Jlg G12-55A Service Manual podręczniki

Instrukcje obsługi i podręczniki użytkownika dla Maszyny specjalne Jlg G12-55A Service Manual.
Dostarczamy 2 pdf podręczników Jlg G12-55A Service Manual do pobrania za darmo według typów dokumentów: Instrukcja Użytkownika

Jlg G12-55A Service Manual Instrukcja Użytkownika (200 strony)

Marka: Jlg | Kategoria: Maszyny specjalne | Rozmiar: 17.98 MB |

Angielski

Spis treści

Service Manual

1

EFFECTIVITY PAGE

3

SECTION CONTENTS

5

Section Subject Page

6

Section 1

9

Safety Practices

9

1.1 INTRODUCTION

10

1.2 DISCLAIMER

10

1.4 DO NOT OPERATE TAGS

10

1.5 SAFETY INFORMATION

10

1.6 SAFETY INSTRUCTIONS

11

1.7 SAFETY DECALS

12

Section 2

13

2.1 REPLACEMENT PARTS AND

14

WARRANTY INFORMATION

14

2.2 TORQUE CHARTS

15

(Continued)

16

SOCKET HEAD CAP SCREWS

17

CLASS 8.8 METRIC BOLTS

19

CLASS 8 METRIC NUTS

19

Magni Coating*

21

2.3 SPECIFICATIONS

23

2.3.3 Electrical System

24

2.3.7 Tires

26

2.5 SERVICE AND MAINTENANCE

29

SCHEDULES

29

2.5.3 1000 & 1500 Hour

31

2.6 LUBRICATION SCHEDULES

32

Section 3

35

3.1 BOOM SYSTEM COMPONENT

37

3.2.1 Boom System Operation

38

3.4 COMPLETE BOOM REMOVAL/

39

INSTALLATION

39

3.5 BOOM SECTION REMOVAL/

40

FRONT OF BOOM

44

Installation

48

Section Installation

49

3.6 EXTEND/RETRACT CHAIN

50

REMOVAL/INSTALLATION

50

3.6.3 Extend Chain Removal

51

3.7 BOOM SECTION SEPARATION

52

ADJUSTMENT

52

Note: BOTTOM OF BOOM SHOWN

53

WITH EXTEND/RETRACT CYLINDER

53

REMOVED FOR CLARITY

53

3.8 HOSE CARRIER ASSEMBLY

54

Assembly

55

3.8.4 Boom Hose Adjustment

56

3.9 QUICK SWITCH ASSEMBLY

57

3.11 BOOM WEAR PADS

58

BOOM EXTEND AND RETRACT

59

3.12.2 Inspection Guidelines

60

3.12.4 Chain Lubrication

62

3.13 FORKS

63

3.14 TROUBLESHOOTING

64

Problem Cause Remedy

64

Section 4

67

Cab and Covers

67

COMPONENT TERMINOLOGY

68

4.2 OPERATOR’S CAB

69

4.3 CAB COMPONENTS

69

4.3.2 Service Brake Pedal

70

4.3.3 Throttle Pedal

71

4.3.4 Boom Joystick Assembly

71

HEATER WITH AIR

73

CONDITIONING SHOWN

73

4.4 CAB REMOVAL

74

4.5 CAB INSTALLATION

75

Section 5

77

5.2 GENERAL INFORMATION

79

5.3 AXLE ASSEMBLIES

79

5.3.5 Axle Removal

80

5.3.6 Axle Installation

80

To Transmission

85

5.5 WHEELS AND TIRES

86

5.6 BRAKES

87

5.7 TOWING A DISABLED MACHINE

87

Section 6

89

Transmission

89

6.1 TRANSMISSION ASSEMBLY

90

AND MAINTENANCE INFORMATION

91

6.4 TRANSMISSION REPLACEMENT

91

Replacement

93

6.6 TROUBLESHOOTING

95

Section 7

99

7.1 INTRODUCTION - JOHN DEERE

100

7.1.4 Component Terminology

101

7.2 INTRODUCTION - PERKINS

102

7.2.4 Component Terminology

103

7.3 INTRODUCTION - CUMMINS

104

7.3.4 Component Terminology

105

TYPICAL

106

THERMOSTAT

106

CUMMINS RADIATOR ASSSEMBLY

107

7.5 ENGINE ELECTRICAL SYSTEM

108

7.6 FUEL SYSTEM

108

G10-55A, G12-55A

109

7.7 ENGINE EXHAUST SYSTEM

110

7.8 AIR CLEANER ASSEMBLY

111

7.9 ENGINE REPLACEMENT

112

7.9.2 Engine Installation

113

7.10 TROUBLESHOOTING

115

Section 8

117

Hydraulic System

117

8.1 HYDRAULIC COMPONENT

118

TERMINOLOGY

118

8.2 SAFETY INFORMATION

119

8.4 HYDRAULIC CIRCUITS

120

FRONT OF MACHINE

121

HYDRAULIC

124

MANIFOLD

124

MAIN CONTROL VALVE

124

8.4.3 Hydraulic Schematic

125

Before S/N 0160037877

126

MAL0710-C

127

AUXILIARY HYDRAULICS OPTION

128

JOHN DEERE/PERKINS

129

8.6 IMPLEMENT PUMP

130

8.7 CONTROL VALVES

131

8.7.3 Service Brake Valve

133

8.7.4 Service Brake Bleeding

134

8.7.5 Service Brake Test

135

8.7.6 Park Brake Test

135

8.7.7 Steering Orbitrol Valve

135

8.7.8 Steer Select Valve

136

8.8 HYDRAULIC CYLINDERS

137

8.8.2 Cylinder Inspection

138

AFTER the head gland

138

AXLE CENTER SECTION

139

STEERING CYLINDER

139

Section 9

143

Electrical System

143

9.1 ELECTRICAL COMPONENT

145

JOHN DEERE

148

9.5.2 Cab Schematic - Perkins

153

9.5.3 Cab Schematic - Cummins

154

9.5.5 Options - Cummins

156

Before S/N 0160037186

158

9.6 CIRCUIT BREAKDOWNS

164

9.7 ENGINE START CIRCUIT

168

9.7.2 Charging Circuit

169

9.7.3 Alternator

169

9.8 WINDOW WIPER/WASHER

170

WINDSHIELD WIPER MOTOR

170

Reservoir

171

9.9 CAB HEATER AND FAN

172

9.10 SOLENOIDS, SENSORS AND

172

CUMMINS ENGINE SHOWN

175

John Deere

176

9.10.9 Inclinometer Switch

178

9.11.1 Analog Gauges

179

9.12 DASH SWITCHES

180

9.12.2 Dash Switches

181

JLG Worldwide Locations

200

Jlg G12-55A Service Manual Instrukcja Użytkownika (176 strony)

Marka: Jlg | Kategoria: Maszyny specjalne | Rozmiar: 20.91 MB |

Angielski

Spis treści

Service Manual

1

EFFECTIVITY PAGE

3

READ THIS FIRST

4

SECTION CONTENTS

5

Section Subject Page

6

Section 1

9

Safety Practices

9

1.1 INTRODUCTION

10

1.2 DISCLAIMER

10

1.4 DO NOT OPERATE TAGS

10

1.5 SAFETY INFORMATION

10

1.6 SAFETY INSTRUCTIONS

11

1.7 SAFETY DECALS

12

Section 2

13

2.1 REPLACEMENT PARTS AND

14

WARRANTY INFORMATION

14

2.2 THREAD LOCKING COMPOUND

14

2.3 TORQUE CHARTS

15

SOCKET HEAD CAP SCREWS

19

2.4 SPECIFICATIONS

26

2.4.5 Engine Specifications

27

2.4.6 Tires

27

2.5.3 Capacities

30

2.6 SERVICE AND MAINTENANCE

31

SCHEDULES

31

2.7 LUBRICATION SCHEDULES

34

Section 3

37

3.1 BOOM SYSTEM COMPONENT

39

3.2.1 Boom System Operation

40

3.4 COMPLETE BOOM REMOVAL/

41

INSTALLATION

41

3.5 BOOM SECTION

42

REMOVAL/INSTALLATION

42

3.5.2 Third and Fourth Boom

44

Section Removal

44

3.5.4 Hose Carrier Removal

46

Third and Fourth Boom

49

Section Installation

49

3.6 BOOM SECTION SEPARATION

52

ADJUSTMENT

52

3.7 HOSE CARRIER ASSEMBLY

54

3.7.5 Boom Hose Adjustment

56

3.8 QUICK SWITCH ASSEMBLY

57

3.9 BOOM WEAR PADS

58

BOOM CHAIN INSPECTION

61

AND LUBRICATION

61

3.11.2 Inspection Guidelines

62

3.11.4 Chain Lubrication

64

3.12 FORKS

65

3.13 EMERGENCY BOOM LOWERING

65

PROCEDURE

65

3.14 TROUBLESHOOTING

68

Section 4

71

Cab and Covers

71

4.1 OPERATORS CAB AND COVERS

72

COMPONENT TERMINOLOGY

72

4.2 OPERATOR CAB

73

4.3 CAB COMPONENTS

73

4.3.2 Service Brake Pedal

74

4.3.3 Throttle Pedal

75

4.4 CAB REMOVAL

78

4.5 CAB INSTALLATION

79

Section 5

81

5.2 AXLE SERIAL NUMBER

83

5.3 AXLE SPECIFICATIONS AND

83

MAINTENANCE INFORMATION

83

5.4 AXLE REPLACEMENT

83

5.5 DRIVE SHAFTS

88

5.6 WHEELS AND TIRES

89

5.7 BRAKES

90

5.8 TOWING A DISABLED MACHINE

91

Section 6

93

Transmission

93

6.1 TRANSMISSION ASSEMBLY

94

AND MAINTENANCE INFORMATION

95

6.4 TRANSMISSION REPLACEMENT

95

Internal Repair

97

BY-PASS VALVE

99

G10-55A, G12-55A

100

6.7 TROUBLESHOOTING

101

Problem Cause Remedy

101

Section 7

105

7.1 INTRODUCTION

106

7.1.4 Component Terminology

107

7.2 ENGINE COOLING SYSTEM

108

7.3 ENGINE ELECTRICAL SYSTEM

111

7.4 FUEL SYSTEM

111

7.4.2 Fuel Tank

112

7.5 ENGINE EXHAUST SYSTEM

114

7.6 AIR CLEANER ASSEMBLY

116

7.7 ENGINE REPLACEMENT

118

7.7.2 Engine Installation

119

7.8 TROUBLESHOOTING

120

Section 8

121

Hydraulic System

121

8.1 HYDRAULIC COMPONENT

122

TERMINOLOGY

122

8.2 SAFETY INFORMATION

123

8.4 HYDRAULIC CIRCUITS

124

8.4.3 Pressure Specifications

127

8.4.4 Hydraulic Schematic

128

8.5 HYDRAULIC RESERVOIR

130

8.6 IMPLEMENT PUMP

131

8.7 CONTROL VALVES

132

8.7.3 Service Brake Valve

134

8.7.4 Service Brake Bleeding

135

8.7.5 Service Brake Test

136

8.7.6 Steering Orbitrol Valve

136

8.7.7 Steer Select Valve

137

8.8 HYDRAULIC CYLINDERS

138

8.8.2 Cylinder Inspection

139

AFTER the head gland

139

8.8.4 Steering Cylinders

140

Section 9

143

Electrical System

143

9.1 ELECTRICAL COMPONENT

144

9.2 SPECIFICATIONS

146

9.3 SAFETY INFORMATION

146

9.4 FUSES AND RELAYS

146

ALL WHEEL

151

9.6 ENGINE START CIRCUIT

154

9.6.2 Charging Circuit

155

9.6.3 Alternator

155

9.7 WINDOW WIPER/WASHER

156

WINDSHIELD WIPER MOTOR

156

Reservoir

157

9.8 CAB HEATER AND FAN

158

9.9 SOLENOIDS, SENSORS AND

158

9.9.5 Fuel Level Sender

161

9.10.1 Gauges

162

9.11 DASH SWITCHES

163

9.11.2 Dash Switches

164

FAULT CODES

165

JLG Worldwide Locations

176

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