protects the structure of the machine should an unforeseen obstacle be encountered. The machines breakaway function does not relieve the operator of his responsibility to drive carefully; always be alert and avoid obvious hazards before contact occurs.
  • Page 41: Powered Slew

    POWERED SLEW The powered slew feature allows up to 140° of fore and aft arm movement on the working side of the tractor; forwards by 90° and rearwards by 50°. The forward slew feature is primarily required to place the machine into the transport position but can also be used to sweep the arm ‘to and fro’...
  • Page 42: Transportation

    TRANSPORTATION Transport Position A) Transport Prop Transport prop must be placed in the raised position to support arm for machine transport. Transport prop must be placed in the lowered position for working with the machine. B) Lift Stop For additional component protection a lift stop kit is fitted to the machine; the prop of the lift stop must be secured with its locking pins in the lower of its two possible positions at all times –...
  • Page 43 Moving into the Transport Position The procedure for moving from work to transport is as follows; ensure that the lift and angle float functions are deactivated before beginning this procedure. Switch Rotor OFF; wait until it comes to a standstill. Operate Tele; retract arm to the fully in position. Operate Slew;...
  • Page 44 Operate Angle; rotate flail head to inverted position. Close taps on Lift Ram & switch OFF control unit. Disengage PTO shaft during machine transport. Transport Height There are no fixed dimensions for the machines transport height as this can vary for the various differing applications i.e.
  • Page 45: Operating Speed

    Moving from Transport to Work Reverting to the work position is basically a reversal of the previous work to transport procedure. Remember to open both lift lock taps before attempting to move the machine out of the transport position. OPERATING SPEED Engaging Drive ...
  • Page 46: Angle Float

    ANGLE FLOAT KIT (Standard Feature) Machines are fitted with Angle Float as standard – when activated the feature connects the base and gland circuits of the angle ram to allow free movement of oil in both directions thus allowing the head to automatically angle itself to match the contours of the ground. Refer to specific controls section for details of operation.
  • Page 47: Lift Float

    LIFT FLOAT (Optional Extra for Ground Work) Work without lift float requires far more concentration and input from the operator to quickly react and re-adjust to the ground contours often resulting in patches of higher cut material where the head is cutting too high and ‘scalping’ of the ground where it is cutting too low –...
  • Page 48: Overhead Power Line Dangers

    OVERHEAD POWER LINES (OHPLs) It cannot be stressed enough the dangers involved when working in the vicinity of Overhead Power Lines (OHPLs). Some of our machines are capable of reach in excess of 8 metres (26’); they have the potential to well exceed, by possibly 3 metres (9’ 9”), the lowest legal minimum height of 5.2 metres from the ground for 11,000 and 33,000 volt power lines.
  • Page 49 Definitions of Exclusion Zones Risk Assessment Before starting to work near OHPLs you should always assess the risks. The following points should be observed; Know the risks of contacting OHPLs and the risk of flashover. Find out the maximum height and maximum vertical reach of your machine. Find out the location and route of all Power Lines within the work area.
  • Page 50: Hazards & Dangers

    HAZARDS & DANGERS Adverse Slopes When working with the flailhead high and reach fully in it is possible for the main arm balance to go over centre and take the weight off the lift ram. A restrictor in the gland circuit of the lift ram will prevent sudden unpredictable movements if this should occur - for reasons of safety this restrictor should not be removed.
  • Page 51: Hedgecutting Procedure

    HEDGECUTTING PROCEDURE Cut the side and bottom of the field side first. This leaves the maximum thickness of hedge on the road side to prevent the possibility of any debris being thrown through the hedge into the path of oncoming vehicles. Cut the side and bottom of the road side.
  • Page 52: Maintenance

    MAINTENANCE General Lubrication All points indicated below should be greased on a daily basis and prior machine storage. New machines must be greased prior to first use. PTO Shaft Lubrication Points & Frequency...
  • Page 53 PTO Gearbox Check gearbox oil level on new machines prior to first use, top up if required before using the machine. Replace gearbox oil after an initial 50 hours of use and thereafter at annual or 500 hour intervals; whichever occurs earliest. Gearbox Capacity (Machine builds ►05/16) 0.7 Litre SAE75W90 Fully Synthetic which meets the following minimum requirements;...
  • Page 54 SERVICE SCHEDULE Every Day  Grease machine fully prior to work (and prior to storage). NOTE: New machines must be greased before initial use.  Check for broken or damaged flails.  Check tightness of flail nuts and bolts.  Visually check for oil leaks and damaged hoses. ...
  • Page 55 HYDRAULIC SYSTEM Oil Supply Check the oil level in the reservoir daily. Oil Condition & Replacement No fixed time period can be quoted for oil changes as operating conditions can vary widely but a visually inspection of the oil will often indicate its current overall state. Signs of a reduction in its condition will be apparent by changes in colour and appearance when compared to new oil.
  • Page 56 All Hydraulic Hoses (BSP) now fitted to McConnel Power Arm Hedge/Grass Cutters have ‘Soft Seal’ connections on both flail and ram circuit hoses.
  • Page 57 TELE ARM WEAR PADS Over a period of time during normal use the contact faces of the replaceable wear pads will erode due to friction generated from the sliding surfaces of the tele arm – the wear rate of these nylon compound pads may vary considerably and will be determined by the frequency of use of the telescopic function.
  • Page 58 With the dipper arm socket and telescopic dipper separated coat the inner surfaces of the socket arm and outer surfaces of the tele arm with wax oil prior to re-assembly this will serve to both protect and lubricate the arms - this procedure should be performed in a clean and dry dust free environment to ensure the lubricated sliding surfaces of the arms do not become contaminated by dirt, grit or moisture.
  • Page 59 NOTE: When tightening second sets of nuts the first nuts should be held in position with a spanner to ensure their correct torque setting is retained. The tele arm should now be extended out to its furthest point and a coating of good quality agri-grease applied to its sliding surfaces.
  • Page 60 PTO SHAFT PTO Shaft Lubrication The PTO shaft should be lubricated on a regular basis using lithium based grease – each end of the shaft has 2 greasing points; one for lubrication of the universal joint and one for lubricating the rotating fixing ring of the shaft shield – access to the lubrication points is gained by releasing the shaft shield from its fixing ring and sliding it back along the body of the driveshaft –...
  • Page 61: Torque Settings

    TORQUE SETTINGS FOR FASTENERS The chart below lists the correct tightening torque for fasteners. This chart should be referred to when tightening or replacing bolts in order to determine the grade of bolt and the correct torque unless specific torque values are assigned in the text of the manual. Recommended torque is quoted in Foot-Pounds and Newton-Metres within this manual.
  • Page 62 McConnel Limited, Temeside Works, Ludlow, Shropshire SY8 1JL. England. Telephone: 01584 873131. Facsimile: 01584 876463. www.mcconnel.com...

This manual is also suitable for:

Pa56Pa64Pa65Pa77P70s

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