Section Title Page
8b. FLOAT TYPE CARBURETOR (EH12-2D)............................................................. 53
8b-1 OPERATION AND CONSTRUCTION ..........................................................................53
8b-2 DISASSEMBLY AND REASSEMBLY...........................................................................54
8c. DIAPHRAGM TYPE CARBURETOR (OPTION) ................................................... 56
8c-1 OPERATION AND CONSTRUCTION ..........................................................................56
8c-2 DISASSEMBLY PROCEDURE ....................................................................................59
8c-3 INSPECTION PROCEDURE ......................................................................................59
8c-4 REASSEMBLY PROCEDURE .....................................................................................60
8c-5 DIAPHRAGM CARBURETOR ADJUSTMENT METHOD............................................61
9. STARTING SYSTEM.................................................................................................62
9-1 RECOIL STARTER ........................................................................................................62
10. TROUBLESHOOTING ........................................................................................... 66
10-1 STARTING DIFFICULTIES ..........................................................................................66
10-2 ENGINE MISFIRE........................................................................................................67
10-3 ENGINE STOPS ..........................................................................................................67
10-4 ENGINE OVERHEAT...................................................................................................68
10-5 ENGINE KNOCKS .......................................................................................................68
10-6 ENGINE BACKFIRES THROUGH CARBURETOR.....................................................68
11. INSTALLATION ..................................................................................................... 69
11-1 INSTALLING.................................................................................................................69
11-2 VENTILATION ..............................................................................................................69
11-3 EXHAUST GAS DISCHARGE .....................................................................................69
11-4 POWER TRANSMISSION TO DRIVEN MACHINES ...................................................69
12. SERVICE DATA...................................................................................................... 70
12-1 CLEARANCE DATA AND LIMITS ................................................................................70
12-2 TORQUE SPECIFICATIONS .......................................................................................76
12-3 OIL GRADE CHART ....................................................................................................76
13. MAINTENANCE AND STORAGE.......................................................................... 77
13-1 DAILY MAINTENANCE................................................................................................77
13-2 INITIAL 20 HRS. MAINTENANCE ...............................................................................77
13-3 EVERY 50 HRS. (10 DAYS) MAINTENANCE .............................................................77
13-4 EVERY 100-200 HRS. (MONTHLY) MAINTENANCE .................................................78
13-5 EVERY 300 HRS. or YEARLY MAINTENANCE ..........................................................78
13-6 EVERY 500-600 HRS. MAINTENANCE ......................................................................78
13-7 EVERY 1000 HRS. (YEARLY) MAINTENANCE ..........................................................78
13-8 ENGINE STORAGE.....................................................................................................78