Generac Power Systems 941-2 manuales

Generac power systems 941-2 Manual de usuario (144 paginas)

Marca: Generac-power-systems | Categoria: Generadores | Tamaño: 4.69 MB |

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Tabla de contenidos

SERIES IMPACT 36 PLUS II

1

REPLACEMENT PARTS

2

SERVICE

3

GENERAL

5

INFORMATION

5

MAGNETISM

7

ELECTROMAGNETIC FIELDS

7

ELECTROMAGNETIC INDUCTION

7

ALTERNATING CURRENT

8

ELECTRICAL UNITS

8

OHM'S LAW

9

REACTANCE IN AC CIRCUITS

9

Section 1.1

10

GENERATOR FUNDAMENTALS

10

WHY VARIABLE SPEED CONTROL?

11

UPPER FAN HOUSING

13

UPPER COOLING FAN

13

PERMANENT MAGNET ROTOR

13

Section 1.2

14

MAJOR GENERATOR COMPONENTS

14

OPERATIONAL DESCRIPTION

17

Section 1.3

18

OPERATIONAL ANALYSIS

18

DIRT AND MOISTURE

19

INSULATION RESISTANCE TESTERS

19

STATOR LEADS

19

PREPARATION FOR TESTS

19

RESULTS OF TESTS

20

CLEANING THE GENERATOR

20

DRYING THE GENERATOR

21

Section 1.4

22

INSULATION RESISTANCE

22

STATOR ASSEMBLY

23

STATOR ASSEMBLY (CONTINUED)

24

Section 1.5

25

COMPONENTS TESTING

25

CONSTRUCTION

27

COMPONENTS

27

Section 1.6

28

CONTROL PANEL

28

Section 1.7

29

SHEET METAL

29

MECHANICAL

35

4-CYCLE ENGINE THEORY

37

RECOMMENDED FUELS

38

RECOMMENDED ENGINE OIL

38

STORAGE INSTRUCTIONS

39

ENGINE TUNE-UP

39

Section 2.1

40

GENERAL INFORMATION

40

VALVE TRAIN COMPONENTS

41

VALVE COMPONENTS REMOVAL

41

VALVE SERVICE

42

VALVE COMPONENTS INSTALLATION

43

(CONTINUED)

44

ADJUSTING VALVE CLEARANCE

44

ROCKER ARM COVER INSTALLATION

45

Section 2.2

46

OVERSIZE PISTON & RINGS

47

PRIOR TO REMOVAL

47

PISTON RINGS

48

CONNECTING ROD

49

ASSEMBLY AND INSTALLATION

49

CYLINDER SERVICE

50

CRANKCASE COVER REMOVAL

51

CAMSHAFT REMOVAL

51

CRANKSHAFT REMOVAL

51

CAMSHAFT INSPECTION

52

CRANKSHAFT INSPECTION

52

COMPRESSION RELEASE MECHANISM

53

INSTALLING THE CRANKSHAFT

53

INSTALLING THE CAMSHAFT

53

Section 2.4

54

CRANKSHAFT AND CAMSHAFT

54

GASOLINE FUEL

55

RECOMMENDED FUEL

57

EVAPORATION CONTROL SYSTEMS

57

Section 3.1

58

INTRODUCTION TO FUEL SYSTEM

58

AIR CLEANER

59

AIR INTAKE

59

Section 3.2

60

AIR CLEANER AND INTAKE

60

FUEL FILTER

61

FUEL PUMP

61

Section 3.3

62

FUEL FILTER AND FUEL PUMP

62

DESCRIPTION

63

CARBURETOR OPERATION

63

CARBURETOR DISASSEMBLY

64

CLEANING AND INSPECTION

64

ADJUSTMENT

65

ENGINE SPEED

65

THROTTLE LINKAGE ADJUSTMENT

65

CARBURETOR REMOVAL

65

Section 3.4

66

CARBURETOR

66

OPERATION

67

Section 3.5

68

AUTOMATIC CHOKE

68

A6060 CIRCUIT BOARD

69

STEPPER MOTOR PROBLEMS

69

TESTING THE STEPPER MOTOR

70

GASEOUS FUEL

71

ADVANTAGES OF GASEOUS FUELS

73

FUEL SYSTEM COMPONENTS

73

VAPOR WITHDRAWAL

73

IMPORTANT CONSIDERATIONS

73

FUEL SUPPLY LINES

74

EXCESS FLOW VALVE

74

LEAKAGE TESTING

75

Section 4.1

76

ADJUSTMENTS

77

THE LP GAS REGULATOR

77

RESULTS OF TEST:

78

CARBURETION

79

CARBURETOR ADJUSTMENT

79

DISASSEMBLY AND REASSEMBLY

79

Section 4.3

80

ENGINE OIL &

81

COOLING SYSTEM

81

INTRODUCTION TO OIL SYSTEM

83

OIL FLOW

83

OIL PICKUP SCREEN

83

CRANKSHAFT OIL SEALS

84

PRESSURE RELIEF VALVE

84

BREATHER ASSEMBLY

84

OIL SUMP

85

OIL FILTER SUPPORT

85

Section 5.1

86

ENGINE OIL SYSTEM

86

GENERATOR AIR FLOW

87

COOLING AIR INLET OPENINGS

87

COMPENSATING FOR RESTRICTIONS

88

INVERTER LOCATION

88

TESTING THE INSTALLATION

88

ELECTRICAL

89

Section 6.1

91

ENGINE DC CONTROL SYSTEM

91

HOW IT WORKS

92

CIRCUIT BOARD CONNECTIONS

93

BATTERY (CONTINUED)

96

START-RUN-STOP SWITCH (SW1)

96

STARTER MOTOR

97

Section 6.3

98

ENGINE CRANKING SYSTEM

98

IGNITION CAGE ASSEMBLY

99

IGNITION SENSOR

99

IGNITION MODULE

99

Section 6.4

100

ENGINE IGNITION SYSTEM

100

OIL PRESSURE SWITCH

103

OIL TEMPERATURE SWITCH

103

ADDITIONAL SHUTDOWN FEATURES

104

OPTIONAL REMOTE PANEL

105

Section 6.6

105

TROUBLE

107

SHOOTING

107

Section 7.1

109

INTRODUCTION

111

Section 7.2

112

PROBLEM 10 - NO AC OUTPUT

118

TEST 1- CHECK 7.5 AMP FUSE

120

STARTER CONTACTOR

122

POWER SUPPLY

122

TEST 22-TEST AUTOMATIC CHOKE

125

TEST 23- CHECK CARBURETION

125

TEST 24- CHECK ENGINE

125

TEST 30

127

STATOR TESTS

128

TEST 33 - TIMING WINDING TEST

128

AC1/AC2/SL1/SL2

129

SPECIFICATIONS

131

AND CHARTS

131

SPECIFICATIONS & CHARTS

133

CRANKSHAFT END PLAY

136

VALVE TRAIN

136

GENERAL SPECIFICATIONS

136

CRANKCASE ASSEMBLY

137

CRANKCASE COVER ASSEMBLY

137

CRANKSHAFT

138

CONNECTING ROD ASSEMBLY

138

PISTON (CONTINUED)

139

CAMSHAFT ASSEMBLY

140

OIL PUMP

140

OIL PUMP (CONTINUED)

141

COMPRESSION PRESSURE

141

TORQUE SPECIFICATIONS

141

MAJOR FEATURES AND DIMENSIONS

142

GENERATOR

142

INVERTER

143

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