Landoll WFPC38-52 Wing Float Pulverizer - Manual (Page 54)

4-8 F-661-R2
MAINTENANCE
Figure 4-5: Troubleshooting
POSSIBLE CAUSE SUGGESTED REMEDY
Connections loose Connect loose connection
Bulbs burned out Change bulb
Power supply absent Repair power source
Light module failure Replace light module
External hydraulic leak Repair leak
External hydraulic leak Repair leak
Air in hydraulic circuit Bleed air from hydraulic circuit
Tractor valve does not hold pressure Repair tractor valve
Adjust turnbuckle to locate wing hinge
roller in the lower 1/3 of Guide Slot
Internal hydraulic cylinder leakage
Note: Does the cylinder get warm with rod
completely extended or retracted and the
hydraulic circuit still activated?
Heat indicates internal leakage
Repair or replace hydraulic cylinder
Center lowers before wings unfold
Center Roller Bulldozes
Warning Lights do not work
Wings do not fold
Not enough tractor hydraulic pressure
Leaving tire tracks in field
Transport axle hydraulic cylinder isn't fully retracted
Retract transport axle hydraulic cylinder
Note: Make sure that the wing hydraulic cylinders
are completely extended
Increase hydraulic pressure
Internal hydraulic cylinder leakage
Note: Does the cylinder get warm with rod
completely extended or retracted and the
hydraulic circuit still activated?
Heat indicates leakage
Repair or replace hydraulic cylinder
Too much hydraulic fluid flow
Note: Wing hydraulic cylinders have restrictors, if flow
is too great, pressure increases and rockshaft
hydraulic cylinder becomes activated
Reduce hydraulic fluid flow
Top Link not adjusted properly Adjust turnbuckle to locate wing hinge roller in
the lower 1/3 of Guide Slot
Wing Hinge roller is not in the
correct position
Troubleshooting