73Maintenance Instructions ADJUSTMENTSADJUSTMENTSSafety SwitchesThere are three (3) safety interlock switches on thetractor. Use the panel nuts on the switch body to po-sition the switch for proper activation of the switch.The adjustment procedure for each switch is:Seat SwitchAdjust switch position in body panel to achieve a1/32 to 1/16 in. (.79 mm to 1.59 mm) air gap betweenthe switch plunger and seat frame with no weight onthe seat. Test for proper operation.FSC Neutral-Park Switch1. Place the FSC in NEUTRAL-PARK position.2. Adjust switch to the point where the starter en-gages when the ignition switch is turned to thestart position.3. Adjust switch position forward an additional 1/2to 1 turn of the panel nuts.NOTE: If the switch cannot be adjusted forwardenough to achieve proper function, it may benecessary to bend the switch mounting bracketslightly.PTO SwitchWith the PTO engaged, adjust switch to achieve a1/64 to 1/32 in. (.40 mm to .79 mm) gap (plunger ex-tension) between the switch body and the actuatorplate.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.DANGERIf the engine must be running to performa maintenance adjustment, keep hands,feet, and clothing from moving parts. DONOT wear jewelry or loose clothing.
