Jlg 120-SXJ ANSI Service Manual manuals

Owner’s manuals and user’s guides for Special machinery Jlg 120-SXJ ANSI Service Manual.
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Table of contents

P/N - 3121105

1

July 29, 2004

1

PRECAUTIONS

3

REVISON LOG

4

TABLE OF CONTENTS

5

(Continued)

10

SECTION 1. SPECIFICATIONS

11

1-2 – JLG Lift – 3121105

12

SECTION 1 - SPECIFICATIONS

13

1.5 TORQUE REQUIREMENTS

13

1.6 LUBRICATION

13

Deutz F4L912 Engine

13

Lubrication Specifications

14

3121105 – JLG Lift – 1-7

17

1.9 CYLINDER SPECIFICATIONS

18

1.10 SERIAL NUMBER LOCATIONS

19

SECTION 2. GENERAL

21

SECTION 2 - GENERAL

22

2.2 SERVICE AND GUIDELINES

22

Safety and Workmanship

22

Cleanliness

22

3121105 – JLG Lift – 2-3

23

2-4 – JLG Lift – 3121105

24

3121105 – JLG Lift – 2-5

25

3121105 – JLG Lift – 3-1

29

3-2 – JLG Lift – 3121105

30

3121105 – JLG Lift – 3-3

31

3-4 – JLG Lift – 3121105

32

3.2 SWING BEARING

33

Bearing Wear Tolerance

33

3-6 – JLG Lift – 3121105

34

Bearing Replacement

35

3-8 – JLG Lift – 3121105

36

Swing Bearing Torque Values

37

3.3 SWING TORQUE HUB

37

Disassembly

37

Cleaning and Inspection

37

3-10 – JLG Lift – 3121105

38

Assembly

39

3.4 SWING BRAKE

40

3121105 – JLG Lift – 3-13

41

Manual Adjustment

43

Voltmeter Adjustment

44

3.6 LOAD MANAGEMENT SYSTEM

44

Overmoment Control System

45

3-18 – JLG Lift – 3121105

46

3121105 – JLG Lift – 3-19

47

3.10 CONTROLLER SETUP

48

3121105 – JLG Lift – 3-21

49

Adjustment Procedure

50

3.12 THROTTLE CHECKS AND

50

ADJUSTMENTS - DEUTZ F4L-912

50

THROTTLE LEVER

51

THROTTLE LEVER STOP

51

INJECTION PUMP

51

ACTUATOR CABLE

51

ADECO ACTUATOR

51

3-24 – JLG Lift – 3121105

52

4.1 BOOM MAINTENANCE

53

4-2 – JLG Lift – 3121105

54

3121105 – JLG Lift – 4-3

55

4-4 – JLG Lift – 3121105

56

Inspection

57

4-6 – JLG Lift – 3121105

58

Installation

59

4.2 BOOM CHAINS

59

Adjusting Procedures

59

Inspection Procedure

60

3121105 – JLG Lift – 4-9

61

TIGHT JOINTS

62

ABNORMAL PROTRUSION OR

62

TURNED PINS

62

ARC-LIKE CRACKED PLATES

63

(STRESS CORROSION)

63

4-12 – JLG Lift – 3121105

64

4.6 BOOM LOAD RADIUS SETUP

65

Length Indicator Adjustment

65

Boom Angle Sensor Adjustment

66

Setting Procedure

66

3121105 – JLG Lift – 4-15

67

4-16 – JLG Lift – 3121105

68

4-18 – JLG Lift – 3121105

70

3121105 – JLG Lift – 4-19

71

4-20 – JLG Lift – 3121105

72

SECTION 5. HYDRAULICS

73

SECTION 5 - HYDRAULICS

74

5.3 CYLINDER REMOVAL AND

74

INSTALLATION

74

Telescope Cylinder Removal

74

Lift Cylinder Removal

76

Lift Cylinder Installation

76

Master Level Cylinder Removal

76

5.4 CYLINDER REPAIR

77

Main Valve

80

Frame Mounted Valves

83

SECTION 6. SCHEMATICS

89

1870122 E

93

1870121 E

97

SECTION 6 - SCHEMATICS

100

1870115 E

101

2792447 C

105

2792407 B

113





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