Toro 3100 General Safety Interlock Switch Service, Seat Switch Replacement and Adjustment Fig

Repairs

General Safety Interlock Switch Service

The following procedures should be followed whenever a switch requires adjustment or replacement:

1.Be sure rubber boot is reinstalled in both switch grooves on the button end of seat switch after it is properly adjusted.

IMPORTANT: Rubber boot on button end must be in place to make sure all dirt, moisture and grease are kept from the plunger sides.

2.Spread Skin-Over grease heavily over the terminal end and inside the terminal cover of all switches before installing the connectors and terminal cover. Be sure the wires are fully connected.

3.Make sure terminal cover is fully installed over end of switch.

Seat Switch Replacement and Adjustment (Fig. 15)

1.Pivot seat forward and block or tie it securely to prevent it from falling accidentally and possibly causing injury.

2.Remove boot from button end of seat switch and retain for installation on replacement switch. Pull con- nectors off switch terminals.

3.Loosen the jam nut and unscrew the switch from mounting bracket.

4.Screw new switch through mounting bracket until switch button is about 1/16 inch (1.6 mm) shorter than the top of the seat return spring pin. Install the boot into the mount grooves.

5.Carefully release the seat to its normally down posi- tion, but do not sit or apply force on the seat. There should be a slight gap between the switch and the seat plate.

9.Fill terminal end of switch and wiring harness cover with skin-over grease and push connectors onto switch terminals. Be sure connectors are fully connected and slide cover over bottom of switch body.

1

Figure 15

1. Seat switch

6.Make sure switch terminals face front of machine and lock switch in place by tightening the jam nut to 75 in.-lb (8.5 Nm) against the mounting bracket.

IMPORTANT: Switch threads will be damaged if the jam nut is over-tightened.

7.Connect continuity tester of ohm meter to switch terminals. With seat in the down position and no one on the seat, the switch circuit should not have continuity. If there is continuity, repeat steps 4-6. If there is no conti- nuity, proceed to

8.Sit on the seat. The seat switch should have continu- ity. If there is no continuity, repeat steps 4-7. If there is continuity proceed to step 9.

Greensmaster® 3100 Page 5 - 13 Repairs