82Maintenance Instructions ADJUSTMENTSADJUSTMENTSSafety SwitchesThere are three (3) safety interlock switches on thetractor; Seat Switch, FSC Neutral - Park Switch, andPTO Switch.If any of the following conditions occur during start-ing or operating, a safety interlock switch may bemalfunctioning. Contact you Walker dealer for trou-bleshooting and/or replacement.Slight adjustments can be made by carefully bend-ing the leaf switch up or down as needed.• With an operator in the seat, the engine startswith the Forward Speed Control (FSC) and/or thePTO engaged.• With an operator in the seat, the engine starts butdies soon after the Forward Speed Control (FSC) orPTO is engaged.• Without an operator on the seat, the enginestarts and continues to run with the Forward SpeedControl (FSC) and/or PTO engaged.• With an operator in the seat, the Forward SpeedControl (FSC) and PTO disengaged and panel hornworks, but the starter is not engaging.Tail Wheel Bearing PreloadPreload the tail wheel bearings by tightening the ax-le nut until the wheel begins to tighten as it turns (notspin freely), then loosen the nut 1/2 to 1 turn. Thewheel should spin freely without excessive end play.Lock the axle nut with the set screw in the nut.Steering LeversAn adjustment range of approximately 3 inches isavailable on the steering levers - the levers can beadjusted forward or aft depending on the arm lengthof the operator. The levers can be adjusted by loos-ening the locknut at the pivot point and the locknutholding the lever in position in the adjustment slide.Adjust levers into most comfortable position andtighten both locknuts.Steering Lever AdjustmentDANGERIf the engine must be running to performa maintenance adjustment, keep hands,feet, and clothing from moving parts. DONOT wear jewelry or loose clothing.AdjustmentSlideLocknut(Pivot Point)Locknut(Position)