PA48 Mk2 Operator Manual - McConnel

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TRACTOR REQUIREMENTSTractor Weight (Including ballast weight if necessary)Minimum 3000kgHP RequirementMinimum 60HPTractor Linkage RequirementCategory 2PTO ShaftTractor must be equipped with a live drive PTO to enable continuous flailhead operationwhen forward motion of the tractor is stopped.Check Chains / StabilizersCheck chains or stabilizers must be fitted and tightened.Linkage IsolationA linkage isolation facility is necessary for SI models only.Tractor Relief ValveFor Si models only tractor relief valve must be set above 2000 psi (140bar).Tractor Hydraulic Flow RateHydraulic flow rates are not crucial for SI modelsFront Mounted ModelsBefore fitting a front mounted machine to your tractor seek the advice of the tractormanufacturer or your local dealer regarding its suitability and all information in relation toadditional linkage, ballast or weight requirements that may be required.CAUTIONNever attach a machine to a tractor that is unsuitable or poorly maintained –where doubt exists always seek the advice of the tractor manufacturer or yourlocal dealer before attempting to fit the machine.7
VEHICLE / TRACTOR PREPARATIONWe recommend vehicles are fitted with cabsusing ‘safety glass’ windows and protectiveguarding when used with our machines.Fit <strong>Operator</strong> Guard (Part No. 7313324) usingthe hooks provided. Shape the mesh to coverall vulnerable areas. The driver must belooking through mesh and/or polycarbonateglazing when viewing the flail head in anyworking position - unless the vehicle/ cab manufacturer can demonstrate that thepenetration resistance is equivalent to, or higher than, that provided bymesh/polycarbonate glazing. If the tractor has a roll bar only, a frame must be made tocarry both mesh and polycarbonate glazing. The operator should also use personalprotective equipment to reduce the risk of serious injury such as; eye protection (meshvisor to EN1731 or safety glasses to EN166), hearing protection to EN352, safety helmetto EN297, gloves, filter mask and high visibility clothing.Vehicle Ballast: It is imperative when attaching ‘third-party’ equipment to a vehicle thatthe maximum possible stability of the machine and vehicle combination is achieved – thiscan be accomplished by the utilization of ‘ballast’ in order to counter-balance the additionalequipment added. Front weights may be required for rear mounted machines to place15% of total outfit weight on the front axle for stable transport on the road and to reduce‘crabbing’ due to the drag of the cutting unit when working on the ground.Rear weights may be required to maintain a reasonable amount of rear axle load on theopposite wheel from the arms when in work; for normal off-ground work i.e. hedge cuttingthis should be 20% of rear axle weight or more for adequate control, and for ground worki.e. verge mowing with experienced operators, this can be reduced to 10%.All factors must be addressed in order to match the type and nature of the equipmentadded to the circumstances under which it will be used – in the instance of Power ArmHedgecutters it must be remembered that the machines centre of gravity during work willbe constantly moving and will differ from that during transport mode, therefore balancebecomes critical.Factors that effect stability:• Centre of gravity of the tractor/machine combination.• Geometric conditions, e.g. position of the cutting head and ballast.• Weight, track width and wheelbase of the tractor.• Acceleration, braking, turning and the relative position of the cutting head during theseoperations.• Ground conditions, e.g. slope, grip, load capability of the soil/surface.• Rigidity of implement mounting.Suggestions to increase stability:• Increasing rear wheel track; a vehicle with a wider wheel track is more stable.• Ballasting the wheel; it is preferable to use external weights but liquid can be added to around75% of the tyre volume – water with anti-freeze or the heavier Calcium Chloride alternative canbe used.• Addition of weights – care should be taken in selecting the location of the weights to ensurethey are added to a position that offers the greatest advantage.• Front axle locking (check with tractor manufacturer).NOTE: The advice above is offered as a guide for stability only and is not a guide to vehicle strength.It is recommended that you consult your vehicle manufacturer or local dealer to obtain specificadvice on this subject, additionally advice should be sought from a tyre specialist with regard to tyrepressures and ratings suitable for the type and nature of the machine you intend to fit.8
Page 1 and 2: Publication 597April 2009Part No. 4
Page 3 and 4: WARRANTY POLICYWARRANTY REGISTRATIO
Page 5 and 6: DECLARATION OF CONFORMITYConforming
Page 10 and 11: POWER ARM PRE-OPERATION InspectionP
Page 16 and 17: GENERAL INFORMATIONAlways read this
Page 18 and 19: This machine has the potential to b
Page 20: ▲ Always disengage the machine, k
Page 25 and 26: DELIVERY & PRE-ATTACHMENT (Dealer R
Page 27 and 28: ATTACHMENT TO TRACTORAttachment of
Page 29 and 30: Raise the parking legs and secure i
Page 31 and 32: FITTING OPERATOR CONTROL UNITSFitme
Page 33 and 34: REMOVAL FROM TRACTORDANGER!READ CAR
Page 35 and 36: ARM OPERATIONRotor Control4Refer to
Page 37 and 38: CABLE ROTOR CONTROLOn cable rotor c
Page 39 and 40: ARM OPERATION25
Page 41 and 42: Switching the Rotor OnFor safety re
Page 51 and 52: ARM OPERATIONTele or Midcut/VFR Mod
Page 53 and 54: Switching Rotor DirectionWith the r
Page 55 and 56: ARMHEAD OPERATION - V4 JOYSTICK CON
Page 59 and 60: AUXILIARY FUNCTION CONTROLThis cont
Page 61: V4 CONTROL UNIT - LED Screen Displa
Page 64 and 65: PRE-OPERATIONAL CHECKSCheck all bol
Page 66 and 67: OPERATIONMaterial Thickness Cutting
Page 68 and 69: Breakaway SystemThe machine is fitt
Page 70 and 71: OVERHEAD POWER LINES (OHPLs)It cann
Page 72 and 73:
Preliminary PrecautionsAlways inspe
Page 74 and 75:
FLOATING HEAD ANGLE FACILITY (Optio
Page 76 and 77:
MAINTENANCEGeneral LubricationIMPOR
Page 78 and 79:
HYDRAULIC SYSTEMOil SupplyCheck the
Page 80 and 81:
CONTROL CABLESThe control cables op
Page 82 and 83:
TORQUE SETTINGS FOR FASTENERSThe ch
Page 84:
McConnel Limited, Temeside Works, L
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PA48 Mk2 Operator Manual - McConnel

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