Toro Groundsmaster 4100-D Service Manual page 64

Problem
Cutting decks drop too fast or too
slow.
Cutting deck will not lower.
Hydraulic System
Possible Causes
Flow control valve is not adjusted properly.
Lift arm pivots are binding.
Lift cylinder is damaged.
Counterbalance pressure is excessive.
Lift/lower control valve is worn or damaged.
Pilot valve in lift/lower manifold is damaged or sticking.
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