5Manual No. 016-0230-096 57ULTRAGLIDEunfolding the booms. The wheels should be mounted outside of the boom fold, but inside of the boombreakaway.MOUNT THE GAUGE WHEELSNOTE: The appearance of the wheel axles may vary.FIGURE 11. Gauge Wheel Installed1. Remove the lug nuts from the wheel axle (P/N 063-0131-590).2. Place the wheel (P/N 322-0131-008) on the wheel axle.3. Align and place the hub retainer bracket (P/N 107-0171-617) over the wheel4. Reinstall the lug nuts on the wheel axle to secure the wheel and hub retainer bracket.5. Mount the receiver bracket (P/N 116-0159-537) to the front of the left boom over the fold cylinder guide tubeusing two 5-1/16” W x 6” L x 7/16” thread U-bolts (P/N 107-0171-603) and four 7/16”-16 zinc flanged lock nuts(P/N 312-1001-165).6. Insert the wheel axle into the receiver bracket, positioning it so that the bottom of the wheel touches theground (or nearly so) and the wheel faces away from the machine.7. Secure the gauge wheel assembly in the wheel mounting bracket by installing two 1/2”-13 x 1-1/2” SS hex bolts(P/N 311-0058-186) and two 1/2”-13 zinc hex nuts (P/N 312-1001-043).8. Repeat the steps above to install the right wheel.WARNINGThe machine must remain stationary andswitched off, with the booms unfolded andsupported, during installation or maintenance.