Relays With 5 Terminals - Toro Groundmaster Series Service Manual

Relays with 5 Terminals

g316378
1. Operator's console
2. Relay – start interlock
Groundsmaster ® 3200, 3300 and 3310
19240SL Rev A
3. Panel fastener
4. Relay – EGR valve
g316076
1. AC/Heat assembly
2. AC condenser fans relay
The Groundsmaster 3200 machine uses one relay that has 5 terminals. The
Groundsmaster 3300/3310 machines use 3 identical relays that have 5 terminals.
The relays are located in the operator's console. A tag near the wire harness
relay connector can be used to identify each relay.
Groundsmaster 3310 machines have three additional 5 terminal relays used to
control the air conditioning (AC) system located under the cab cover.
Relays with 5 terminals:
•
The start interlock relay is used to send the OK to Start signal to the engine.
For model 31900 and 31901 machines, the start interlock relay sends power
Figure 96
Figure 97
3. AC switch signal relay
4. AC clutch relay
Page 6–45 Electrical System: Testing the Electrical Components
5. Relay – start