Toro 03721 Service Manual

Reelmaster 7000−DPage 6 − 30Electrical System
Cutting Unit Lift/Lower Problems
NOTE: Check InfoCenter Display for possible operator
advisories or faults whenever diagnosing machine elec-
trical problems.
NOTE: To lower the cutting units, the operator must be
in the operator seat and the speed limiter must be in the
LOW speed (mow) position. To raise the cutting units,
the operator must be in the operator seat.
Problem
Possible Causes
None of the cutting units will lower and Operator
Advisory is displayed on InfoCenter (see Operator
Advisory list in this section).
The speed limiter is in the HI speed (transport)
position.
Operator is not fully depressing the seat switch.
None of the cutting units will lower and no Operator
Advisory is displayed on InfoCenter
TEC fuse F−C1 (7.5 amp) protecting the circuits for
hydraulic valves S1 and S3 are faulty.
The seat switch or circuit wiring is faulty.
The speed limiter switch or circuit wiring is faulty.
Hydraulic valve solenoid(s) or circuit wiring to the lift
control manifold S1 or S3 is faulty.
A problem in the lift/lower hydraulic circuit exists (see
Chapter 5 - Hydraulic System in this manual).
The TEC is faulty.
None of the cutting units will raise. TEC fuse F−B1 and/or F−C1 (7.5 amp) protecting the
circuits for hydraulic valves S1, S2 and S3 are faulty.
The seat switch or circuit wiring is faulty.
A problem in the lift/lower hydraulic circuit exists (see
Chapter 5 - Hydraulic System in this manual).
The TEC is faulty.
Front cutting units will not raise or lower, but rear
cutting units will raise and lower.
Lift control manifold solenoid coils S4 or circuit wiring is
faulty.
A problem in the lift/lower hydraulic circuit exists (see
Chapter 5 - Hydraulic System in this manual).
TEC is faulty.
Rear cutting units will not raise or lower, but front
cutting units will raise and lower.
Lift control manifold solenoid coils S5 or circuit wiring is
faulty.
A problem in the lift/lower hydraulic circuit exists (see
Chapter 5 - Hydraulic System in this manual).
TEC is faulty.

Toro 03721 Specifications

General

Brand	Toro
Model	03721
Category	Lawn Mower
Language	English