Toro Groundsmaster 300 Series Service Manual page 162

Operation Problems (continued)
Condition
________________________________________________________________________________________________________________________________________________________
Engine continues to run (but
should not) when PTO is ON with
no operator on the seat.
________________________________________________________________________________________________________________________________________________________
Engine continues to run (but
should not) when ignition switch
is turned off.
Troubleshooting
(Groundsmaster 322-D/325-D)
Possible Cause
Seat switch plunger depressed
with no operator on seat.
Seat switch faulty or out of
adjustment.
Engine will not restart after manual
shut-down.
10 AMP fuse open.
Faulty wiring between ammeter
and control unit.
Ignition switch faulty.
Faulty wiring between ignition
switch and control unit.
Fuel shut-off solenoid faulty.
Fuel shut-off solenoid wiring faulty.
Control unit faulty.
Page 6 - 16
Correction
Check for seat support spring
that is broken, missing or stuck in
down position.
Check for binding seat pivot
hinge.
Check for waterlogged seat.
Test seat switch. Adjust or
replace if faulty.
See listings under Starting
Problems.
Replace fuse. Correct cause of
blown fuse.
Repair wiring.
Test ignition switch and replace if
faulty.
Repair wiring.
Test fuel shut-ff solenoid. Adjust
or replace fuel shut-off solenoid if
faulty.
Repair wiring.
Test control unit and replace if
faulty.
®
Groundsmaster 300 Series