Section 8: Troubleshooting
RCFM4014 Rotary Cutter 326-730M
12/11/18
45
Section 8:
Troubleshooting
RCFM4014 Troubleshooting Chart
Problem
Cause
Solution
Oil seal leaking
Gearbox overfilled
Drain to bottom of 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
power take-off being engaged
too fast at high engine rpm
Slowly engage power take-off 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 40 hours
See “Intermediate Driveline Profile” on page 47
Shaft clamping cotter bolt on
intermediate driveline is not tight
Not maintaining intermediate
driveline
Re-tighten shaft clamping cotter bolt every 40
hours. See “Intermediate Drivelines” on page 38
Shaft clamping cotter bolt is shearing
Not greasing telescoping tubes Grease telescoping tubes every 40 hours.
See “Intermediate Drivelines” on page 38
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 “Service Cutting Blades” on page 34.
Improper deck attitude
Lower front of deck, see page 26.
Blade carrier becomes loose
Running loose in the past
Replace gearbox output shaft and blade carrier
Blade carrier hardware not tight
enough
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 blades in sets
Blade will not swing
Remove and inspect blade
Blades have unequal weight
Replace both blades