Briggs & Stratton Vanguard 430000 manuals

Briggs stratton Vanguard 430000 Repair Manual (127 pages)

Brand: Briggs-stratton | Category: Engine | Size: 4.33 MB |

English

Table of contents

Section 1

1

General Information

1

GENERAL INFORMATION

2

IN THE INTEREST OF SAFETY

2

WARNING: DO

2

ENGINE VIEWS

3

ENGINE SPECIFICATIONS

4

LUBRICATING SYSTEM

4

(15 – 11 psi)

5

Fastener Specifications

6

Maintenance Schedule

8

Section 2

9

Cylinder Head and Valves

9

CYLINDER HEAD AND VALVES

10

REMOVE CYLINDER HEAD

10

Fig. 10 – Remove Valves

12

INSPECT AND REPAIR

13

DISASSEMBLE ROCKER ARM SHAFT

15

ASSEMBLE ROCKER ARM SHAFT

16

VALVE STEM

17

(CUTAWAY VIEW)

17

INSTALL CYLINDER HEAD

18

ADJUST VALVES

21

Section 3

22

REMOVING TIMING GEAR

23

COVER AND GEARS

23

CHECKING GEARS

24

REMOVE GEAR CASE

25

DISASSEMBLE GOVERNOR SHAFT

25

ASSEMBLY

25

ASSEMBLE GOVERNOR ASSEMBLY

26

ASSEMBLE TIMING GEAR

26

CASE AND GEARS

26

Fig. 17 – Crankshaft Position

27

Fig. 20 – Torque Screws

27

Fig. 23 – Installing Oil Pan

28

TROUBLESHOOTING

29

Engine Hunts

29

ELECTRONIC GOVERNOR

30

Governor Actuator And Linkage

30

CHECKING GOVERNOR ACTUATOR

30

REMOVE GOVERNOR ACTUATOR

31

INSTALL GOVERNOR ACTUATOR

31

Section 4

32

REMOVE REAR SEAL RETAINER

33

REPLACING OIL SEAL

33

FLYWHEEL

33

INSTALL OIL PAN

34

Section 5

35

Cylinder Block Disassembly

35

CYLINDER BLOCK DISASSEMBLY

36

Section 6

39

REPLACING CAMSHAFT BEARING

40

REPLACING CAMSHAFT PLUG

41

Fig. 11 – Removing Oil Nozzle

42

Section 7

43

Fig. 3 – Checking Timing Gear

44

Fig. 4 – Install Plastigage

44

Fig. 5 – Torque Bearing Cap

44

Fig. 6 – Measure Clearance

44

CLEARANCES

45

CHECKING CRANKSHAFT END PLAY

45

CHECKING CAMSHAFT

46

Section 8

47

Inspection And Assembly

47

CHECKING PISTON AND RINGS

48

CHECKING PISTON PIN AND

48

CONNECTING ROD

48

ASSEMBLE PISTON AND

49

°from each

50

Section 9

51

Cylinder Block Assembly

51

INSTALL PISTONS AND

52

CONNECTING RODS

52

GENERAL ASSEMBLY

53

INSTALL TIMING GEAR CASE

54

CAMSHAFT AND GEARS

54

CYLINDER BLOCK ASSEMBLY

55

INSTALL ALTERNATOR

56

Section 10

57

Manual Choke Carburetor

58

Automatic Choke Carburetor

58

MANUAL CHOKE CARBURETOR

59

REMOVE CARBURETOR

59

DISASSEMBLE CARBURETOR

60

Fig. 9 – Removing Idle Jet

61

CLEAN CARBURETOR

62

INSPECT CARBURETOR

62

BODY FOR WEAR

62

ASSEMBLE CARBURETOR

63

INSTALL CARBURETOR

64

INITIAL CARBURETOR ADJUSTMENT

65

FINAL CARBURETOR ADJUSTMENT

65

AUTOMATIC CHOKE CARBURETOR

66

Fig. 30 – Removing Gasket

68

Fig. 31 – Removing Main jet

68

Fig. 32 – Removing Thermostat

68

Fig. 35 – Removing Idle Jet

69

2.5 MM (3/32”)

72

PRE LOAD

72

CHECKING VACUUM CHOKE BREAK

73

Ω @ (70_ F)

74

Electric Fuel Pump

76

CHECKING FUEL PUMP OUTPUT

77

TEST EQUIPMENT

77

TESTING FUEL PUMP WIRING

77

ANTI-AFTERFIRE SOLENOID

78

TESTING SOLENOID

79

FUEL FILTER

79

CARBURETOR MAIN JETS

79

Section 11

80

Electrical Systems

80

IGNITION SYSTEM COMPONENTS

81

TESTING TRIGGER

82

IGNITION MODULE

82

Ω position

85

14 AMP CHARGING SYSTEM

86

CHARGING INDICATOR CIRCUIT

88

AND WIRING

88

40 AMP CHARGING SYSTEM

90

DISASSEMBLE ALTERNATOR

91

CHECKING BEARINGS

92

Remove Ball Bearing

92

INSTALL BALL BEARING

93

CHECKING ROTOR

93

CHECK BRUSHES

93

CHECK REGULATOR

94

CHECK RECTIFIER

94

ASSEMBLE ALTERNATOR

94

STARTER SYSTEM

97

STARTER CURRENT DRAW TEST

97

TESTING STARTER

98

TESTING STARTER (NO LOAD)

98

EQUIPMENT TO TEST SOLENOID

99

REPLACING SOLENOID

99

ELECTRICAL SYSTEM

100

REMOVING PINION GEAR ASSEMBLY

100

INSTALL PINION GEAR ASSEMBLY

101

DISASSEMBLE STARTER MOTOR

102

INSPECT BRUSHES

103

INSPECT ARMATURE COMMUTATOR

103

REPLACE BRUSHES

104

ASSEMBLE STARTER

105

Section 12

107

Lubrication System

107

LUBRICATION SYSTEM

108

DESCRIPTION

108

CHANGE OIL

108

CHANGE OIL FILTER

108

CHECK OIL PRESSURE

109

Exploded View

110

DISASSEMBLE GEAR CASE

110

Remove Oil Pump

110

± 1.0 mm (1.400” ± .040”)

112

ADJUST GOVERNOR

115

Section 13

116

Cooling System

116

COOLING SYSTEM

117

CHECKING COOLING SYSTEM

117

Testing Radiator Cap

117

CHANGING COOLANT

117

° C (210° F) or

118

° C (178 ~ 183° F)

118

° C (203° F)

118

INSPECTING WATER PUMP

119

REMOVING WATER PUMP

119

INSTALLING WATER PUMP

120

Section 14

121

DESCRIPTION TOOL NO. USE

122

DESCRIPTION PART NO. USE

125

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