DR Power TPH-184CHP - Manual (Page 23)

TROUBLESHOOTING
Symptom Problem Correction
Belt burns.
Rotor won’t turn. Rotor is jammed or stopped. A. Immediately stop engine.
B. Disconnect drive shaft.
C. Remove screen & clean out shredder
chamber.
D. Turn rotor by hand to be sure it turns freely.
E. Check belt tension.
Shredding & chipping action
seems too slow or rotor stalling. Engine speed is too slow.
Belts are slipping. Make sure P.T.O. is at 540 RPM.
Check for loose or missing belts & tighten.
When chipping, branch seems to
vibrate excessively & “hammers”
hands. Knives are dull.
Gap between blade & wear plate is
too large. Remove blade & sharpen - be sure to maintain
same bevel of 45 degrees.
Adjust gap as per instructions.
Machine has excessive vibration. Rotor is out of balance. Check rotor carefully to see if hammers or
spacers are missing.
Replace any damaged or broken hammers.
Chipper knives move over and
are striking chipper side plate. Taper lock bushing is loose.
Set screws in rotor shaft bearings
are loose or missing. If key in taper lock bearing is too deep, file key
to seat properly.
Reset the proper blade gap & tighten set
screws.
Products build-up in shredding
chamber. Excessive wear on hammers. Replace or reverse hammers.
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