Troubleshooting - Oregon 480RT Original Instruction Manual

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TROUBLESHOOTING

Troubleshooting
PROBLEM
Rotor will not turn.
Tiller won't cut.
Tiller stalls when tilling.
Tilled soil is too fine.
Tilled soil is too coarse.
Grass and weeds wrapping rotor.
Oil leaks.
Excessive noise.
22
POSSIBLE CAUSE
Tractor PTO not engaged.
Clutch friction discs worn.
Obstruction between rotor and frame.
Gearbox damaged.
Skid shoes set too shallow.
Blade orientation does not match tiller
rotation.
Skid shoes set too deep.
Too much regrinding.
Too little regrinding.
Grass too tall.
Tiller not level.
Worn or damaged seal.
Loose or damaged hoses or connections.
Worn or damaged housing.
Breather leaking.
Wrong type of oil installed.
Rotor blade hardware is loose or missing.
Hex shaft shield.
SOLUTION
Check control lever or tractor manual for
resetting PTO.
Check and replace.
Check and clear obstruction.
Check that output shaft rotates.
Raise skid shoes one hole.
Reverse all blades.
Lower skid shoes one hole.
Raise tailgate or increase travel speed.
Lower tailgate or decrease travel speed.
Mow grass before tilling.
Adjust top link of 3-point hitch.
Inspect and replace.
Check for leaks and repair or replace.
Inspect and replace if required.
Turn breather hole, check oil level.
Check specification chart for proper oil grade.
Tighten loose blade hardware. Replace
missing blade hardware.
Check for axial clearance between gearboxes
and hex shield ends.

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This manual is also suitable for:

600rt720rtOr60rt-1Or48rt-1

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