Craftsman 28974 Operation Manual - Page 32
Troubleshooting
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TROUBLESHOOTING CHART: See appropriate section in manual PROBLEM CAUSE unless directed to Sears service CORRECTION center Engine clicks but will not start Loss of power 1 Weak or dead battery. 2 Corroded batteryterminats. 3 Loose or damaged wiring. 4 Faul[y solenoid or starter. 1 Cutting too much grass/too fast. 2 Throttle in "CHOKE" position. t Recharge or replace battery. 2 Clean battery terminals, 3 Check aflwiring, 4 Check/replace solenoid or starter. 1 Raise cutting height/reduce speed, 2 Adjust throttle control. 3 Build-up of grass, leaves and trash under mower, 4 Dirty air filter. 3 Clean underside of mower housing. 4 Clean/replace air fitter, 5 Low oil fevel/dirty oil. 5 Check oil level/change oil, 6 Faulty spark plug. 7 Dirty fuel filter. 6 Clean and regap or change spark plug, 7 Replace fuel filter. 8 Stale or dirty fuel. 8 Empty fuel tank and refill tank with fresh, clean gasoline. 9 Water in fuel, 10 Spark plug wire loose. 9 Empty fueltank and carburetor, refill tank with fresh gasoline and replace fuel filter. 10 Connect and tighten spark plug wire, 11 Dirty engine air screen/fins, ti Clean engine air screen/fins. 12 Dirty/clogged muffler, t2 Clean/replace muffler. 13 Loose or damaged wiring. 13 Check all wiring. I4 Carburetor out of adjustment. 15 Engine valves out of adjustment. 14 See "To Adjust Carburetor" in Service and Adjustments section. 15 Contact a Sears or other qualified service center. Excessive vibration 1 Worn, bent or loose blade. 2 Bent blade mandrel. 1 Replace blade. Tighten blade bolt, 2 Contact a Sears or other 3 Loose/damaged part(s). qualified service center. 3 Tighten loose part(s). ,,, .... Replace damaged parts. ,,,, ,, ,, , ,, ,,.,,, ,, ,,,,,, , , ,,,,. ,,,,_, Engine continues to 1 run when operator leaves seat with Faulty operator-safety presence control system, 1 Check wiring, switches and connections. If not corrected, contact a Sears or other attachment clutch engaged (1) Rued (5) Re (5) 1-3t16 (1) Tul 32