LGMG Mobile Elevating Work Platform SR5390D Service and Repair Manual SM-2537110181

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LGMG Mobile Elevating Work Platform SR5390D Service and Repair Manual SM-2537110181
Size: 8.92 MB
Format: PDF
Language: English
Brand: LGMG
Type of Machine: Mobile Elevating Work Platform
Type of Manual: Service and Repair Manual, Electric and Hydraulic Diagrams
Model: LGMG SR5390D Mobile Elevating Work Platform
Part Number: SM-2537110181
Number of Pages: 110 Pages

Contents:
Chapter 1 Safety

1.1 Compliance​

1.2 Before maintenance​

1.3 Safety considerations for maintenance​

1.4 After maintenance​

Chapter 2 Specifications

2.1 About this chapter​

2.2 Torque specifications​

2.3 Key procedure table​

Chapter 3 Repair

3.1 About this chapter​

3.2 Platform assembly​

3.2.1 How to replace PCU​

3.2.2 Removing the platform assembly​

3.2.3 Removing the extension platform assembly​

3.3 Scissor assembly​

3.3.1 How to disassemble the scissor assembly​

3.3.2 Replacing the platform scissor slider​

3.3.3​

3.3.4 Replacing the chassis scissor slider​

3.3.5 Replacing the upper/lower lift cylinder​

3.3.6 Replacing the cylinder valve block​

3.3.7​

3.4 Chassis assembly​

3.4.1 Replacing the GCU assembly​

3.4.2 Removing the hydraulic oil tank​

3.4.3 Replacing the float cylinder​

3.4.4 Replacing the tire​

3.4.5 eplacing the outrigger cylinder​

3.4.6​

3.4.6 How to remove the front axle assembly​

3.4.7 Removing the rear axle assembly​

3.4.8 How to remove the engine​

Chapter 4 Commissioning

4.1 About this chapter​

4.2 Starting calibration​

4.2.1 No-load calibration​

4.2.2 Rated load calibration​

4.2.3 Inclination calibration​

4.2.4 Leveling and calibrating the outrigger​

4.2.5 Adjusting the lift travel switch​

4.3 Valves​

4.3.1 Control manifold of upper lift cylinder​

4.3.2​

4.3.2 Control manifold of lower lift cylinder​

4.3.3 Travel control manifold​

4.3.4 Lift control manifold​

4.3.5 Oscillating control manifold​

4.3.6 Outrigger cylinder valve​

4.3.7 Replacing the outrigger cylinder valve​

4.3.8 Replacing the upper/lower lift cylinder valve block assembly​

4.3.9​

4.3.9 Adjustment method of relief valve​

4.4 Testing​

4.4.1 Testing the coil​

4.4.2​

4.4.2 Adjusting the lifting pressure​

4.4.3​

4.4.3 Adjusting the steering pressure​

4.4.4 Adjusting the pressure of float cylinder​

4.4.5 Adjusting the outrigger level​

4.5 LPG mode-gas leak test​

4.6 LPG mode-machine performance test​

Chapter 5 Appendix

5.1 About this chapter​

5.2 Compliance​

5.3 Before troubleshooting​

5.4 System menu​

5.5 Fault code and diagnostics​

5.5.1 Fault cold and troubleshooting guide​

5.6 Platform overload diagnosis​

5.7 Schematic diagram​

5.7.1 Machine structure​

5.7.2 Electrical component positions​

5.8 Pin number definition​

5.8.1 PCU pin number definition​

5.8.2 GCU pin number definition​

5.9 Troubleshooting of electrical system​

5.9.1 Diagnostic chart​

5.10 Schematics​

5.10.1 Electrical schematic​

5.10.2 Hydraulic schematic​

5.11 Wiring diagram​

5.12 Diagram of common symbols​

5.12.1 Diagram of common electrical part symbols​

5.12.2 Diagram of common hydraulic part symbols​