Safety & Operating Instructions

3-POINT HITCH
Mighty Mac
Gravity Self-Feeding
CHIPPER
20
Chapter 4: Maintaining Your 3-POINT HITCH MIGHTY MAC GRAVITY SELF-FEEDING CHIPPER
This chapter covers regular maintenance procedures that will ensure the best performance and long life of your 3-POINT
HITCH
MIGHTY MAC GRAVITY SELF-FEEDING CHIPPER.
Maintenance Kits and Accessories are available through our website at www.MacKissic.com.
Disengage PTO, shut down the tractor engine, remove the key, wait for all moving parts to come to a complete stop,
disconnect the PTO shaft from the tractor, then wait 5 minutes before moving or performing maintenance/inspection 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. See the Owner’s Manual that came with the Tractor and with the PTO Shaft for
Specific
Tractor and PTO Shaft maintenance.
Procedure
Before
Each Use
Every 8-10
Hours
Every 18-20
Hours
Every 40
Hours
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
Lubricate PTO Shaft Grease Fittings
Lubricate PTO Sheave Bearings
Check Belt Tension and Condition
1
st
time 1
hour
Lubricate PTO Shaft Spline ends and center overlap
Inspect or replace Drive Belt