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Section 8: Troubleshooting
1/29/14
RCR2684 Rotary Cutter 312-785M
Table of Contents
Section 8: Troubleshooting
Troubleshooting
Problem
Cause
Solution
Oil seal leaking
Gearbox overfilled
Drain to side plug hole.
Seals damaged
Replace seals
Grass or wire wrapped on shaft in
seal area
check seal areas daily
Driveline yoke or cross failing
Shock load
Avoid hitting solid objects
Needs lubrication
Lubricate every 8 hours.
Driveline clutch is slipping
Scalping the ground
Raise cutting height
Cutting too fast
Reduce travel speed
PTO being engaged too fast at high
engine rpm
Slowly engage PTO at low engine rpm
Cutting over solid objects
Avoid solid objects
Bent Driveline (NOTE: driveline
should be repaired or replaced if
bent)
Contacting frame
Reduce lift height in transport position
Contacting drawbar
Reposition drawbar
Bottoming out
Shorten driveline
Driveline telescoping tube failing
Shock load
Avoid hitting solid objects
Driveline telescoping tube wearing
Needs lubrication
Lubricate every 20 hours
Blades wearing excessively
Cutting on sandy ground
Raise cutting height
Contacting ground frequently
Raise cutting height
Blades breaking
Hitting solid objects
Avoid hitting solid objects
Blades hitting each other
Blade carriers need to be timed
Blades coming loose
Blades not tightened properly
Tighten blade hardware (refer to
"Cutter Blade
Maintenance"
on page 24.)
Improper deck attitude
Lower front of deck, see page 14.
Blade carrier becomes loose
Running loose in the past
Replace gearbox output shaft and blade carrier
Blade carrier hardware not tight
Tighten to specified torque
Blade bolt holes worn
Blade hardware running loose
Replace blades and blade bolts if worn
Blade carrier bent
Hitting solid objects
Avoid hitting solid objects and replace blade carrier
Excessive side skid wear
Cutting height not level
Adjust cutter height
Soil abrasive
Adjust cutter height
Cutting too low
Adjust cutter height
Tail wheel support failing
Lowering too fast
Adjust rate of drop
Hitting objects when turning
Reduce speed on turns
Excessive vibration
Driveline bent
Replace driveline
Blades loose
Tighten blade bolts
Blade carrier bent
Replace blade carrier
Blade broken
Replace blade
Blade will not swing
Remove and inspect blade
Blades have unequal weight
Replace both blades
