TUBE AS 2520331 - Caterpillar

Illustration 1 g00857198
SchematicTest Step 1. Check for Connector Damage
Turn the keyswitch to the OFF/RESET position.
Check the connectors and wiring for the following problems: damage, corrosion, abrasion and incorrect attachment.Expected Result:The connectors and wiring should be free of the following problems: damage, corrosion, abrasion and incorrect attachment.Results:
OK - Proceed to Test Step 2.
Not OK - Repair: Repair the connectors or wiring and/or replace the connectors or wiring.Verify that the repair eliminates the problem.STOPTest Step 2. Check the Switch Status on ET
Connect ET to the service tool connector.
Turn the keyswitch to the ON position.
Operate the ground level shutdown switch. Observe the status for the ground level shutdown switch on ET.Expected Result:The status of the switch should be "ON" with the switch in the SHUTDOWN position. The status should be "OFF" when the switch is in the RUN position.Results:
OK - The switch is operating normally.Repair: If an intermittent problem is suspected, refer to Troubleshooting, "Electrical Connectors - Inspect".STOP
Not OK - Proceed to Test Step 3.Test Step 3. Short the Wires at the Switch
Disconnect the J700/P700 ground level shutdown switch.
Use a suitable piece of wire to short P700:B (Switch Return) and P700:C (Ground Level Shutdown (NC)).
Turn the keyswitch to the OFF/RESET position.
Turn the keyswitch to the ON position.
Observe the status of the ground level shutdown switch on ET.Note: The status should be "ON".
Remove the jumper wire from the connector.
Install the jumper wire between P700:B (Switch Return) and