Chapter 320 Willmar Eagle 8500 AutoBoom Installation ManualFIGURE 14. Gauge Wheel Installed1. Remove the nuts from the left wheel axle.2. Place the wheel (P/N 322-0131-008) on the left wheel axle.3. Reinstall the lug nuts on the wheel axle to secure the wheel.4. Secure the left wheel mounting bracket (P/N 116-0159-532) to the front of the second left boom using four1-3/8” W x 2-1/2” L x 5/16” thread U-bolts (P/N 321-0000-330), one 3/8”-16 x 3” hex bolt (P/N 311-0054-113), and one 3/8”-16 zinc flanged lock nut (P/N 312-1001-164).5. Insert the left wheel axle into the left wheel mounting bracket, positioning it so that the bottom of the wheeltouches the ground (or nearly so) and the wheel faces away from the machine..6. Secure the gauge wheel assembly in the wheel mounting bracket by installing two 1/2”-13 x 1-1/2” SS hexbolts (P/N 311-0058-186) and two 1/2” zinc hex nuts (P/N 312-1001-043).7. Repeat the steps above to install the right wheel.Install the PowerGlide WiringWiring ConnectionsFor wiring connections made outside the cab, apply dielectric silicone grease (P/N 222-0000-006) generouslyon both the male and female ends of the connectors. Application of the grease will prevent corrosion to thepins and wires.Connect the Harness to the Boom Function Controls1. On the harness cable, locate the Left Solenoid connector and connect it to Port 4A on the AutoBoom valve.2. Connect the Right Solenoid connector to Port 4B on the AutoBoom valve.CAUTIONAlways connect the power cable as the laststep in the wiring process and verify that thepower leads are connected with the correctpolarity. Reversing power leads can causesevere damage to the equipment.