Great Plains DVN8324 Operator Manual - Manual (Page 62)

58 8315-8324DVN Great Plains Manufacturing, Inc.
550-466M 11/25/2013
Sweep/Shank Performance
Problem Cause Solution
Uneven Sweep Depth
Across Working Width Wings not level.
Leaking lift cylinder.
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
26-27 of “Parts Manual”.
Set air pressure, See “Tire Inflation Chart”
on page 64
Sweep’s Front Wear-
ing Faster Than Rear Machine nose down front to rear. Level machine front to rear with turnbuckle,
See “Front to Rear Leveling” on page 37.
Sweep’s Rear Wear-
ing Faster Than Front Machine nose up front to rear. Level machine front to rear with turnbuckle,
See “Front to Rear Leveling” on page 37.
Magnum Shank Exces-
sive Wear In Pivot Bolt Loose pivot bolt. Tighten pivot bolt, See pages 42-45 of
“Parts Manual”.
Twisted K-Flex Turning while machine in the ground. Raise the machine out of the ground when
turning.
Opening K-flex Shank Turning while in the ground.
Backing up while in the ground. Raise the machine out of the ground.
Raise the machine out of the ground.
Bottom C-shank Bend-
ing Running too deep/fast.
Improper shank. Reduce working depth/speed.
Switch to Magnum Shank
Transport
Problem Cause Solution
Wings Fail to Unfold Hydraulic hose disconnected.
Failed hydraulic hose tip.
Transport locks engaged. Connect hydraulic hose.
Replace tip.
Disengage transport locks.
Wings Fail To Fold Hydraulic hose disconnected.
Failed hydraulic hose tip.
Low hydraulic pressure. Connect hydraulic hose.
Replace tip.
Increase pressure to be>1500psi
(10.3x10^6 Pa).
Folds/Unfolds Too
Slow Failed hydraulic hose tip. Replace tip.
Folds/Unfolds Too
Fast Cylinder orffices removed. Replace orffices in cylinder ports.
Lift Circuit immobi-
lized Rebound valve locked. See dealer.
Lift Will Not Go Down Transport locks engaged.
Depth stop engaging.
Failed poppet valve in depth stop.
Depth stop failing due to hose routing. Disengage transport locks.
Readjust depth stop.
Replace poppet valve in depth stop.
Check routing with hydraulic layout in “Pre-
Delivery or Assembly Manual”.
Machine Bouncing
During Transport Excessive speed. Slow down (30 km/h)/(18 m/h).