Landoll 7130 TO THE MAX, Operator'S Manual

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4 TROUBLESHOOTING GUIDE
The Troubleshooting Guide, shown below, is included to help you quickly locate problems that can hap-
pen using your 7130 To The Max Roller Harrow. Follow all safety precautions stated in the previous
sectionwhen making any adjustments to your machine.
PROBLEM PROBABLE CAUSE:SOLUTION
HYDRAULICS RESPOND TOO RAPIDLY Hydraulic restrictors not installed: install hydraulic
restrictors
Hydraulic flow valve on tractor is open too far:
partially close hydraulic valve
WINGS DO NOT SLIDE INTO WING RESTS Stop bolt is out of adjustment: adjust the main
cylinder stop bolt (fine-thread)
EXCESSIVE CLOGGING DURING OPERATIONS Angle of attack too steep: lower main frame
wheels making less ground contact.
Improper adjustment of the leveling boards:
decrease tension on the leveling boards
Ground speed too slow: increase ground speed to
10 - 11 mph
LEVELING BOARD GATHERING DEBRIS Too much tension on leveling board. Excess field
debris, or ground speed too slow:
reduce tension
on leveling board spring. Remove latch assembly
from leveling board arms and let leveling boards
float.
THE MODULE CHAINS ARE LOPING Too fast or too loose: slow down by 1 mph
increments until loping stops. If loping continues,
tighten tooling module. If you cannot get any more
adjustment out of them, remove teeth in pairs until
tool tension is correct.
A RIDGE LEFT IN THE FIELD LOCATED ON THE
OUTSIDE OF THE HARROW SWATH (OUTSIDE
WINGS) Outside wings are digging in: adjust the gauge
wheel depth
WINGS ARE JERKING AND BOUNCING IN FIELD Running too fast: slow down
Improper gauge wheel pressure : adjust tire
inflation to proper specs
Cross brace has come loose: examine and tighten
cross brace.
CHOPPER REELS FREEZE UP WHEN RUN IN
HEAVY ROCK GROUND Large rocks are caught in blades: remove rocks
from blades
WING CYLINDERS ARE BENDING Hydraulic valve is not in float position: move
hydraulic valve forward into the floating position
MUD IS BUILDING UP BETWEEN THE CHOPPER
REEL SECTIONS AND LIFTING THE HARROW
OUT OF THE GROUND Running too deep: adjust working depth
Running too wet : wait for appropriate field
conditions before using machine
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