GENERAL INFORMATION Tune-Up Procedure TUNE-UP PROCEDURE A  “Tune-Up”,  see  the  steps  listed  below,  would  normally  be  performed  on  relatively  new  engines  brought  in  for  minor difficulties.  By performing these steps you will either be sure that the engine is functioning properly or will know what major repairs should be made. The steps are also covered in the Overhaul Procedure and will normally be performed as a part of the complete overhaul. STEP NO. 1. Remove air cleaner, check for proper servicing . 2. Check oil level and drain.  (Clean fuel tank and lines if separate from carburetor). 3. Remove   blower   housing,   inspect   rope   and rewind assembly and starter clutch. 4. Clean  cooling  fins  and  entire  engine.    Rock flywheel to check compression . 5. Remove  carburetor,  disassemble  and  inspect for wear or damage.  Wash in solvent, replace parts  as  necessary  and  assemble.    Set  initial adjustment . 6. Inspect   crossover   tube   or   intake   elbow   for damaged gaskets . 7. Check  governor  blade,  linkage  and  spring  for damage   or   wear,   if   mechanical   also   check adjustment . 8. Remove flywheel, check for seal leakage, both flywheel and PTO sides.  Check flywheel key. 9. Remove  breaker  cover  and  check  for  proper sealing. STEP NO. 10. Inspect breaker points and condenser. Replace or clean and adjust.  Check plunger . 11. Check    coil,    inspect    all    wires    for    breaks, damaged insulation.  Be sure lead wires do not touch flywheel.  Check stop switch and lead. 12. Replace   breaker   cover,   use   sealer   where wires enter. 13. Install flywheel, time engine if necessary.  Set air gap.  Check for spark with #19051 tester. 14. Remove cylinder head, check gasket, remove spark  plug,  and  clean  carbon,  inspect  valves for seating . 15. Replace   cylinder   head,   torque   to   specified torque,  set  spark  plug  gap  or  replace  plug  if necessary . 16. Replace    oil    and    fuel,    check    muffler    for restrictions or damage . 17. Adjust   remote   control   linkage   and   cable   if used, for correct operation . 18. Service    air    cleaner,    check    gaskets    and element for damage . 19. Run and adjust mixture and top speed. 3 1