GA Groundcare
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Everything posted by GA Groundcare
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Good shout on the rotor shaft. In the past 12 months, we've probably done a good 75 flywheel jobs at a guess on various makes, if not more. We have 5 chippers in our workshop currently without flywheels fitted. Almost every customer books in as "just bearings". Very rarely it is just bearings alone.
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We wrote a buying guide a few years ago. Attached here. SafeTrak 19-28 MK2 buying guide.pdf
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Bearings are cheap on those. £100 would cover the parts bill. Bearings and consumables. 4 hours labour at £70 + VAT would be £240 + VAT. Should see it done for sub £500 including a blade sharpen and new blade screws. It isn't uncommon for the bearings to be turning on the housing, so it could need the bearing housing, the belts could well be cracked, the anvils already turned so needing replacement. Fan blades on the discharge side need checking thoroughly for any cracking. This could easily double the bill. Without inspecting the machine its just a blind guess.
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We look after loads of TimberWolf TW125's and done countless flywheel bearings. As Pete says, 4 hours is about right. Hopper off, unbolt hydraulic motors, lift roller box off, remove flywheel belts, remove front pulley, remove flywheel housing backplate and rear bearing housing. Unbolt front bearing housing and lift out flywheel. It's the perfect time to turn the anvils on the flywheel back plate and roller box. You could rush the job and do it in probably 2-3 hours.
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We have just part exchanged an M500, 2023 with 50 hours on the clock. £6,500 + VAT.
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Peugeot 205 Rallye here... 2.1 16v engine, individual throttle bodies, dry sump engine, 230hp, 750kg, full trackday spec. Owned for 19 years!
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What chipper did you enquire about?
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Carefully cut the bearings off with a grinder. No point spending loads of time removing bearings in one piece that are knackered. If you've "modified" the taper lock bush, chuck that in the bin with the old bearings also. Check the drum is true, no cracking on either the drum or the housing. Refit your new bearings, new taper lock bush and jobs a good un. Set the blade - anvil gap with the setting tool provided by GreenMech. Double check the anvil - blade gap on both blades rather than just one. Should be about 2 hours work in total.
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Mason Wood Chippers are probably your best shout.
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We are in Wiltshire and yes, Dyson has a good name for local employment.
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We have a used rad here. If you can email some photos of yours i will see if it is the same. [email protected]
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Timberwolf Fins and flywheel bearings
GA Groundcare replied to Dean Lofthouse's topic in Maintenance help
Its certainly important to have a few tricks up your sleeve! -
Timberwolf Fins and flywheel bearings
GA Groundcare replied to Dean Lofthouse's topic in Maintenance help
Something we have recently started doing, if the inner race is stuck on the shaft is to use a flapper sanding disc on the grinder to grind down the race. It is easy to spot the moment the race goes wafer thin without marking the shaft. Then just tap it off. Much less risk than using a cutting disk to slit through the race -
Timberwolf Fins and flywheel bearings
GA Groundcare replied to Dean Lofthouse's topic in Maintenance help
Shafts are screwed together. Although sometimes damn tight. Bearings can be knocked out and carefully knocked back in with a vice/soft hammer/big socket. -
Depending where it’s collecting there maybe an update for this.
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👀
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Great show again. Thursday was steady. Friday was really busy. Saturday was quieter than expected. The early afternoon rain pretty much knocked it on the head.
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Timberwolf TW 230HB Diesel - Stage V Compliant
GA Groundcare replied to MatthewMaynard's topic in Large equipment
It is the same machine with less power. -
Nice, what did you go for and where from?
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Certainly get an EVO 205 GreenMech on demo. Kubota power. Good infeed and throughput.
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Predator machines were stickered up Laski stump grinders made in CZ. Ben Burgess were the distributor of Predator grinders previously and have now gone direct to the Laski factory.
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We've had this a couple of times over the years. Cleaned out fuel tank, filter diesel back into the tank through a water separator filter, replace fuel filter and it still not run quite right. Replace the rubber fuel lines, bleed up and perfect. Whether the cause is drawing a small amount of air in through a perished fuel line or perhaps drawing air in through where the rubber pipes attach to the filter/inline pump/injection pump its hard to know. Either way. replacing fuel hose has cured poor running issues before now. 9/10 times though the problem is fuel filters or crap in the fuel tank. Blowing back down the fuel lines to clear the tank outlet is just shifting your breakdown to another day.
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19th - 21st Sept. Thurs, Fri, Sat.
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Rev the machine up with no timber going through, rollers spinning forwards. Drop the throttle down to low revs. Are the rollers still spinning at low revs? Or are they stopping? Get a volt meter. Locate your forward solenoid valve. Check to see if the hirschmann plug is getting voltage. Should have no voltage at low revs and 12v at max revs. The stress control works at adding 12v above a specific rpm to engage rollers and removing voltage below a specific rpm to stop rollers.
