Landoll 9650 Field Cultivator - Manual (Page 84)

5-2 F-605-0313 Edition
TROUBLESHOOTING GUIDE
SHANK SPRINGS BREAKING Lower spring pivot bolt too tight. Lower spring bolt must be loose enough
that spring end casting may pivot freely.
Upper spring bolt too tight. Should be 1/8 clearance between jam nut
and top spring plate.
Locking jam nut should be tight against
spring end, not top spring plate
SWEEPS NOT CUTTING, LEAVING
SKIPS Shanks not positioned correctly Check for proper shank placement
Sweeps not wide enough Use wider sweeps
Sweeps set too shallow Increase operating depth
Incorrect sweep angle Use 47 degree sweeps
Incorrect shank spring adjustment Adjust spring shank.
Bent/broken/loose shank or sweep Repair shank or sweep
WINGS FOLD TOO FAST Restrictors not properly installed in
cylinders Black restrictor fittings should be in both
ends of outer fold cylinders and rod end
of inner fold cylinders.
HYDRAULIC - 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. Cylinders not installed in proper series.
Wing cylinders are smaller diameter
than center cylinders
Hoses not properly connected Check hose routing
HYDRAULIC - ENTIRE UNIT SETTLING Tractor valve leaking Unplug unit from tractor, and check if unit
still settling
Bad fitting/hose Repair fitting/hose
HYDRAULIC - UNIT SETTLING, ONE
WING RAISING Center frame cylinder leaking internally on
side of unit that wing is raising.
Repair center frame master cylinder.
HYDRAULIC - WING SETTLING Wing cylinder leaking Repair wing cylinder
HYDRAULIC - UNIT WILL NOT
FOLD/UNFOLD 7-pin connector not plugged into tractor Attach 7-pin connector to tractor
Implement hydraulic lift not fully raised Fully raise implement to remove weight
from transport lock.
Limit switch incorrectly set. Verify that limit switch light is ON before
folding/unfolding. If not adjust limit
switch.
Tractor valve not working Try a different known working valve.
HYDRAULIC - DEPTH CONTROL VALVE
NOT WORKING Hydraulic hoses not properly connected Check hose connections
Depth stop contacts depth control valve,
but does not shut off oil. Valve plumbed incorrectly
Valve leaking internally.
Implement raises, but will not lower Valve or manifold plumbed incorrectly
WHEEL BEARING FAILURE Seals not properly installed Triple-lip seals should be installed with lips
pointing outward away from the hub.
HARROW PLUGS WITH RESIDUE Harrow set too aggressive Reduce tine/tooth angle to allow residue to
flow thru harrow
Harrow spring pressure excessive Harrow operating too deep, reduce spring
pressure/raise harrow.
HARROW REELS PLUGGING Excessive down pressure Reels operating too deep, reduce spring
pressure/raise harrow.
HARROW REELS WILL NOT TURN OR
PUSH SOIL Depth set too deep for loose or wet
conditions Adjust reel operating depth
Reel bearing failure Repair reel bearing.
PROBLEM PROBABLE CAUSE SOLUTION