Great Plains DVN8324 Operator Manual - Manual (Page 60)

550-466M 11/25/2013
56 8315-8324DVN Great Plains Manufacturing, Inc.
Troubleshooting
General Performance
Problem Cause Solution
Rear Shanks Leaving
Groove Rear of machine running too deep.
Coulter/disc gangs too deep.
Drag set incorrectly.
Operating machine too fast.
Level machine from front to rear with turn-
buckle, See “Front to Rear Leveling” on
page 37
Raise disc gangs.
Reset drag, See “Rear Attachment Set-
tings” on page 40.
Slow down (9-11 km/h)/(6-7 m/h).
Leaving Ridges On
The Outside Wings not level.
Lift cylinders out of phase.
Leaking wing lift cylinder.
Drag set Incorrectly.
Operating machine too fast.
Adjust eyebolt at rear of wing cylinders to
level wings. See “Side to Side Leveling” on
page 38.
Rephase lift cylinders.
Repair or replace leaky cylinder, See pages
34-37 of “Parts Manual”.
Reset drag, See “Rear Attachment Set-
tings” on page 40.
Slow down (6-7 m/h)/(9-11 km/h)
Wings Not Penetrating Wings not level.
Coulter/disc gangs too deep.
Wing gangs deeper than center gangs.
Fold cylinder nor fully extended.
Adjust eyebolt at rear of wing cylinders to
level wings. See “Side to Side Leveling” on
page 38.
Raise disc gangs.
Rephase gang circuit.
Fully extend cylinders.
One Wing Running
Deeper Than The
Other Wings not level.
Leaking wing lift cylinder.
Wing cylinder in wrong sequence.
Improper tire pressure.
Adjust eyebolt at rear of wing cylinders to
level wings. See “Side to Side Leveling” on
page 38.
Repair or replace leaky cylinder, See pages
34-37 of “Parts Manual”.
Repair or replace leaky cylinder, See pages
26-27 of “Parts Manual”.
Set air pressure, See “Tire Inflation Chart”
on page 64.
Both Wings Running
Too Deep Wings not level.
Improper tire pressure. Adjust eyebolt at rear of wing cylinders to
level wings. See “Side to Side Leveling” on
page 38.
Set air pressure, See “Tire Inflation Chart”
on page 64.
Whole Machine Runs
Deeper Leaking depth stop cartridge.
Leaking master lift cylinder. Replace cartridge.
Repair or replace leaky cylinder, See pages
26-27 of “Parts Manual”.
Center & One Wing
Run Deeper Leaking master lift cylinder. Repair or replace leaky cylinder, See pages
26-27 of “Parts Manual”.