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Old 09-05-2012, 10:25 PM
docjones docjones is offline
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pg magnum problem, need help

I have a low hour PG Mag maybe a 2005/2006 model. I am second owner. No prior problems. I did a 2.5 acre property today with fert with no issues. Second lawn the problem began. The fertilizer broadcasts out maybe 4 feet each side initially but then peters out to maybe one foot each side. Is that a belt issue? Tensioner issue? Spinner seems to be rotating fine. Engine RPM good. Any help is much appreciated.
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Old 09-05-2012, 10:42 PM
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RigglePLC RigglePLC is offline
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I had an Ultra. Not the same machine. However, I suggest you check the spinner. It may need a cotter pin or roll pin to hold the spinner to the shaft. They rust out and break. It will spin with no load...but start the fert and after a few seconds...the shaft spins, but the spinner only spins one-third as fast.
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Old 09-05-2012, 11:02 PM
docjones docjones is offline
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That's gotta be it Riggle! I will check that first thing. Thank you!
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Old 09-06-2012, 12:34 AM
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DA Quality Lawn & YS DA Quality Lawn & YS is offline
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Ya, your platter isn't spinning up to par. Platter is slipping on the shaft OR belt that drives the platter shaft is almost shot, causing it to spin slower under load.
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Old 09-06-2012, 12:43 AM
NattyLawn NattyLawn is offline
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My vote is the belt for the platter belt (small belt). If it was the drive belt, the machine wouldn't go up any inclines.
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Old 09-06-2012, 01:02 AM
docjones docjones is offline
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So if the platter is spinning on the shaft, would that be due to a bad cotter/roller pin like Riggle said? If it's belt slipping or going bad, is that a difficult fix? Maybe someone could give just a short description of what's involved.
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Old 09-06-2012, 07:41 AM
NattyLawn NattyLawn is offline
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Quote:
Originally Posted by docjones View Post
So if the platter is spinning on the shaft, would that be due to a bad cotter/roller pin like Riggle said? If it's belt slipping or going bad, is that a difficult fix? Maybe someone could give just a short description of what's involved.
Replacing the belt is an easy fix. Take off the "hood" and check out the belt. It may be a little cracked or whatever. At first, the belt will still spin fine, but when you open the hopper and fert hits it, it will slip. Throw it in neutral and have someone hit the throttle and watch it. When it hits the bad part of the belt it may slip. If not, Riggle could be right as well with the cotter pin. I never had a cotter pin issue with the Magnum, only belts. Hope this helps.
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