DR 10 HP CHIPPER Safety & Operating Instructions Manual page 45

BEFORE PERFORMING ANY MAINTENANCE PROCEDURE OR INSPECTION, STOP THE ENGINE, WAIT FIVE
(5) MINUTES TO ALLOW ALL MOVING PARTS TO COME TO A COMPLETE STOP AND COOL. DISCONNECT
THE SPARK PLUG WIRE, KEEPING IT AWAY FROM THE SPARK PLUG.
S P
YMPTOM OSSIBLE
⇒ The rotor Drive Pulley groove may be nicked. File off any nicks on the pulley.
The Drive Belt
frays or rolls over
⇒ Check the Drive Belt for wear and hard spots. The Drive Belt may be stretched;
the Drive Pulley.
⇒ If the Drive Belt still rolls off the Drive Pulley, call 1(800) DR-OWNER (376-9637) for
Engine runs but ⇒ The inner shoes of the clutch are worn and/or the Clutch shoe retaining springs are
the flywheel does
not rotate.
⇒ Loose Drive Belt; adjust the Drive Belt tension. See page 28.
⇒ Remove any built-up debris from the Chipper Hopper Inlet and Discharge Chute.
⇒ The engine speed is too slow causing the belt to slip. Run the engine at full throttle.
Chipping action
seems too slow or
⇒ Check for a loose Drive Belt and tighten. See Page 28.
flywheel stalling.
⇒ Check for a damaged Drive Belt and replace the Belt if necessary. See page 28.
⇒ Check the sharpness of the Chipping Knife.
⇒ The Knife may not be seated properly on the Flywheel. Loosen the Knife mounting
The machine has
excessive vibration.
⇒ Check for a broken or dull Chipping Knife.
⇒
⇒ The Knife is dull; sharpen or replace it. See page 31.
When chipping,
the log seems to
⇒
vibrate excessively
and "hammers"
my hands.
Chipper Knife is ⇒ The gap between the Knife and the Wear Plate is set incorrectly; adjust the Wear
hitting the Wear
Plate.
The machine is ⇒ Check the tire pressure. There should be 30 psi in each tire.
hard to push or
veers left or right.
C
AUSE
replace it. See page 28.
assistance.
weak or broken. Replace worn or broken Clutch parts. See page 35.
screws, reset the Knife, and tighten the screws. Also, check the Wear Plate Gap. See
pages 33.
If the machine still exhibits excessive vibration, call 1(800) DR-OWNER (376-9637)
for assistance.
The gap between the Knife and Wear Plate is too great; adjust the Gap. See page 33.
Plate Gap. See page 33.
CALL TOLL FREE 1-800-DR-OWNER
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