Troubleshooting Guide - Landoll VT Plus 7431 Operator's Manual

The Troubleshooting Guide, shown below, is included to
help you quickly locate problems that can happen using
your 7431 VT Plus. Follow all safety precautions stated in
the previous sections when making any adjustments to
your machine.
PROBLEM
UNIT NOT LEVEL, LEAVING CENTER
RIDGE
UNIT NOT LEVEL, LEAVING CENTER
FURROW
UNIT NOT LEVEL, LEAVING RIDGE ON
OUTSIDE OF UNIT
UNEVEN DEPTH
UNIT SIDE DRAFTS OR MOVES SIDE
TO SIDE
FRAMES BUCKLING, NOT EVEN

Troubleshooting Guide

PROBABLE CAUSE
Leveler not adjusted properly
Hitch adjustment too low
Gauge wheels carrying too much weigh
Leveler not adjusted properly
Hitch adjustment too high
Unit not level front to rear, front running too
deep
Wings not level with center frame
Operating speed too fast, front gang
moving soil past rear gang
Hitch adjustment too high
Gauge wheels too high, allowing wings to
go to deep
Frame not level side to side
Wing frames and center frame not level
Lift cylinders not in phase
Lift wheels not carrying enough weight
Fold cylinders not fully extended to allow
wings to flex
Tire pressure too low
Unit not level front to rear
Lift wheels not carrying enough weight
Unit not level front to rear
Level unit side to side
Gauge wheels too high, allowing wings to
go to deep
Lift wheels not carrying enough weight
Wing frames and center frame not level to
each other
Gauge wheels not set correctly or uneven
Chapter 5
SOLUTION
Adjust leveler, lower front gang
Raise implement hitch point
Raise gauge wheels
Adjust leveler, raise front gang
Lower implement hitch point
Adjust unit to be level.
Adjust side to side level. Wings should
typically be set even with or slightly
higher than center section
Slow down to proper operating speed for
field conditions.
Lower implement hitch point.
Properly reset gauge wheels.
Level center frame side to side.
Level wing frames to center frame
Fully extend lift cylinders and hold
hydraulic lever until all cylinders are
fully extended
Adjust depth stop and raise implement
extend fold cylinders fully.
Check inflation
Adjust unit to be level.
Adjust depth stop and raise implement.
Adjust unit to be level.
Level center frame and wing frame to
center frame side to side.
Properly reset gauge wheels.
Adjust depth stop and raise implement
Level wing frames to center frame
Set gauge wheels properly.
5-1