5-1
Chapter 5
Troubleshooting Guide
PROBLEM
PROBABLE CAUSE
SOLUTION
UNIT NOT PULLING EVEN
Coulter gangs uneven depth
Adjust depth/rephase coulter gang
cylinders
Gang Lift System” on
page 4-6.)
UNEVEN DEPTH
Unit not level when under power in the field
Level unit front to rear
(Front-to-Rear)” on page 4-7.)
Excessive coulter gang depth or down
pressure
Reduce coulter depth.
Tire pressure too low
Check inflation.
Unit not level front to rear
Adjust unit to be level
(Front-to-Rear)” on page 4-7.)
Wing frame and center frame not level
Level wing frames to center frame
“Leveling (Side to Side)” on
page 4-8.)
Lift cylinders not in phase
Fully extend lift cylinders and hold
hydraulic lever until all cylinders are
fully extended.
Fold cylinders not fully extended to allow
wings to flex
Extend fold cylinders fully.
UNIT SIDE DRAFTS OR MOVES SIDE
TO SIDE
Lift wheels not carrying enough weight
Adjust depth stop and raise implement.
Unit not level front to rear
Adjust unit to be level.
FRAMES NOT EVEN
Lift wheels not carrying enough weight
Adjust depth stop and raise implement
Wing frames and center frame not level to
each other
Level wing frames to center frame
“Leveling (Side to Side)” on
page 4-8.)
SHANKS PLUGGING WITH RESIDUE
Unit not level
Level machine
(Front-to-Rear)” on page 4-7.)
Coulters not cutting residue
Adjust coulter depth or raise shanks to
upper set of holes and lower entire
machine for more coulter depth.
Twisted shovels throwing soil wrong
direction
Install shovels
(
thru
.)
SHANKS NOT PENETRATING
Unit not level
Level unit front to rear
(Front-to-Rear)” on page 4-7.)
Excessive coulter depth
Reduce depth
Points worn
Install new points
WHEEL BEARING FAILURE
Triple-lip seals not installed correctly
Install seals with the lips pointing outward
away from the hub.
HYDRAULIC - COULTER LIFT
CYLINDERS NOT FULLY EXTENDING
Lift cylinders not in phase
Fully extend cylinders and hold hydraulic
lever until all cylinders are fully
extended.
Cylinders not installed in proper series
Wing cylinders are smaller diameter than
center cylinders. Reinstall cylinders
properly.
Hoses not properly connected
Check hose routing
HYDRAULIC - ENTIRE UNIT SETTLING
Depth stop valve not working
Repair valve
HYDRAULIC - UNIT SETTLING, ONE
WING RAISING
Center frame cylinder leaking internally on
side of unit that wing is raising
Repair center master cylinder.
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