Service Bulletin

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Customer Bulletin
Commercial Products
Rotaries #16-19
Ignition Switch Malfunction Causes Multiple Symptoms
Product: Groundsmaster
®
360 April 27, 2012
(Revised- new part number)
Affected Units: Models:
30534
30535
30536
30537
30538
30539
30540
30541
30542
31222
31223
Serial Numbers:
311000101-312000127
311000101-312000110
311000101-312000110
311000101-312000140
311000101-312000406
311000101-312000155
311000101-312000112
311000101-312000401
311000101-312000122
312000101-312000108
312000101-312000110
Situation:
Several electrical issues have been found to be caused by malfunction of factory-
installed Ignition Switch ASM, including:
 Constant or intermittent failure of factory-installed Ignition Switch ASM
 Unintentional engagement of the engine starter or starter overheat/failure
while key switch is in the Run position
 Intermittent flickering of glow plug and/or diagnostic lights
 Failure of Stop Solenoid
 Damage/overheating of Wire Harness
Corrective Action:
If any of the above referenced conditions are experienced, the factory-installed
Ignition Switch Assembly must be replaced with updated Ignition Switch ASM
(121-5357) to correct the issue.
Please contact your local Toro Commercial Products Distributor to obtain Ignition Switch
(121-5357) and to learn more about this issue and its resolution. Reference Toro Commercial
Product Service Bulletin Rotaries #16-19 when making your inquiry.