DR Power 13 HP Towable - Manual (Page 49)

CALL TOLL FREE 1-800-DR-OWNER 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 YMPTOM P OSSIBLE C AUSE
Chipping action seems
too slow or flywheel
stalling.
⇒ The engine speed is too slow causing the belt to slip. Run the engine at full
throttle.
⇒
Check for a loose Drive Belt and tighten. See page 30.
⇒
Check for a damaged Drive Belt and replace the Belt if necessary. See page 30.
⇒
Check the sharpness of the Chipping Knife.
The belt frays or rolls
over the pulley.
⇒ The rotor Drive Pulley groove may be nicked. File off any nicks on the pulley.
⇒ Check the Drive Belt for wear and hard spots.
⇒
The Drive Belt may be stretched; replace it. See page 30.
⇒
If the Drive Belt still rolls off the Drive Pulley, call 1(800) DR-OWNER (376-9637)
for assistance.
- Clutch overheats.
- Belt burns.
- Flywheel won’t turn. ⇒ Immediately stop the engine and disconnect the spark plug wire.
⇒ Turn the flywheel with a wooden stick to be sure it turns freely.
⇒ Check the Drive Belt tension. See page 30.
⇒
Remove any built-up debris from the Chipper Hopper Inlet and Discharge
Chute.
The machine has
excessive vibration.
⇒ The Knife may not be seated properly on the flywheel. Loosen the Knife
mounting screws, reset the Knife, and tighten the screws. Also, check the Wear
Plate Gap. See page 35.
⇒ Check for a broken or dull Chipping Knife.
⇒
If the machine still exhibits excessive vibration, call 1(800) DR-OWNER (376-
9637) for assistance.
When chipping, the log
seems to vibrate
excessively and
“hammers” my hands. ⇒ The Knife is dull; sharpen or replace it. See page 33.
⇒
The gap between the Knife and Wear Plate is too great; adjust the Gap. See
page 35.
Chipper Knife is hitting
the Wear Plate. ⇒ The gap between the Knife and the Wear Plate is set incorrectly; adjust the Wear
Plate Gap. See page 35.
Engine runs but the
flywheel doesn’t rotate.
⇒ The inner Shoes of the Clutch are worn and/or the Clutch Shoe Retaining
Springs are weak or broken. Replace worn or broken Clutch parts. See page 38.
⇒ Loose Drive Belt; adjust the Drive Belt tension. See page 30.
⇒ Remove any built-up debris from the Chipper Hopper Inlet and Discharge
Chute.
The machine’s wheels
track left or right while
being towed. ⇒ Check the tire pressure. There should be 30 psi in each tire.