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AR16J
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LGMG AR16J - Service Manual
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LINGONG
HEA
VY
MACHINER
Y
CO., L
TD.
△
!
W
ARNING
Before
oper
ation
a
nd
maintenan
ce,
the
drivers
and
maintenance
personnel
are
required
to
read
this
manual
thoroug
hly
.
Otherwise, fatal
accident
may
occur
. This
manual
shall
be
kept
properly
for
future
reference by
the personnel concerned
.
Service Manual
AR14J/AR16J
Articulated Boom
Mobile
Elevating Work Platform
2
Table of Contents
Main Page
default chapter
3
Table of Contents
3
Foreword
8
Safety Notices
9
Chapter 1 Safety and Environment
11
Terms and Definitions
13
Compliance
13
Before Maintenance
13
Workplace Requirements
14
Safety Considerations for Maintenance and Repair
14
Intended Use
16
Instructions
16
Chapter 2 Product Introduction
17
Parameters of Machine
19
Parameters of AR14J (A0014JNDCH20) Articulated Lifting Platform
19
Parameters of AR16J (A0016JNDCH20) Articulated Lifting Platform
23
Pressure Parameters of Filters and Valves
25
Tightening Torque of Joints and Plugs
26
Tightening Torque of Nuts and Bolts
28
Chapter 3 Maintenance
31
Platform Assembly
33
Assembling the File Box
33
Assembling the Foot Switch
33
Assembling the Lifting Cross Bar
33
Assembling the Platform Support
34
Assembling the Load Cell
34
Assembling the Swing Motor Mounting Bracket
35
Assembling the Platform Control Unit (PCU)
35
Assembling the Anti-Collision Rubber Pad
35
Assembling the Platform
36
Axle Assembly
36
Disassembling the Front Axle Assembly
36
Assembling the Front Axle Assembly
37
Disassembling the Rear Axle Assembly
40
Assembling the Rear Axle Assembly
41
Disassembling the Wheel
43
Assembling the Wheel
43
Jib Assembly
43
Disassembling the Swing Cylinder, the Fly Jib Cylinder and the Jib
43
Assembling the Swing Cylinder, the Fly Jib Cylinder and the Jib
45
Engine Assembly
48
Subassembling the Engine
48
Assembling the Engine Cooling System
51
Assembling the Engine Fuel Pipeline
52
Cable Carrier Assembly
54
Disassembling the Cable Carrier
54
Assembling the Cable Carrier
56
Boom/Extension Jib Assembly
58
Disassembling the Boom
58
Assembling the Boom Assembly
59
Disassembling the Extension Jib Assembly
61
Assembling the Extension Jib Assembly
62
Assembling the Telescopic Boom Assembly
64
Hydraulic Tank/Fuel Tank
65
Assembling the Hydraulic Tank
65
Disassembling the Hydraulic Tank
67
Assembling the Fuel Tank
68
Disassembling the Fuel Tank
68
Cylinder Assembly
69
Disassembling the Boom Luffing Cylinder
69
Assembling the Boom Luffing Cylinder
70
Disassembling the Boom Telescopic Cylinder
71
Disassembling the Lower Leveling Cylinder
73
Assembling the Lower Leveling Cylinder
74
Disassembling the Upper Leveling Cylinder
74
Bleeding Cylinder
76
Bleeding Function Pump
76
Bleeding Slewing Motor
76
Bleeding Walking Motor
76
Bleeding Steering Cylinder
76
Bleeding Folding Jib Luffing Cylinder
77
Bleeding Main Boom Luffing Cylinder and Lower Leveling Cylinder
77
Bleeding Main Boom Telescopic Cylinder
78
Bleeding Fly Jib Luffing Cylinder and Upper Leveling Cylinder
78
Bleeding Platform Swing Cylinder
78
Folding Jib Assembly
80
Removing Folding Jib
81
Assembling Folding Jib Assembly
85
Removing Folding Jib Lift Cylinder
87
Assembling Folding Jib Lift Cylinder
88
Rotary Table Swing Assembly
89
Removing Slewing Drive Assembly
89
Assembling Slewing Drive Assembly
90
Lifting Rotary Table
90
Other Components
90
Assembling Battery
90
Assembling Tilt Sensor
91
Assembling Horn
91
Assembling Slewing Ring Grease Filler Hose
92
Assembling Ground Control System
92
Assembling Hydraulic Oil Radiator
93
Valve Group
94
Multi-Way Valve Assembly AR16JEDC-5
94
Platform Swing Control Valve ST4277-AB00
95
ST5093-AB0C Walking Control Valve Group
96
Chapter 4 Maintenance
99
Observing the Regulations
101
Checking the Battery
101
Checking the Hydraulic Filter
102
Replacing the Air Filter of the Hydraulic Tank
104
Checking the Hydraulic Oil Level
104
Checking the Oil Level of the Reducer
104
Changing the Reducer Gear Oil
105
Maintenance of Worm-Type Slewing Drive
106
Maintenance of Deutz Engine
107
Checking the Engine Oil Level
107
Changing Engine Oil and Replacing Oil Filter
108
Checking Fuel Leaks
110
Bleeding or Replacing the Fuel Filter
110
Checking the Air Cleaner of the Engine
112
Cleaning or Replacing the Air Cleaner
112
Checking the Coolant Level
113
Adding or Changing Engine Coolant
113
Checking the Engine Belt
114
Scheduled Maintenance
115
Fault Diagnosis of Engine
116
Maintenance Schedule
121
Chapter 5 Commissioning
127
Safety Instructions
129
Commissioning Process
130
Machine Inspection
131
Basic Test
132
Start Test
132
Basic Operation Test of Ground Control Unit
134
Basic Operation Test of Platform Control System
136
Hydraulic Oil Level Test
139
Load Test (1.1 Times Rated Load)
140
Travel Speed (High Speed) Test
140
Braking Distance Test
141
Drive Speed Limit Test
141
Braking Distance Test (at Slow Speed)
142
Drive Enable System Test
142
Tilt Sensor Test
143
Gradeability Test (45%)
143
Gradeability Test (25%)
144
Floating Test
144
Operation Time Test
144
Lifting Height Test
147
Load Test (1.25 Times)
147
Rated Load Calibration
148
Pressure Test
148
Function Valve Relief Pressure Test
148
Chapter 6 Appendix
151
Dtcs of COBO System
153
Schematic Diagram
154
AR14J/AR16J Hydraulic Schematic Diagram (Rexroth)
154
AR14J/AR16J Hydraulic Schematic Diagram (Sant Main Valve)
155
AR14J/AR16J Electrical Schematic Diagram (Rexroth)
156
AR14J/AR16J Electrical Schematic Diagram (Sant Main Valve)
157
Diagram of Common Hydraulic Part Symbols
158
Diagram of Common Electrical Part Symbols
174
Chapter 7 Kubota EU5 Engine Content
186
Parameters of Machine
188
1Parameters of Ar14J（A0014Jnkch21）Articulated Lifting Platform
188
Parameters of AR16J(A0016JNKCH21) Articulated Lifting Platform
190
Kubota EUⅤ Engine Assembly
193
Subassembling the Engine
193
Assembling the Engine Cooling System
194
Assembling the Engine Fuel Pipeline
195
Kubota Euⅴengine Maintenance
197
Compliance and Obedience
197
Check for Batteries
197
Maintenance of Worm-Type Slewing Drive
197
Check Hydraulic Oil Level
198
Check for the Oil Level in the Reducer
199
Replacement of the Gear Oil of Reducer
199
Replacement of Engine Oil and Filter
200
Check for Fuel Leakage
201
Draining of Water Separator
201
Replacement of the Fuel Filter
202
Changing of Oil Separator Element
203
Cleaning or Replacement of Air Filter
203
Check for Coolant Liquid Level
204
Filling or Replacement of Engine Coolant
204
Check for Engine Belt
205
Regular Maintenance
205
Kubota EUⅤ Engine Fault Table
206
Engine Fault Codes
208
Kubota EUⅤ Schematic Diagram
215
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