Service and Repair Manual November 2020Manifolds68 Z®-45 XC™ • Z®-45 HF Part No. 1268197GTHow to Set U p the Direc tional Val ve Li nkageHow to Set Up the DirectionalValve LinkageNote: Adjustment of the oscillate directional valvelinkage is only necessary when the linkage orvalve has been replaced.1 Lower the boom to the stowed position.2 Use a "bubble type" level to be sure the flooris completely level.Tip-over hazard. Failure toperform this procedure on alevel floor could compromise thestability of the machine resultingin the machine tipping over.3 Check the tire pressure in all four tires andadd air if needed to meet specification.Note: The tires on some machines are foam-filledand do not need air added to them.4 Remove the drive chassis cover and the non-steer axle covers.5 Place a "bubble type" level across the drivechassis non-steer end. Check to be sure thedrive chassis is completely level.6 Remove the ball joint retaining fastener fromthe bracket.7 To level the drive chassis, start the engineand push up or pull down on the threaded roduntil the machine is completely level.8 Verify that the ground and drive chassis arecompletely level.9 Adjust the ball joint until the hole lines up withthe retaining fastener hole in the bracket.10 Install the ball joint to the axle and tighten thejam nut.11 Check to be sure the drive chassis iscompletely level.12 Measure the distance between the drivechassis and the non-steer axle on both sides(from the inside of the drive chassis).Note: If the distance is not equal and theadjustment to the linkage was completed with theground and drive chassis level, repeat steps6 through 11 OR consult Genie Product Support.