Briggs & Stratton MS-0750 User Manual

Vanguard
TM
Twin-Cylinder OHV Liquid-Cooled Engine
Table Of Contents
Page 1
MODEL 473100
2 CYLINDER LIQUID COOLED ENGINE
COMMERCIAL POWER ......................................... 1
SAFETY INFORMATION ....................................... 2
IN THE INTEREST OF SAFETY...................... 2
SECTION 1
GENERAL INFORMATION .................................... 3
ENGINE IDENTIFICATION .............................. 4
MAINTENANCE SCHEDULE ........................... 5
FUEL AND OIL RECOMENDATIONS .............. 6
CHANGING OIL AND OIL FILTER................... 7
CHANGE COOLANT ........................................ 7
CLEANING DEBRIS ......................................... 8
ADJUST FAN BELT ......................................... 8
AIR CLEANER MAINTENANCE ...................... 8
REPLACE SPARK PLUG ................................. 9
SECTION 2
TROUBLESHOOTING ......................................... 11
GENERAL INFORMATION ............................ 11
WILL NOT START .......................................... 11
STARTER CURRENT DRAW TEST .............. 12
NO LOAD
STARTER CURRENT DRAW TEST .............. 13
CHECK CARBURETION ................................ 16
FUEL SHUT-OFF SOLENOID ........................ 16
FUEL PUMP - GENERAL INFORMATION .... 17
CYLINDER BALANCE TEST ......................... 18
CYLINDER LEAKDOWN TEST ...................... 19
CHECKING COOLING SYSTEM ................... 21
CHECK OIL PRESSURE SWITCH ................ 22
CHECK OIL PRESSURE ............................... 23
CHARGING SYSTEM .....................................23
BATTERY INFORMATION .............................25
EQUIPMENT
AFFECTING ENGINE OPERATION ...............26
SECTION 3
ENGINE DISASSEMBLY ......................................27
GENERAL INFORMATION .............................27
REMOVE MUFFLER .......................................27
REMOVE RADIATOR .....................................27
DISCONNECT FUEL LINES ...........................28
REMOVE FAN ASSEMBLY ............................28
REMOVE CARBURETOR ..............................29
REMOVE STARTER .......................................30
REMOVE INTAKE MANIFOLD .......................31
REMOVE ALTERNATOR ...............................32
REMOVE CYLINDER HEADS ........................32
REMOVE CRANKCASE COVER ...................33
REMOVE CAMSHAFT ....................................34
REMOVE PISTONS, RODS, CRANKSHAFT .34
SECTION 4
ENGINE OVERHAUL ............................................35
CHECK CYLINDER ........................................35
BEARINGS ......................................................37
CRANKSHAFT ................................................38
PISTON, RINGS AND CONNECTING ROD
DISASSEMBLY AND INSPECTION ...............38
CYLINDER HEAD
INSPECTION AND REPAIR ...........................41
OIL PUMP .......................................................44
REPLACING WATER PUMP SEAL ................45
REPLACING STARTER SOLENOID ..............46

Briggs & Stratton MS-0750 Specifications

General

Brand	Briggs & Stratton
Model	MS-0750
Category	Engine
Language	English