136. Connect rod to upper control bars with previouslyremoved hairpin cotter, tighten wing nut andturnbuckle.m–31031 3254Figure 51. Control rod–right2. Control bracket3. Hairpin cotter4. Wing nut5. TurnbuckleAdjusting the Tracking1. After completing assembly check machine tracking.Operate machine by holding upper control bar againstreference bar with wheel drive engaged.2. If machine does not track straight, moves more right orleft, adjustment is required.3. Loosen wing nut on right control rod and rotateturnbuckle in or out to change tracking. Secureturnbuckle in position with wing nut (Fig. 5).4. Check for proper tracking.Note: Control rods must be adjusted if handle heightposition is changed.Installing the BatteryCALIFORNIAProposition 65 WarningBattery posts, terminals, and related accessoriescontain lead and lead compounds, chemicalsknown to the State of California to cause cancerand reproductive harm. Wash hands afterhandling.Warning1. Mount battery holders to back side of left rear corner ofcutting unit carrier frame with 2 bolts (3/8 x 1-3/4 inch)and locknuts (3/8 inch) (Fig. 6).2. Peel off backing from battery pads and affix pads tobattery holder, positioning as shown in Fig. 6.3. Fill battery with electrolyte and charge, refer toServicing the Battery, page 30.21m–2635Figure 61. Battery holder 2. Battery pads4. Position battery onto holder with terminal posts awayfrom the engine (Fig. 7).5. Slide the red terminal boot onto the red battery cableand the black terminal boot onto the the black batterycable.6. Install the positive (red) battery cable to positive (+)battery terminal and the negative battery cable to thenegative (–) battery terminal. Secure cables with2 carriage bolts (1/4 x 3/4 inch) and locknuts (1/4 inch).