Landoll 7822 Series, Руководство оператора

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5-1
TABLE OF CONTENTS
Chapter 5
Troubleshooting
The Troubleshooting Guide, shown below, is included to
help you quickly locate problems that can occur when
using your 7822 High Speed Landoll (HSL). Follow all the
safety precautions stated in the previous sections when
making any adjustments to your machine.
Problem Cause Solution(s)
Disc plugs or pushes.
Operating too deep. Shallow up the depth gauges.
Operating speed to slow.
• Reduce tillage depth.
• Increase ground speed.
Excessive amount of dirt collected
on the discs.
Field conditions too damp.
Foreign object caught between the
bland and shank, or blade and
frame.
Remove the object. If this happens
repeatedly, consider installing
scrapers.
Disc hub bearing frozen.
Replace the bearing and hub
assembly.
Depth gauge cylinders (front and/or
rear) out of synchronization.
Synchronize cylinders by holding
hydraulic circuit in extended position
for 5 to 10 seconds after full
extension.
Front wing gauge wheels not level
with center section.
See “Synchronizing and Leveling
Front Gauge Points” on page 4-3 .
Rear depth gauge reel/roller bearing
frozen.
Replace the bearing assembly.
Disc tracking to the left behind
tractor.
Rear gangs too deep relative to the
front.
Adjust tilt control counter-clockwise.
Disc tracking to the right behind
tractor.
Front gangs too deep relative to the
rear.
Adjust tilt control clockwise.
Leaving a valley on the left rear
corner. Leveling board too high; dirt flowing
beneath it.
• Lower leveling board.
• Make lower extremity of the
leveling board parallel with the
ground.
Cover disc not generating enough
loose dirt.
• Move cover disc towards
leveling board.
• Replace front left 22” blade with
24” blade.
• Use compound angle disc
shank in place of a vertical
shank.
Floor cut has grooves or ridges. HSL is not tracking straight behind
tractor.
See previous guides on “tracking to
the left or right”.
Floor cut has ridges. Rear gangs out of adjustment
relative to the front disc unit.
Adjust rear gang to the left slightly
less than the average width of the
ridge top.