Landoll VT PLUS 7430 Operator's Manual page 80

UNIT SIDE DRAFTS OR MOVES SIDE TO SIDE
FRAMES BUCKLING, NOT EVEN
WHEEL BEARING FAILURE
HYDRAULIC - LIFT CYLINDERS NOT FULLY
EXTENDING
HYDRAULIC - ENTIRE UNIT SETTLING
HYDRAULIC - UNIT SETTLING, ONE WING
RAISING
HYDRAULIC - WING SETTLING
DISC GANG PLUGGING
DISC GANG WILL NOT TURN OR
PUSHES SOIL
5-2
Lift wheels not carrying enough weight: adjust
depth stop and raise implement.
Unit not level front to rear: adjust unit to be level.
Level unit side to side: level center frame and wing
frame to center frame side to side.
Gauge wheels too high, allowing wings to go to
deep: properly reset gauge wheels.
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
Gauge wheels not set correctly or uneven: set
gauge wheels properly.
Triple-lip seals not installed correctly: install seals
with the lips pointing outward away from the hub.
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
Depth stop valve not working: repair valve
Center frame cylinder leaking internally on side
of unit that wing is raising: repair center master
cylinder
Wing cylinder leaking: repair cylinder
Scrapers set too far from disc blade: adjust
scrapers to meet disc blade closer and evenly.
Operating depth too deep: raise unit.
Conditions too wet: wait until conditions more
favorable.
In drier conditions, set scraper farther away from
disc blade to improve residue flow
Scrapers set too tight: readjust scrapers.
Depth set too deep for loose or wet conditions:
raise implement or wait until conditions are more
favorable.
Gang bearing failure: replace bearing