Pto Switch Replacement - Toro Z MASTER 4000 Series Service Manual

Park Brake Switch Installation
Park Brake Switch Test

PTO Switch Replacement

PTO Switch Removal
PTO Switch Installation
PTO Switch Test
Electrical: Service and Repairs
1. Install the park brake switch to the park brake switch bracket.
2. Install the park brake switch bracket into the chassis and connect.
3. Install the 2 (5/16 inch) screws securing the park brake switch bracket to
the chassis.
4. Install the 2 (5/16 inch) screws securing the park brake switch bracket to
the chassis.
The parking brake switch is a single pole plunger type switch (normally open)
with two terminals. When the plunger is depressed (parking brake ON), the
circuit closes and there is continuity between the terminals. This allows battery
voltage to flow to the rest of the safety interlock system.
Parking brake ON, the switch should have continuity (closed).
Parking brake OFF, the switch should NOT have continuity (open).
1. Park the machine on a level surface and disengage the PTO. Stop the
engine, wait for all moving parts to stop and remove the key. Engage the
parking brake.
2. Disconnect the battery by removing the negative cable first, then the positive
cable from the battery.
3. Remove the 4 (1/4-20 inch) torx screws securing the RH side pod to the RH
console. Remove the RH side pod from the RH console.
4. Disconnect the wiring harness from the PTO switch.
5. Pinch together the 2 tabs on the PTO switch. Pushing from the bottom side
up, remove the PTO switch from the RH side pod.
1. Install the PTO switch to the RH side pod.
2. Connect the wiring harness to the PTO switch.
3. Install the RH side pod to the RH console. Install the 4 (1/4-20 inch) torx
screws securing the RH side pod to the RH console.
4. Connect the battery by installing the positive cable first, then the negative
cable to the battery.
1. Remove and disconnect the PTO switch.
2. With the switch in the "ON" position
Page 8–8 4000 Series Z MASTER® Service Manual
3442-427 Rev A