2
Contents
SERVICE
SAFETY INFORMATION ...................................................................................... 3
DEFINITIONS: SAFETY GUIDELINES ............................................................... 3
SERVICE INFORMATION .................................................................................... 3
SERIAL NUMBER ................................................................................................ 3
SPECIFICATIONS......................................................................................................... 4-6
DIMENSIONAL DRAWINGS......................................................................................... 7-9
P.T.O. DIMENSIONAL DRAWINGS............................................................................... 10
WIRING DIAGRAMS...................................................................................................... 11
MAINTENANCE STANDARDS.................................................................................12-13
TORQUE TABLE ............................................................................................................ 13
MAINTENANCE
MAINTENANCE CHART .................................................................................... 14
CLEANING AIR FLITER ELEMENT................................................................... 14
OIL .............................................................................................................. 14
SPARK PLUG ..................................................................................................... 15
SPARK ARRESTER ........................................................................................... 15
VALVE CLEARANCE.......................................................................................... 15
FUEL SYSTEM................................................................................................... 16
HIGH ALTITUDE OPERATION SERVICE .......................................................... 16
TROUBLESHOOTING
ENGINE .............................................................................................................. 17
STARTER/BATTERY........................................................................................... 19
COMPRESSION................................................................................................. 20
PERFORM TEST CHECKS
SPEED/GOVERNOR ADJUSTMENT................................................................. 21
IGNITION TEST.................................................................................................. 21
OIL ALERT TEST ............................................................................................... 21
START MECHANISM.......................................................................................... 21
COMPRESSION TEST....................................................................................... 22
BREAKDOWNS
AIR FILTER......................................................................................................... 23
AIR CLEANER.................................................................................................... 24
MUFFLER...................................................................................................... 25-27
RECOIL STARTER ............................................................................................. 28
ASSEMBLY .................................................................................................. 29
INSPECTION ............................................................................................... 30
CARBURETOR.............................................................................................. 31-33
CLEANING................................................................................................... 34
GAS TANK .......................................................................................................... 35
GOVERNOR LINKAGE....................................................................................... 36
GOVERNOR ....................................................................................................... 37
FLYWHEEL IGNITION........................................................................................ 38
ADJUSTMENT............................................................................................. 39
INSPECTION ............................................................................................... 39
STARTER MOTOR ..................................................................................................... 40
STARTER SOLENOID ........................................................................................ 41
BRUSH LENGTH................................................................................................ 41
ARMATURE ........................................................................................................ 41
BRUSHES - CONTINUITY CHECK.................................................................... 41
OVERRUNNING CLUTCH.................................................................................. 41
CYLINDER HEAD VALVES
6.5 HORSEPOWER............................................................................................ 42
9 AND 13 HORSEPOWER................................................................................. 43
INSPECTION ..........................................................................................44-46
GOVERNOR/LOW OIL SHUT-OFF ............................................................................ 47
COMPRESSION RELIEF ................................................................................... 48
INSPECTION...................................................................................................... 48
PISTON .............................................................................................................. 49
INSPECTION................................................................................................. 50-52
