Landoll 6230 Operator's Manual page 94

TROUBLESHOOTING GUIDE
PROBLEM
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
DISC GANG BEARING SNAP RING
POPS OUT
SCRAPERS BUILD UP WITH
EXCESSIVE SOIL/RESIDUE
DISC BLADES LOOSE AND/OR
SHEARING ROLL PIN
HARROW PLUGGING
HARROW BUNCHING RESIDUE
HARROW DRAGS GROUND WHEN
TRANSPORTING
5-2
PROBABLE CAUSE
Triple-lip seals not installed correctly
Lift cylinders not in phase
Cylinders not installed in proper series
Hoses not properly connected
Depth stop valve not working
Center frame cylinder leaking internally on
side of unit that wing is raising
Wing cylinder leaking
Scrapers set too far from disc blade
Operating depth too deep
Conditions too wet
In drier conditions, set scraper farther away from disc blade to improve residue flow
Scrapers set too tight
Depth set too deep for loose or wet
conditions
Gang bearing failure
Gang bearings installed incorrectly
Scrapers set too far from disc blade
Gang not tightened properly
Harrow height set too low
Tine angle too steep
Harrow too aggressive
Operating depth set too low
Disc leveler linkage not set correctly
SOLUTION
Install seals with the lips pointing outward
away from the hub.
Fully extend cylinders and hold hydraulic
lever until all cylinders are fully
extended
Wing cylinders are smaller diameter than
center cylinders. Reinstall cylinders
properly
Check hose routing
Repair valve
Repair center master cylinder
Repair cylinder
Adjust scrapers to meet disc blade closer
and evenly
Raise unit
Wait until conditions more favorable
Readjust scrapers
Raise implement or wait until conditions
are more favorable
Replace bearing
Install bearings with snap ring away from
concave side of disc blade
Readjust scrapers
Retighten gang shafts to 1250-1500 ft-lbs.
If gangs have ran loose, gangs may
require disassembly to remove soil to
properly torque gang shafts. Replace
any worn components, shafts/spools,
etc.
Raise harrow height.
Use lower tine tooth angle
Use lower tine tooth angle and/or raise
harrow
Raise harrow height
Reposition in lower leveler hole
F-440-0110 Edition