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Landoll WFPC38-52 Wing Float Pulverizer User Manual

Page 54

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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

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