Cutting Deck Lift/Lower Problems - Toro Groundsmaster 4000-D Service Manual

Cutting Deck Lift/Lower Problems

NOTE: Check InfoCenter Display for possible operator
advisories or faults whenever diagnosing machine elec-
trical problems.
Problem
None of the cutting decks will lower.
None of the cutting decks will raise.
Center cutting deck will not raise or lower, but both
side cutting decks will raise and lower.
Groundsmaster 4000--D/4010--D
NOTE: To lower a cutting deck, the operator must be in
the operator seat and the traction speed must be in the
LOW speed (mow) position. To raise a cutting deck, the
operator must be in the operator seat.
Possible Causes
The HI/LOW speed switch is in the HI speed position.
Operator is not fully depressing the seat switch.
TEC fuse(s) are faulty.
The seat switch or circuit wiring is faulty.
The HI/LOW speed switch or circuit wiring is faulty.
Combination control manifold solenoid coil S1 or circuit
wiring is faulty.
A hydraulic problem in the lift/lower circuit exists (see
Troubleshooting section of Chapter 4 - Hydraulic
System).
The TEC controller is faulty.
TEC fuse(s) are faulty.
Combination control manifold solenoid coil S1 or circuit
wiring is faulty.
A hydraulic problem in the lift/lower circuit exists (see
Troubleshooting section of Chapter 4 - Hydraulic
System).
The TEC controller is faulty.
The center deck lift switch or circuit wiring is faulty.
Combination control manifold solenoid coils S5 or S6
or circuit wiring is faulty.
A hydraulic problem in the lift/lower circuit exists (see
Troubleshooting section of Chapter 4 - Hydraulic
System).
The TEC controller is faulty.
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