Landoll 7831 Operator's Manual page 32

TROUBLESHOOTING GUIDE
PROBLEM
LEAVING A VALLEY ON LEFT REAR
CORNER
FLOOR CUT HAS RIDGES
FLOOR CUT HAS GROOVES
MACHINE BOUNCES IN FIELD
UNEVEN OPERATING DEPTH
REAR GAUGE POINTS NOT UNIFORM
MACHINE DOES NOT HOLD
CONSISTENT WORKING DEPTH
5-2
PROBABLE CAUSE
LEVELING BOARD TOO HIGH, DIRT
FLOWING BENEATH IT
COVER DISC NOT GENERATING
ENOUGH LOOSE DIRT
REAR GANGS OUT OF ADJUSTMENT
REAR GANGS OUT OF ADJUSTMENT
EXCESSIVE TRAVEL OF INNER REAR
WING FRAMES
FLOOR CUT IRREGULAR
FIELD CONDITIONS TOO ROUGH
FOR OPERATING SPEED
AIR IS TRAPPED IN THE GAUGE
CYLINDERS
WING FRAME(S) NOT EVEN WITH
CENTER SECTION
REAR GAUGE POINTS OUT OF
SYNCHRONIZATION
CYLINDER LEAKING INTERNALLY
REAR GAUGE POINTS OUT OF
SYNCHRONIZATION
REAR GAUGE POINT LIMIT VALVE
LEAKING
FRONT GAUGE POINT LIMIT VALVE
LEAKING
FRONT AND OR REAR GAUGE
POINTS OUT OF SYNCHRONIZATION
SOLUTION
• LOWER LEVELING BOARD
• MAKE LOWER EXTREMITY OF
THE LEVELING BOARD
PARALLEL WITH THE GROUND
• MOVE COVER DISC TOWARDS
LEVELING BOARD (EXTREME
FRONT LEFT BLADE)
• REPLACE 22 INCH BLADE WITH
24 INCH BLADE
• USE COMPOUND ANGLE DISC
SHANK
ADJUST REAR GANGS TO THE LEFT
(SLIGHTLY LESS THAN THE
AVERAGE WIDTH OF THE RIDGE
TOPS)
ADJUST REAR GANGS TO THE
RIGHT (SLIGHTLY LESS THAN THE
AVERAGE WIDTH OF THE
GROOVE BOTTOMS)
INSTALL WING FLOAT LOCKOUT KIT
(PART #195020)
ADJUST REAR GANGS LATERALLY
REDUCE OPERATING SPEED, WORK
TWICE IF NECESSARY
REMOVE AIR FROM CYLINDERS BY
HOLDING HYDRAUILC CIRCUIT IN
EXTEND POSITION FOR 5 TO 10
SECONDS AFTER FULL
EXTENSION
ADJUST WING FRONT GAUGE
POINTS, SEE OPERATORS
MANUAL, SYNCHRONIZING AND
LEVELING FRONT GAUGE POINTS
SYNCHRONIZE CYLINDERS BY
HOLDING HYDRAUILC CIRCUIT IN
EXTEND POSITION FOR 5 TO 10
SECONDS AFTER FULL
EXTENSION
REPAIR/REPLACE CYLINDER
SYNCHRONIZE CYLINDERS BY
HOLDING HYDRAUILC CIRCUIT IN
EXTEND POSITION FOR 5 TO 10
SECONDS AFTER FULL
EXTENSION
REPLACE REAR LIMIT VALVE (ON LH
WING FRAME)
REPLACE FRONT LIMIT VALVE (ON
HITCH)
SYNCHRONIZE CYLINDERS BY
HOLDING HYDRAUILC CIRCUIT IN
EXTEND POSITION FOR 5 TO 10
SECONDS AFTER FULL
EXTENSION
F-801-1115 Edition