5-2
F-721-0513
TROUBLESHOOTING GUIDE
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.
HYDRAULIC - WING SETTLING
Wing cylinder leaking
Repair cylinder.
COULTER GANG PLUGGING
Operating depth too deep
Raise unit.
Conditions too wet
Wait until conditions more favorable.
COULTER GANG WILL NOT TURN OR
PUSHES SOIL
Depth set too deep for loose or wet
conditions
Raise implement or wait until conditions
are more favorable
Gang bearing failure
Replace bearing
COULTER BLADES LOOSE AND/OR
SHEARING ROLL PIN
Gang not tightened properly
Retighten gang shafts to 1200-1500 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.
PROBLEM
PROBABLE CAUSE
SOLUTION
Содержание 2131
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