Cub Cadet Challenger MX 550 Yellow Operation Manual - Page 12

Product Care 5 Maintenance Chart Intervals Items First 20 First 50 Every50 Every100 Every150 Every200 Every300 Every400 Every500 Every800 Every1500 Every3900 Every hours hours hours hours hours hours hours hours hours hours hours hours Year Grease utility vehicle P Clean muffler P P Clean spark arrestor P Check lug nuts P P Check battery condition P Adjust front wheel toe-in P Change oil P P Check fuel line P P Replace fuel line P Clean air filter element * P P Check brake pedal P P Adjust parking brake P P P Check brake light switch P P Check radiator hose & clamp P Replace radiator hose & clamp Check PCV Accumulator P P Check intake air line P Replace intake air line Check brake hose & pipe P P Replace brake hose & pipe Check tires P P Change axle case oil P Adjust engine valve clearance P Check fuel injection P Check injection P Change brake fluid Replace remote hydraulic hose Replace rear brake cylinder seal Replace front brake cylinder seal Flush cooling system Change engine coolant * - Perform more often in dusty conditions. Every Every 2 years 4 years P P P P P P P P P Troubleshooting 1. Engine will not start: • Battery has low voltage • Loose or corroded battery connections • Fuse is blown • Spark plug wire is loose or disconnected • Faulty spark plug or coil • No fuel or improper fuel • Plugged fuel filter • Defective starter solenoid • Open-circuit in wiring 2. Engine is difficult to start: • Engine is cold • Plugged fuel filter • Engine oil viscosity too heavy • Spark plug is fouled • Faulty spark plug or wire • Loose or corroded electrical connections • Stale or improper fuel 3. Engine misfires under load: • Faulty spark plug • Stale or dirty fuel • Plugged fuel filter • Faulty coil or wire 4. Engine does not restart when warm: • Poor quality fuel • Very hot weather conditions • Fuel tank vent plugged • Dirt in fuel filter 12