Repair manual

Troubleshooting the Vibration System RD 27
wc_tx000953gb.fm 72
5.5 Checking the Neutral Relay
Prerequisites
Multimeter
Functioning starter relay 2
Procedure
Follow the procedure below to check the neutral relay.
1. Place the FWD/REV control in the NEUTRAL position.
2. Remove the control panel cover.
3. Locate the neutral relay (a) and disconnect the connector.
4. With the starter key in the START position, measure the voltage between wire
125-OR-16 at the connector and ground.
Is approximately 12VDC measured?
5. With the starter key in the START position, measure the voltage across connec-
tor wires 374-PK-16 and 720-BU-16.
Is approximately 12VDC measured?
6. Reconnect the connector.
7. With the start switch in the START position, measure the voltage between wire
307-OR-16 and ground.
Is approximately 12VDC measured?
Result
The neutral relay has now been checked.
If the problem has not been resolved, continue with the next topic.
Yes ____ No ____
Continue. Check condition/continuity of wire 125-OR-16.
Yes ____ No ____
Continue. Check condition/continuity of the wires to the connector.
Yes ____ No ____
The neutral relay is OK. The neutral relay has failed; replace it.