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Chapter 4: Maintaining the DR SELF-FEEDING WOOD CHIPPER
This chapter covers regular maintenance procedures that will ensure the best performance and long life of your DR SELF-
FEEDING WOOD CHIPPER. For engine maintenance, please refer to the Engine Owner’s Manual that came with your machine.
Service intervals listed in the checklist below supersede those listed in the Engine Owner’s Manual.
Maintenance Kits and Accessories are available through our website at www.DRpower.com.
Regular Maintenance Check List
NOTE: Consider that the service intervals shown are the maximum under normal operating conditions. Increase frequencies under
extremely dirty or dusty conditions.
Check General Equipment Condition
Check that the Flywheel turns freely (with a long stick only)
Visually inspect Knife for damage and sharpness
Clean Engine Exterior and Cooling Fins
Inspect or replace Air Filter and Foam Pre-cleaner
Check Knife and Wear Plate for Sharpness
Check Belt Tension and Condition
Inspect or replace Drive Belt
Inspect or replace Spark Plug
Check/adjust Knife to Wear Plate Gap
Check the Battery Voltage (electric start only)
Check Knife and Wear Plate Attachment Screws
Check Flywheel Bearing Collar Set Screws
Lubricate Flywheel Bearings
Shut down the Engine (The flywheel will continue to rotate for a while after the engine is shut off), Wait 5 minutes for the engine
to cool and all moving parts to come to a complete stop, remove spark plug wire and disconnect the negative battery cable before
moving or working on the chipper.
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