Safety & Operating Instructions

Chapter 4: Maintaining the GRAVITY SELF-FEEDING WOOD CHIPPER
This chapter covers regular maintenance procedures that will ensure the best performance and long life of your GRAVITY
SELF- FEEDING 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.
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.
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 25
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 and sharpness
▲
Clean Engine Exterior and Cooling Fins
▲
Check the Tire Pressure
▲
Inspect or replace Air Filter and Foam Pre-cleaner
▲
Check Knife and Wear Plate for Sharpness
▲
Change Engine Oil
1
st
time 5 hours
▲
Check Belt Tension and Condition
1
st
time 1 hour
▲
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
▲
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