18 SmartPilot X-5R Drive Installation and Setup Guide8. Slide the steering wheel onto the stub shaft, so that the woodruff key inserted atstep 8 engages with the keyway in the wheel.9. Place the original steering wheel washer on the shaft then secure the steeringwheel with the original wheel-securing nut.10. Replace the wheel hub cover.Fitting to 1 inch steering shaftTo fit the Drive Pilot drive to a 1 inch steering shaft, refer to the illustration above and:1. Insert the smaller of the two woodruff keys supplied into the keyway on thesteering shaft. If necessary, use a small hammer to lightly tap the key into position2. Slide the SPX-5R Drive onto the steering shaft so that the woodruff key inserted atstep 1 engages with the keyway in the drive.Note: You MUST USE the nyloc nut supplied with the Drive to secure the drive assembly to theshaft.3. Place the 5/8 inch seal washer (supplied) on the shaft so that the seal side istowards the Drive.4. Use the supplied box spanner to secure the drive unit with the 5/ 8 inch nylock nutsupplied.5. With the steering still hard over to starboard, tighten the drive unit securing nut to22 pound feet (30 Newton metres).6. Offer up the stub shaft to the drive unit, ensuring the alignment marks on the stubshaft and drive unit are aligned. Secure the stub shaft to the drive with the fourWoodruffkey (small)Woodruffkey(large)AlignmentmarkAlignmentmarkScrewWasherSealwasherDrive unitTaperadaptorStubshaftNylocnut(small)Nyloc nut(large)1" shaftD10670-21 inch shaft fitting