Toro Groundsmaster 7210, Руководство по обслуживанию

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General Run and Transport Problems (continued)
The engine shuts off during the operation
(the operator sitting on the seat). • The operator is not in the center of the
seat (the seat switch is not pressed).
• The engine temperature is excessive
(above 115°C/240°F).
• The engine dual temperature switch
is damaged.
• The machine is operated on
a slope with a low fuel level.
• The parking brake is engaged or
the parking brake sensor is damaged.
• The seat switch is damaged.
• The fuses F1, F3, and/or F4 are/is damaged.
• The fuel pump is damaged.
The battery does not charge. • A loose, corroded, or broken wire(s) exist
in the charging circuit; refer to the Electrical
Schematics in Appendix A—Foldout Drawings.
• The engine alternator belt is loose
or damaged.
• The alternator is damaged.
• The battery is damaged.
• The fusible link harness at the
engine starter motor is damaged.
Cutting Deck Operating Problems
Note: To engage the mow circuit, the operator must be in the operator seat,
the PTO switch must be on.
Problem Possible Causes
The cutting deck remains engaged, but should not,
with no operator in the seat. • The seat switch or circuit wiring is damaged.
• A hydraulic problem in the mow circuit exists;
refer to
Chapter 4: Hydraulic System (page 4–1) .
The cutting deck run, but should not, with the
PTO switch in the O
FF
(disengage) position.
• The PTO switch or circuit wiring is damaged.
• A hydraulic problem in the mow circuit exists;
refer to
Chapter 4: Hydraulic System (page 4–1) .
The cutting deck does not operate with the PTO
switch in the O
N
(up) position.
• The operator seat is unoccupied.
• The hydraulic-fluid level in the hydraulic tank is low.
• The seat switch or circuit wiring is damaged.
• The wiring to the transmission PTO solenoid valve
coil is loose, corroded, or damaged; refer to the
Electrical Schematics in Appendix A—Foldout Drawings.
• The transmission PTO solenoid valve coil is damaged.
• The PTO switch is damaged.
• The engine temperature is excessive (above 105°C/220°F).
• The dual temperature switch or circuit wiring is damaged.
• The Standard Control Module is damaged.
• The transmission hydraulic solenoid valve is damaged;
refer to
Chapter 4: Hydraulic System (page 4–1) .
• The PTO clutch in the transmission is worn or damaged;
refer to
Chapter 4: Hydraulic System (page 4–1) .
• The transmission pressure valve or charge pump is
damaged; refer to
Chapter 4: Hydraulic System (page 4–1) .
Electrical System: Troubleshooting Page 5–18 Groundsmaster 7210
16222SL Rev C