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Содержание PA 48

Страница 1: ...PA 48 HEDGE GRASS CUTTER Operator Manual Publication 469 December 2004 Part No 41570 69...

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Страница 3: ...and select the Machine Registration button which can be found in the Service Section of the site Confirm to the customer that the machine has been registered in the section below Should you experience...

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Страница 5: ...68 EEC The machinery directive is supported by BS EN ISO 12100 2003 Safety of Machinery This standard is made up of two parts Part 1 Terminology methodology Part 2 Technical Specifications BS EN 1050...

Страница 6: ...68 EEC The machinery directive is supported by BS EN ISO 12100 2003 Safety of Machinery This standard is made up of two parts Part 1 Terminology methodology Part 2 Technical Specifications BS EN 1050...

Страница 7: ...the range 78 85 DB These figures apply to a normal distribution of use where the noise fluctuates between zero and maximum The figures assume that the machine is fitted to a tractor with a quiet cab w...

Страница 8: ...ontrol Unit in Cab 16 Running Up Procedure 18 Removal from Tractor 19 Storage 19 OPERATION 20 Limitation 20 Operator Guard 20 Preparation 20 Machine Controls 21 Cable Controls 21 Electric Switchbox Co...

Страница 9: ...Positions 32 Hedge Cutting sequence 33 Lift Float Kit Optional Extra 34 Angle Float Optional Extra on Electric Models only 35 MAINTENANCE 36 Lubrication 36 General 36 PTO Shaft 36 Hydraulic System 37...

Страница 10: ...etc which can result in the damage of either machine or equipment if not observed carefully NOTE An operating procedure technique etc which is considered essential to emphasise LEFT AND RIGHT HAND Th...

Страница 11: ...movements PTO pump powers the rotor Cable Controls Rotor engagement by tractor s PTO lever 54HP Hydraulic System PA48 TI Models Totally Independent Hydraulics powered by Tandem PTO Pump Cable Controls...

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Страница 13: ...both POTENTIAL SIGNIFICANT DANGERS ASSOCIATED WITH THE USE OF THIS MACHINE Being hit by debris thrown by rotating components Being hit by machine parts ejected through damage during use Being caught o...

Страница 14: ...es cans and other debris Use clear suitably sized warning signs to alert others to the nature of the machine working within that area Signs should be placed at both ends of the work site It is recomme...

Страница 15: ...causes debris to be ejected towards the cab Never start or continue to work a machine if people are nearby or approaching Stop and wait until they are at a safe distance before continuing WARNING Som...

Страница 16: ...ested Warning Signs Required Road works ahead warning sign with a supplementary Hedge cutting plate For 1 mile or appropriate shorter distance may be added to the plate Road narrows warning sign with...

Страница 17: ...e 20 of rear axle weight or more for adequate control and for ground work i e verge mowing with experienced operators this can be reduced to 10 All factors must be addressed in order to match the type...

Страница 18: ...ns stabilisers Check chains or stabiliser bars must be fitted and tightened Tractor relief valve For Si models only tractor relief valve must be set above 2000 psi 140 bar Tractor hydraulic flow rate...

Страница 19: ...f the windows are not laminated safety glass polycarbonate glazing must also be fitted If the tractor has a roll bar only a frame must be made to carry both mesh and polycarbonate glazing Wheel Width...

Страница 20: ...relief valve and a pressure gallery blanking plug which is installed in place of the standard blanking plug at the valve outlet end next to the lift ram gland connection NOTE Take care when extractin...

Страница 21: ...lus 68 MOBIL D T E 25 D T E 26 ESSO Nuto H ou A 46 Nuto H or A 68 TEXACO Rando HD 46 Rando D 68 GULF Hydrasil 46 Hydrasil 68 B P Energal HLP 46 Energal HLP 68 Silkolene Dove 46 Silkolene Dove 68 or De...

Страница 22: ...reversed up For cable controlled models only assistance will be needed to simultaneously select Reach Out and Angle Down to allow the oil to flow whilst the arms are being moved WARNING As a safety pr...

Страница 23: ...tractor seat During this operation ensure no one is standing on or amongst the linkage arms or bars Measure the PTO drive shaft length as shown in the diagram below and subtract 2 inches 50mm This me...

Страница 24: ...usings Carefully operate the machine through its full range of movement whilst checking that the hoses are not strained pinched chaffed or kinked and that all movements are functioning correctly Assem...

Страница 25: ...the cab ensuring that no structural member of the safety frame is drilled See B in diagram below Electric Controlled Models only The supply cable with the disconnected plug should be connected to the...

Страница 26: ...which in conjunction with the flexibility of the mounting pillar will enable a satisfactory working position to be achieved In deciding the final position of the control box remember not to exceed the...

Страница 27: ...actor to run for several minutes before attempting to operate any of the machine control levers On operating move the levers through their complete range ensuring that all movements are functioning co...

Страница 28: ...t stabiliser bars or loosen check chains as applicable Unbolt the control unit from the mounting pillar remove from tractor cab and stow the levers or switchbox clear of the ground On SI models only d...

Страница 29: ...tations OPERATOR GUARD Refer to page 8 PREPARATION Read the book first Practice in an open space without the rotor running until familiar with controls CAUTION Take care when working with the flail he...

Страница 30: ...MACHINE CONTROLS NOTE For SI Models tractors linkage will need to be isolated CABLE CONTROLS 21 ELECTRIC SWITCHBOX CONTROLS...

Страница 31: ...return to normal operation the float position must be manually de selected HEAD ANGLE FLOAT Optional Extra Operation Cable Controlled Machines For Electric controlled machines see page 24 An angle fl...

Страница 32: ...ELECTRIC MONOLEVER CONTROLS PROPORTIONAL ELECTRIC CONTROLS 23...

Страница 33: ...il head to automatically angle itself to the contours of the ground To obtain this position the switch must be pushed away from the operator To return to normal operation the float position must be ma...

Страница 34: ...s controlled by operation of the tractors PTO lever To START rotor Bring tractor engine revs up to 1000 rpm Engage PTO To STOP rotor Disengage PTO WARNING Do not leave tractors seat until the rotor is...

Страница 35: ...release the transport latch if it does not release take the weight off the latch by easing the tractor forward slightly The working position can be achieved by either reversing the tractor or by opera...

Страница 36: ...SPEED HIGHWAY WORKING Local highway working regulations must be observed at all times WARNING It is the operators responsibility to observe these regulations and to ensure that all bystanders are kep...

Страница 37: ...ght Keep bystanders at a safe distance BREAKAWAY An automatically resetting power assisted gravity breakaway system protects the machine when an obstruction is encountered The spring pre load is facto...

Страница 38: ...t the key only then remove the wire Do not reverse the rotor in an attempt to unwind any wire WARNING Ensure both tractor engine and machine are switched off and the rotor at a complete standstill bef...

Страница 39: ...or materials Note the location of any immovable obstructions in order that they will be avoided whilst working the machine ROTOR DIRECTION Upward Downward Cutting Upward Cutting Front Hood and Rear Fl...

Страница 40: ...to flex correctly during arm movements To ascertain the direction of cut without running the machine the following applies Connection MP Lower motor rigid pipe upward cutting Connection MR Upper motor...

Страница 41: ...ROLLER POSITION 32...

Страница 42: ...HEDGE CUTTING SEQUENCE 33...

Страница 43: ...ht on the roller will leave uncut areas of grass while with too much weight on the roller the ground will be scalped in places and increased flail wear damage or even loss of flails could occur To rev...

Страница 44: ...it The kit is bolted in position as shown in the diagram above Note the O Rings from the hose plate must be extracted carefully and re used On Multilever Electric machines the two core cable is conne...

Страница 45: ...l blow out the cork or neoprene sealing rings that exclude the dirt from the needle bearings inside The two halves of the plastic guard should be checked daily to ensure that they can spin freely on t...

Страница 46: ...clean b Using clean containers when replenishing the system a Regular servicing of the filtration system Filtration Maintenance A 125 micron suction strainer and a low pressure 10 micron full flow re...

Страница 47: ...rtable grinder periodically WARNING Wear protective gear when sharpening flails Ensure that the bearing housings and hydraulic mounting nuts and bolts are kept tight They should be checked during serv...

Страница 48: ...specially important for the flail hoses where they must be crossed upper to lower at the dipper and head pivots The 90 degree elbows at the head bracket must point directly across the pivot and the ho...

Страница 49: ...able Models Main Control Valve A Supply B Return TI version illustrated C Lift Base Restrictor A D Lift Gland E Reach Base Restrictor C F Reach Gland Restrictor C G Angle Base Restrictor A H Angle Gla...

Страница 50: ...dels Main Control Valve A Supply B Return C Lift Base Restrictor L D Lift Gland E Reach Base Restrictor L F Reach Gland Restrictor S G Angle Base Restrictor S H Angle Gland Restrictor T I Compensator...

Страница 51: ...ROTOR CONTROL ROTOR RELIEF VALVES A Supply from Pump D Motor Lower B Return to Tank E Return from Main Valve C Motor Upper 42...

Страница 52: ...n each correspond lock in position with pin and clip supplied Hose ring C should be attached to a suitable available location in order to support the hydraulic hoses and prevent them from coming into...

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