31
7/25/13
RTA10 & RTA15 Series Rotary Tillers 311-252M
Section 7: Troubleshooting
Section 7: Troubleshooting
Problem
Cause
Solution
Machine makes intermittent
clicking noise
Tines are loose.
Gearbox has tooth damaged.
Roller chain is damaged.
Tighten tines.
Replace damaged gearbox.
Replace damaged chain link.
Driveline vibrates
Universal joint is worn.
Excessive trash is wrapped on rotor.
Machine is lifted too high.
Replace universal joint.
Remove trash.
Lower machine and readjust tractor lift stop.
Gearbox noise is noticeable
and constant
May be normal on new machine.
Low oil level.
Worn gears.
Allow time for break-in.
Add oil to the gearbox.
Replace gears in the gearbox.
Oil leaking from gearbox
Seals and/or gaskets are damaged.
Gearbox is overfilled.
Replace seals or gaskets in the gearbox.
Drain oil to proper level.
Rotor will not turn
PTO is not engaged.
Drive chain is broken.
Driveline shearbolt is sheared.
Friction clutch is slipping.
Engage PTO.
Repair drive chain.
Replace shearbolt.
Reduce load to tiller.
Tillage depth insufficient
Tiller is carried by tractor.
Tractor has insufficient power.
Skid Shoes need adjusting.
Tines are worn or bent.
Tines are incorrectly installed.
Obstacles are entangled in tines and/or rotor.
Lower hitch clevises are in the wrong position.
Lower tractor 3-Point arms.
Increase tractor rpm.
Adjust skid shoes.
Replace tines.
Check tine placement.
Clear rotor and/or tines of obstacles.
Relocate lower hitch clevises.
Soil texture too coarse
Leveling door is too high.
PTO speed is too slow.
Ground speed is too fast.
Lower leveling door.
Increase PTO speed.
Decrease ground speed.
Soil texture too fine
Leveling door is too low.
Ground speed is too slow.
Raise leveling door.
Increase Ground Speed.
Machine skips or leaves
crop residue
Tines are badly worn.
Friction clutch is slipping.
Ground speed is too fast for conditions.
Replace worn tines.
Reduce load.
Reduce ground speed.
Tines operating behind
tractor tires show increased
wear
Tractor tires can compact soil causing tines
that operate in the compacted soil to have
increased wear.
Considered as normal wear.
Replace worn tines.
Tines balling up with soil
Tines are worn or bent.
Tines are incorrectly installed.
Rear deflector is too low.
Tractor speed is too fast.
Soil is too wet.
Replace tines.
Install tines correctly.
Raise rear deflector.
Decrease tractor speed.
Wait until soil dries.
Tiller bumping on ground
Obstacles are entangled in tines and/or rotor.
Tines are not installed correctly.
Clear rotor and/or tines.
Install tines correctly.