Spearhead TWIGA 120 Handbook Download Page 27 | Manualshive

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Spearhead TWIGA

120

26

26

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CONTROL VA

CONTROL VA

CONTROL VA

CONTROL VALVE

LVE

LVE

LVE

IMPORTANT: Any service or maintenance work on hydraulic components must
always be performed in a clean dry dust free environment to avoid risk of
contamination or damage.

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Summary of Contents for TWIGA 120

Page 1: ...Spearhead TWIGA 120 0 0 0 0 T T T TWIGA WIGA WIGA WIGA 120 Edition 1 3 April 2014 Part No 8999039...

Page 2: ...ctive 2006 42 EC The Machinery Directive is supported by the following harmonized standards BS EN ISO 14121 1 2007 Safety of Machinery Risk Assessment Part 1 Principles Part 2 Practical Guide and Exam...

Page 3: ...ead Service Department on 01789 491867 Registration Verification Dealer Name Dealer Address Customer Name Date of Warranty Registration Dealer Signature NOTE TO CUSTOMER OWNER Please ensure that the a...

Page 4: ...anship from the date of sale to the original purchaser for a period of 12 months unless a different period is specified 1 02 All spare parts supplied by Spearhead Machinery Limited are warranted to be...

Page 5: ...turer s service schedule Failure to comply will invalidate the warranty In the event of a claim proof of the service work being carried out may be required NB Warranty cover will be invalid if any non...

Page 6: ...alleged to be caused directly or indirectly by the goods including but not limited to any indirect special consequential or incidental damages resulting from the use or operation of the goods or any...

Page 7: ...ion 7 Safety Information 8 Tractor Requirements 11 Tractor Preparation 12 Machine Fitting 14 Machine Removal 15 Storage 15 Operation 16 Maintenance 20 Cutterbar 21 Hydraulic Rams 23 Hydraulic System 2...

Page 8: ...machine or equipment if not observed carefully NOTE An operating procedure technique etc which is considered essential to emphasis LEFT RIGHT HAND This term is applicable to the machine when attached...

Page 9: ...of an extended implement Operate the machine only with a tractor equipped with an approved roll over protection system ROPS Always wear approved seat belts whenever the tractor or machine is running S...

Page 10: ...safe code of operation The boom is designed only to position the cutterhead which is attached to it Never attempt to lift pull or push other objects with it Serious injury could result from a structu...

Page 11: ...ls in good readable condition If the decals become damaged or unreadable reorder them immediately In addition to the design and configuration of this implement including safety signs and safety equipm...

Page 12: ...during transport and operation The tractor selected must have a relief valve setting of between 2000 3000 psi 110 210 Bar NOTE Tractors which operate on a closed centre hydraulic principle are unsuit...

Page 13: ...that the maximum possible stability of the machine and vehicle combination is achieved this can be accomplished by the utilisation of ballast in order to counter balance the additional equipment added...

Page 14: ...d be taken in selecting the location of the weights to ensure they are added to a position that offers the greatest advantage Front axle locking check with tractor manufacturer The advice above is off...

Page 15: ...ighten and squeeze the top hitch brackets Tighten the check chains stabiliser bars release its holding chain and position the control valve to suit both tractor and operator this is achieved by a comb...

Page 16: ...tached to tractor Use chain to tie the hydraulic control valve back to the main arm this will make it easier for subsequent coupling up Blank off hose ends or loop the hoses and join with a coupling i...

Page 17: ...nd Angle Down 4 Black Cutterbar On and Cutterbar Off Proportional Controls On proportional models all operational functions are controlled by a single joystick With the power switched on via the left...

Page 18: ...for close in ground cuts Also check carefully that there is clearance between the arms and the tractor s roll bar cab before executing the swing over maneuver The operation of the arms takes priority...

Page 19: ...l Limitations The TWIGA 120 is a light hedge trimming tool attempting to cut unsuitable material will cause the knife to stall resulting in the tractors relief valve blowing and overheated oil Tractor...

Page 20: ...e machine in the transport position by carrying out the following procedure Position the main arm on the left hand side of the machine Fully retract the angle ram Fully extend the reach ram and operat...

Page 21: ...mber regular lubrication ensures longer machine life and diminishes service costs In addition occasionally oil the con rod pivots and bushes Fasteners Check on a daily basis that all bolts and nuts ar...

Page 22: ...aximum clearance of 1mm between the sloping faces of the knife holder 1 and the guide plate 2 This allows clearance for the knife to move freely and can be checked by placing a 5 8 dia bar into the co...

Page 23: ...ly 1 25mm diameter by 1 3 8 35mm long Grinding is carried out with the end face of the grinder moving from the base of the knife section up to the points It is possible to re sharpen the knives in sit...

Page 24: ...tion with the above operation or alternatively gently prized into position after the piston and locking nut are reassembled Refit the piston locking nut using Permabond A713 or a similar medium streng...

Page 25: ...68 MILLERS Millmax 46 Millmax HV 46 Millmax 68 Millmax HV 68 MORRIS Liquimatic 5 Liquimatic HV 46 Triad 46 Liquimatic 6 Liquimatic HV 68 Triad 68 SHELL Tellus 46 Tellus T46 Tellus 68 Tellus T68 TEXAC...

Page 26: ...with independent hydraulics when used on tractors with high speed PTO shafts The pump is anti clockwise in rotation No routine maintenance is necessary on the pumps other than a periodical check for...

Page 27: ...6 CONTROL VA CONTROL VA CONTROL VA CONTROL VALVE LVE LVE LVE IMPORTANT Any service or maintenance work on hydraulic components must always be performed in a clean dry dust free environment to avoid ri...

Page 28: ...e A Push the spool back through from the handle end far enough to re assemble the return spring or detent assembly plus the cover Attach cable assembly Main Relief Valve The main relief valve is press...

Page 29: ...r to removal this will determine the correct hose path and avoid possible damage caused by incorrect hose routing Where a hose is attached to an additional fitting or union use a second spanner on the...

Page 30: ...s hook over valve mounting bracket Connect Pump and drive assembly to P T O shaft on tractor Secure the torque chain so that the angle is approximately 90 to the torque arm and is in lateral alignment...

Page 31: ...ump Pump Pump Pump Tank Kit Tank Kit Tank Kit Tank Kit Hydraulic Installation Hydraulic Installation Hydraulic Installation Hydraulic Installation The diagram below shows the hydraulic installation fo...

Page 32: ...es Although a specialist tool is available for detaching this type of hose the task can easily be performed with careful use of a large broad ended screwdriver or thin nosed pliers The illustrations b...

Page 33: ...Spearhead TWIGA 120 32 32 32 32...

Page 34: ...Spearhead TWIGA 120 33 33 33 33...

Page 35: ...rhead TWIGA 120 34 34 34 34 Spearhead Machinery Ltd Green View Salford Priors Evesham Worcestershire WR11 8SW Tel 01789 491860 Fax 01789 778683 www spearheadmachinery com enquiries spearheadmachinery...

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