Cutting Deck Operating Problems - Toro Groundsmaster 4000-D Service Manual

Cutting Deck Operating Problems

NOTE: Check InfoCenter Display for possible operator
advisories or faults whenever diagnosing machine elec-
trical problems.
Problem
The cutting decks remain engaged, but should not,
with no operator in the seat.
Cutting deck runs, but should not, when raised. Decks
shut off with PTO switch.
Cutting decks run, but should not, when raised. Decks
do not shut off with the PTO switch.
Groundsmaster 4000--D/4010--D
NOTE: To engage the mow circuit, the operator must
be in the operator seat, the traction speed must be in the
LOW speed (mow) position, the PTO switch must be ON
and the cutting deck(s) must be fully lowered and in float.
Possible Causes
The seat switch or circuit wiring is faulty.
A hydraulic problem in the mow circuit exists (see
Troubleshooting section of Chapter 4 -- Hydraulic
System).
The TEC controller is faulty.
The deck position switch or circuit wiring is faulty.
A hydraulic problem in the mow circuit exists (see
Troubleshooting section of Chapter 4 -- Hydraulic
System).
The TEC controller is faulty.
Both the deck position switch or circuit wiring and PTO
switch or circuit wiring are faulty.
A hydraulic problem in the mow circuit exists (see
Troubleshooting section of Chapter 4 -- Hydraulic
System).
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