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13SGH-16SGB OWNER’S MANUAL 8/29/18 Page 10 of 11
ELECTRICAL SCHEMATIC- HONDA GX390
STUMP GRINDER TROUBLESHOOTING GUIDE
CAUTION!!
Always use extreme care when troubleshooting or making adjustments on stump
grinder. Stay clear of cutter wheel when engine is running. Stop engine before disassembling any
component.
Cutter Wheel Problem
1.
Slow cutter wheel speed
Check and adjust belts tension
2.
Rough cutting or bouncing
Check teeth for wear, rotate or replace as needed
Brake System Problems
1.
Tire loose when brake engaged
Check and adjust brake cable as needed