Problem
Possible Cause
Corrective Action
1. There is a faulty pump.
1. Identify the noisy pump and service or
replace.
2. There is a faulty motor.
2. Identify the noisy motor and service or
replace.
3. There is air leaking into the system.
3. Tighten or replace hydraulic fittings,
particularly in suction lines.
4. The suction strainer is blocked or
damaged.
4. Clean and replace the suction strainer.
5. There is excessive oil viscosity due to
cold conditions.
5. Allow the system to warm up.
6. The relief-valve setting is low.
6. Have the relief valve cleaned and
pressure checked. Contact an
Authorized Service Dealer.
There is excessive noise in the hydraulic
system.
7. The hydraulic-fluid level is low.
7. Fill the hydraulic-fliud reservoir to the
correct level.
1. There is a worn pump or motor.
1. Replace as the pump or motor.
2. The hydraulic-oil level is low.
2. Fill the hydraulic-fluid reservoir to the
correct level.
3. The hydraulic-oil viscosity is incorrect.
3. Replace the oil in hydraulic tank with
correct viscosity of oil.
4. The oil-filter element is blocked.
4. Change the filter element.
5. The pressure relief valve does not
function.
5. Have the relief valve cleaned and
pressure checked. Consult your
authorized dealer.
6. There is overheating.
6. Reduce the work rate by increasing the
height of cut or reducing your forward
speed.
After initial operation, the machine loses
power.
7. There are leaks in the suction hose.
7. Check and tighten fittings. Replace
hose if necessary.
1. Lift cylinder seal failure.
1. Replace seals.
2. Pressure-relief valve is jammed open
or wrongly set.
2. Have relief valve cleaned and pressure
checked. Consult your authorized
dealer.
3. The control valve is not functioning.
3. Overhaul the control valve.
Cutting unit fails to lift out of work.
4. There is a mechanical blockage.
4. Remove the blockage.
1. There is tightness in the pivots.
1. Release and grease the pivots as
needed.
2. Mower operated in the Hold position.
2. Move position-control switch to the
Down/Float position.
Cutting unit does not follow ground
contours.
3. The weight transfer set too high.
3. Reduce the weight transfer.
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Summary of Contents for Groundsmaster 3400
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