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Reelmaster 7000−DHydraulic System Page 5 − 34

Mow Circuit Problems (Continued)

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Problem

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Possible Cause

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Cutting unit stops under load.

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Relief valve in mow control manifold is bypassing.

Traction speed and cutting conditions (e.g. very tall or wet grass)

exceed cutting unit capacity.

Reel motor relief valve is stuck or damaged.

Reel motor has internal leakage (bypassing oil).

Gear pump section (P2 or P3) is worn or damaged.

Steering Circuit Problems

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Problem

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Possible Cause

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Steering inoperative or sluggish.

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Steering components (e.g. tie rods, steering cylinder ends) are

worn or binding.

Steering cylinder is binding.

Oil level in hydraulic reservoir is low (other hydraulic systems af-

fected as well).

Relief valve in steering control valve is stuck or damaged.

Flow divider (FD) in fan control manifold is faulty.

Steering cylinder leaks internally.

Steering control valve is worn or damaged.

Gear pump section (P4) is worn or damaged.

(NOTE: A worn or damaged gear pump section (P4) will also affect

the traction (charge) and lift circuits).

Toro 03721 Service Manual

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