Operating instructions

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CHAPTER 5
MAINTAINING THE 16.50 PRO DR RAPID-FEED CHIPPER
This chapter covers regular maintenance procedures that will ensure the best performance and long life
of your DR RAPID-FEED 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.
Procedure
Before Each Use Every 8-10
Hours
Every 40
Hours
Check Engine Oil Level
Check General Equipment Condition
Check that the Flywheel turns freely (with a long stick only)
Visually inspect Knife for damage
Check Knife and Wear Plate for Sharpness
Check Knife and Wear Plate Attachment Screws
Check Flywheel Bearing Collar Set Screws
Check Knife to Wear Plate Gap
Lubricate Flywheel Bearings
Check Belt Tension and Condition
1
st
time 1 hour
Clean Engine Exterior and Cooling Fins
Check the Battery Voltage (electric start only)
Check the Tire Pressure
Change Engine Oil
1
st
time 5 hours
Inspect or replace Drive Belt
Inspect or replace Spark Plug
Inspect or replace Air Filter and Precleaner
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 MAINTENANCE ON THE CHIPPER.