Toro Reelmaster 7000 Service Manual page 66

PTO Problems
Problem
None of the cutting units will oper-
ate.
NOTE: Cutting units have to be fully
lowered and traction speed needs to
be in mow speed (4WD) for cutting
units to operate.
One cutting unit will not operate.
Several cutting units will not operate.
Hydraulic System
Possible Cause
Cutting units are not fully lowered to ground.
Operator seat is unoccupied.
Mow speed limiter is in transport (2WD) position.
Electrical problem exists that prevents mow control manifold sole-
noid valve operation (see Chapter 5 -- Electrical System).
Gear pump sections P1 and P2 are damaged.
Gear pump coupler is damaged (other hydraulic circuits will be af-
fected as well).
System pressure to the affected cutting unit motor is low.
Cutting unit problem exists (see Chapter 8 -- Cutting Units).
Spline on affected cutting unit motor is damaged.
Cutting unit motor relief valve is stuck or damaged.
Cutting unit motor is damaged. NOTE: If appropriate, transfer a sus-
pected damaged motor to another cutting unit. If problem follows the
motor, motor needs repair or replacement.
Electrical problem exists that prevents mow control manifold sole-
noid valve operation (see Chapter 5 -- Electrical System).
Cutting units are not fully lowered to ground.
Mow control manifold proportional valve (SP1 or SP2) for affected
cutting units is faulty.
Mow control manifold logic cartridge valve (LC1 or LC2) for af-
fected cutting units is stuck or damaged.
Mow control manifold check valve (CV1 or CV2) for affected cutting
units is stuck or damaged.
Gear pump section (P1 or P2) is worn or damaged.
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