STARCUT 500/730 - Spearhead Machinery Ltd

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Spearhead Star-Cut 500 & 730Setting Up YourMachineHeight of cut is controlled by varyingthe amount of ram stops covering theram rod.Start with 4 ram spacers on all rams.Cutting height can be increased ordecreased by adding or reducing theamount of spacers that are down.(see Recommended Cutting Heights)Fine adjustment and balance of cutbetween the rotors is achieved byadjusting the length of the base screwattached to the ram.AttentionEach ram must haveequal amount ofspacersSticker Part No. 8770351 ismounted to the rear of theStarcut machine to allow easyand quick reference to cuttingheights.12
Spearhead Star-Cut 500 & 730OperationOnce ready for work, raise the mower cutting height and slowly engage thePTO with the tractor engine at low revs to prevent shock damage to themachine. Slowly increase the engine revs to achieve the recommended PTOspeed of 1000 r.p.m. As indicated by the decal on top of the centre guard andnot the number of splines on the P.T.O shaft. If at any time serious vibrationoccurs, stop the engine immediately and check the blades, following allsafety precautions. Select a sensible forward speed bearing in mind thedensity of growth, the terrain, and the available horsepower.The quality of finish is determined by the forward speed, i.e. a slow speed willproduce a high quality of cut, where as faster forward speeds are used whenhigh output is first priority.When in work, always ensure the hydraulic spool valve that operates thefolding of the wings is in float position to enable the wings to freely follow allcontours of ground (Fig. 6).Fig. 6 contours of the groundWarningThe maximum working angle the wings can safely be runis 7.5 degrees below horizontal when the machine isfitted with double “Star-Cut” blades. If the wings areallowed to drop more than 7.5 this will result in impactdamage from the rotating blades striking the deck.13
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STARCUT 500/730 - Spearhead Machinery Ltd

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