DR PRO Betriebsanleitung PDF herunterladen (Seite 53)

Troubleshooting Table (continued)

SYMPTOM POSSIBLE CAUSE

The belt frays or rolls

over the pulley.

⇒ The rotor Drive Pulley groove may be nicked. Check the Drive Belt for

wear and hard spots. File off any nicks on the pulley.

⇒ The Drive Belt may be stretched; replace it. See Chapter 5.

⇒ The Pulleys may be misaligned. See Chapter 5.

- 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 for a loose Drive Belt. See Chapter 5.

⇒ Remove any built-up debris from the Chipper Hopper Inlet and

Discharge Chute.

The machine has

excessive vibration.

⇒ Check for a dull or damaged Knife; sharpen or replace the Knife. See

Chapter 5.

⇒ The Knife is not properly seated on the flywheel. Loosen the Knife

mounting screws, reset the Knife and tighten the screws. Also, check

the Knife to Wear Plate Gap. See Chapter 5.

⇒ If the machine still exhibits excessive vibration, contact us at

www.DRpower.com or 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 Chapter 5.

⇒ The gap between the Knife and Wear Plate is too great; adjust the Gap.

See Chapter 5.

⇒ Check Engine rpms; run Engine at full throttle when chipping.

Chipper Knife is

hitting the Wear

Plate.

⇒ The gap between the Knife and the Wear Plate is set incorrectly; adjust

the Knife to Wear Plate Gap. See Chapter 5.

Engine runs but the

flywheel doesn’t

rotate.

⇒ The inner Shoes of the Clutch are worn. Replace worn or broken

Clutch parts. See Chapter 5.

⇒ Loose Drive Belt; adjust the Drive Belt tension. See Chapter 5.

⇒ Remove any built-up debris from the Chipper Hopper Inlet and

Discharge Chute.

SHUT DOWN THE ENGINE, WAIT FOR ALL MOVING PARTS TO COME TO A COMPLETE STOP,

REMOVE SPARK PLUG WIRE, DISCONNECT THE NEGATIVE BATTERY CABLE, THEN WAIT 5 MINUTES

BEFORE PERFORMING ANY MAINTENANCE PROCEDURE OR INSPECTION ON THE CHIPPER..

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