Groundsmaster 4300--DPage 5 -- 18Electrical System
Check Operation of Interlock Switches
CAUTION
The interlock switches are for the protection of
the operator and bystanders and to ensure cor-
rect operation of the machine. Do not bypass or
disconnect switches. Check the operation of the
interlockswitchesdaily for proper operation. Re-
place any malfunctioning switches before oper-
ating the machine.
Interlock s witch operation is described in the Traction
Unit Operator’s Manual. Your Groundsmaster is
equipped with a TEC controller which monitors interlock
switch operation. Information on the controller is de-
scribed in the Traction Unit Operator’s Manual and in the
Component Testing section of this Chapter.
The interlock system used on your Groundsmaster in-
cludes the seat switch, the traction neutral switch, the
parking brake switch, the mow/transport switch and the
PTOswitch. Testing of individual interlock switches isin-
cluded in the Component Testing section of this Chap-
ter.
NOTE: Use the Diagnostic Display (see Special Tools
in this chapter) to test TEC controller inputs and outputs
before further troubleshooting of an electrical problem
on your Groundsmaster.
