Craftsman 247.77003 Operator's Manual

Contents

15SERVICE AND MAINTENANCEWARNINGBefore performing any type of maintenance/service, disengage all controlsand stop the engine. Wait until all moving parts have come to a completestop. Disconnect spark plug wire and ground it against the engine toprevent unintended starting. Always wear safety glasses during operationor while performing any adjustments or repairs.Follow the maintenance schedule given below. This chart describes serviceguidelines only. Use the Service Log column to keep track of completedmaintenance tasks. To schedule service by an authorized dealer, call Craftsman at1-888-331-4569.MAINTENANCE SCHEDULEInterval Item Service Service LogEach Use and every 5 hours 1. Engine oil level2. Loose or missing hardware3. Unit and engine.1. Check2. Tighten or replace3. Clean1st 5 hours 1. Engine oil 1. ChangeAnnually or 25 hours 1. Air filter2. Control linkages, pivots, & wheels3. Underside of deck1. Clean2. Lube with light oil3. CleanAnnually or 50 hours 1. Engine oil 1. ChangeAnnually 1. Spark plug2. Air Filter1. Replace2. ReplaceBefore Storage 1. Fuel system 1. Run engine until it stops from lack of fuel, oradd stabilizer to a full tank of fresh fuel priorto storage.† Clean more often under dusty conditions or when airborne debris is present.WARNINGAlways stop engine and disconnect spark plug wire before performing anymaintenance or adjustments. Always wear safety glasses during operationor while performing any adjustments or repairs.General Recommendations• Always observe safety rules when performing any maintenance.• The warranty on this yard vacuum does not cover items that have beensubjected to operator abuse or negligence. To receive full value fromwarranty, operator must maintain the equipment as instructed here.• Some adjustments will have to be made periodically to maintain your unitproperly.• Periodically check all fasteners and make sure these are tight.Engine MaintenanceSpark PlugClean spark plug and reset the electrode gap to 0.020” at least once a season;replace annually.1. Disconnect the cap from the spark plug, and remove any dirt from the sparkplug area.2. Use the proper size spark plug wrench to remove the spark plug.3. Check the gap with a wire gauge. See Figure 20. Spark plug gap should be0.020 in (0.51 mm). If necessary, reset the gap.Electrode0.020 in. (.51mm)Figure 204. Install and tighten the spark plug to the recommended torque (180 lb-in [20Nm]).5. Attach the spark plug cap to the spark plug.