Vanguard OHV V-Twin manuals

Vanguard OHV V-Twin Repair Manual (85 pages)

Brand: Vanguard | Category: Engine | Size: 7.49 MB |

English

Table of contents

Vanguard Twin Cylinder

1

OHV Liquid-Cooled Engines

1

MODEL 473100

2

COMMERCIAL POWER

2

SAFETY INFORMATION

3

Table Of Contents

6

SECTION 1 GENERAL INFORMATION

8

ENGINE IDENTIFICATION

9

MAINTENANCE SCHEDULE

10

FUEL AND OIL RECOMENDATIONS

11

CHANGING OIL AND OIL FILTER

12

CHANGE COOLANT

12

CLEANING DEBRIS

13

ADJUST FAN BELT

13

AIR CLEANER MAINTENANCE

13

REPLACE SPARK PLUG

14

Vanguard

15

SECTION 2

16

TROUBLESHOOTING

16

STARTER CURRENT DRAW TEST

17

NO LOAD STARTER CURRENT DRAW

18

CHECK CARBURETION

21

FUEL SHUT-OFF SOLENOID

21

CYLINDER BALANCE TEST

23

CYLINDER LEAKDOWN TEST

24

CHECKING COOLING SYSTEM

26

CHECK OIL PRESSURE SWITCH

27

CHECK OIL PRESSURE

28

CHARGING SYSTEM

28

BATTERY INFORMATION

30

EQUIPMENT AFFECTING ENGINE

31

OPERATION

31

SECTION 3

32

ENGINE DISASSEMBLY

32

DISCONNECT FUEL LINES

33

REMOVE FAN ASSEMBLY

33

REMOVE CARBURETOR

34

REMOVE STARTER

35

REMOVE INTAKE MANIFOLD

36

REMOVE ALTERNATOR

37

REMOVE CYLINDER HEADS

37

REMOVE CRANKCASE COVER

38

REMOVE CAMSHAFT

39

REMOVE PISTONS, RODS

39

CRANKSHAFT

39

SECTION 4

40

ENGINE OVERHAUL

40

Section 4 - Engine Overhaul

41

BEARINGS

42

DISASSEMBLY AND INSPECTION

43

TOOL #19340

44

NEW PISTON RING

44

CRANKPIN BEARING

45

PISTON PIN BEARING

45

CYLINDER HEAD INSPECTION AND

46

OIL PUMP

49

REPLACING WATER PUMP SEAL

50

REPLACING STARTER SOLENOID

51

Fig. 102

52

Fig. 103

52

Fig. 104

52

Fig. 105

53

Fig. 106

53

Fig. 107

53

Fig. 108

53

Fig. 109

54

Fig. 110

54

Fig. 111

54

Fig. 112

54

Fig. 113

55

Fig. 114

55

Fig. 115

55

Fig. 116

55

CARBURETOR INSPECTION AND

56

Fig. 121

57

Fig. 122

57

Fig. 123

57

Fig. 124

57

Fig. 125

58

Fig. 126

58

Fig. 127

58

Fig. 128

59

Fig. 129

59

Fig. 130

59

Fig. 131

59

Fig. 132

60

Fig. 133

60

Fig. 134

60

Fig. 135

60

SECTION 5

62

ENGINE ASSEMBLY

62

Fig. 140

63

Fig. 141

63

Fig. 142

63

INSTALL CAMSHAFT

64

INSTALL GOVERNOR GEAR

64

INSTALL CRANKCASE COVER

64

INSTALL STARTER

65

INSTALL ALTERNATOR

65

INSTALL ROCKER ARMS

66

INSTALL FLYWHEEL

66

INSTALL CYLINDER HEADS

66

ADJUST VALVE CLEARANCE

67

INSTALL ARMATURES

67

INSTALL FAN ASSEMBLY

68

INSTALL INTAKE MANIFOLD

69

ELBOW ASSEMBLY

69

Fig. 164

70

Fig. 165

70

Fig. 166

70

Fig. 167

70

ADJUST GOVERNOR

71

INSTALL MUFFLER

71

INSTALL RADIATOR

72

INSTALL AIR CLEANER ASSEMBLY

72

Fig. 176

73

Fig. 177

73

Fig. 178

73

Fig. 179

73

Fig. 180

74

Section 5 - Engine Assembly

75

SECTION 6

76

FINAL ADJUSTMENTS AND

76

SPECIFICATIONS

76

CARBURETOR ADJUSTMENT

77

Fig. 187

78

Fig. 188

78

Fig. 189

78

Fig. 190

79

Fig. 191

79

Fig. 192

79

Fig. 193

79

MODEL 473100 SPECIFICATIONS

80

ENGINE HARNESS

82

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