Toro Groundsmaster 4000-D Service Manual page 204

Cutting Deck Lift/Lower Problems (Continued)
Problem
RH wing cutting deck will not raise or lower, but the
front and LH wing cutting decks will raise and lower.
LH wing cutting deck will not raise or lower, but the
front and RH wing cutting decks will raise and lower.
Electrical System
Possible Causes
The RH deck lift switch or circuit wiring is faulty.
Fuse F4--3 is faulty.
Lift control manifold solenoid coils S7, S8 or S9 or
circuit wiring is faulty.
A hydraulic problem exists (see Troubleshooting
section of Chapter 4 - Hydraulic System).
The TEC--5001 controller is faulty.
The LH deck lift switch or circuit wiring is faulty.
Lift control manifold solenoid coils S2, S3 or S4 or
circuit wiring is faulty.
A hydraulic problem exists (see Troubleshooting
section of Chapter 4 - Hydraulic System).
The TEC--5001 controller is faulty.
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