HOSE AS 1765751 - Caterpillar

Step 1. CHECK FOR PROPER OPERATION
Occupy the seat.
Place the armrest in the DOWN position.
Turn the key start switch to the ON position.
Place the hydraulic lockout switch in the OFF position.
Shut the door.
Press and release the parking brake switch.Expected Result:The work tool should function.Results:
OK - The work tool is functioning. Proceed to Test Step 2.
NOT OK - The work tool does not function and the parking brake indicator is off. Proceed to Test Step 5.
NOT OK - The work tool does not function and the parking brake indicator is on.Repair: See Troubleshooting, "Switch (Parking Brake)".STOP
NOT OK - The work tool does not function and the parking brake indicator is flashing.Repair: See Troubleshooting, "Parking Brake Indicator Is Flashing ".STOPTest Step 2. CHECK FOR PROPER OPERATION
Press and release the hydraulic lockout switch.Expected Result:The work tool should not function.Results:
OK - The work tool does not function.Repair: There is no problem at this time.STOP
NOT OK - The work tool is functioning. Proceed to Test Step 3.Test Step 3. CHECK THE CIRCUIT FOR THE HYDRAULIC LOCKOUT SWITCH
Place the hydraulic lockout switch in the ON position.
Turn the key start switch to the OFF position.Note: Ensure that the door to the cab is closed. This will complete the circuit from the door switch to the hydraulic lockout switch. If the door is NOT mounted to the machine, ensure that the jumper is installed in the circuit.
Raise the cab. See Operation and Maintenance Manual, "Cab Tilting".
Locate the interlock ECM.