Section 8: Troubleshooting
AFM4211 All-Flex Grooming Mower 315-507M
3/8/23
50
Troubleshooting Chart
Problem
Cause
Solution
Oil seal leaking
Gearbox overfilled
Drain to level fill hole
Seals damaged
Replace seals
Grass or wire wrapped on shaft in
seal area
Clean off wrapped material and check seal areas daily
Slip clutches slip even with
a light load
Scalping the ground
Raise cutting height.
Clutch is not properly adjusted
Adjust clutch. See “Driveline Protection” on page 38.
Clutch plates are worn out
Replace clutch plates.
See “Driveline Protection” on page 38.
Foreign object caught between
clutch plates
Remove foreign object.
Driveline yoke or cross
failing
Shock load
Avoid hitting solid objects
Bottoming out
Shorten driveline profiles
Front constant velocity driveline
mounted wrong
Be sure constant velocity joint is to tractor power take-
off output shaft
Folding mower with drive
engaged
Never fold mower decks with power take-off engaged
Needs lubrication
Lubricate every 25 hours
Bent driveline (NOTE:
driveline should be repaired
or replaced if bent)
Contacting drawbar
Reposition drawbar
Bottoming out
Shorten driveline profiles
Driveline telescoping
profile failing
Shock load
Avoid hitting solid objects
Driveline telescoping
profile wearing
Needs lubrication
Lubricate every 50 hours
Unable to turn sharply with
mower engaged
Front constant velocity driveline
mounted wrong
Be sure constant velocity joint is attached to tractor
power take-off output shaft
Blades wearing excessively
Cutting on sandy ground
Raise cutting height. Change to low lift blades
Contacting ground frequently
Raise cutting height
Blades breaking
Hitting solid objects
Avoid solid objects
Excessive vibration
Driveline bent
Replace bent drivelines
Blade broken or bent
Replace blade
Cross not centered with yoke
Disassemble and inspect for incorrectly located needles
or damaged bearing cap
Debris in sheaves or on mower
deck
Remove belt guard shield and clean debris from belt
area and sheaves
Sheaves damaged or out of
alignment
Replace sheaves or align
Drive belt damaged
Replace drive belt - check for belt contacting deck
component.
Inadequate clearance between
belt guard shields and belt
Remove belt guard shields and clean debris from belt
area and sheaves
Section 8:
Troubleshooting