Sany SY155W Wheeled Hydraulic Excavator Maintenance Manual – PDF DOWNLOAD
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Sany SY155W Wheeled Hydraulic Excavator Maintenance Manual – PDF DOWNLOAD
- Safety Warnings
Proper maintenance and repair is essential for the safe operation of the machine. The maintenance and repair techniques recommended by this manual and by Sany Heavy Machinery Co., Ltd. are both effective and safe. Some of them require special tools designed by Sany Heavy Machinery Co., Ltd. for special purpose. - To prevent injury to personnel, the symbol
is used in this manual to identify safety precautions. Precautions identified by these signals must be strictly followed. If there is or might be any hazardous situation, put safety first and take necessary actions
- 1. General precautions
- Before any lubrication or repair, please read all safety plates on the hydraulic excavator. Refer to the safety manual for location of safety plates and detailed precautions.
- Specify a certain place to store tools and removed parts at the repair shop. Be sure to keep the tools and parts in the right place. Be sure to keep the work area clean and make sure there are no dirt, water or oil stains on the ground. Smoking is limited to certain areas. Never smoke while working.
- When performing any operation, be sure to wear safety shoes and a safety helmet. Do not wear loose or button-lost clothes. • Always wear goggles when hitting a part with a hammer.
- Always wear goggles when grinding parts with a grinding machine.
- For operation required to be performed by 2 or more persons, be sure to agree on the steps in advance. Be sure to inform your colleagues before any step begins. Before starting work, hang the ―Under Repair‖ sign in the cab.
- ) Only authorized workers are allowed to carry out work that requires a license or a qualification certificate.
- Make sure all the tools are in good condition, learn how to use them properly, and use the right tools. Thoroughly inspect tools, the machine, forklifts, service vehicles, etc. before starting work.
- If required, welding repair must be conducted by a trained and experienced welder, who must wear protective equipment.
- Warm up before starting work to start the work in good condition
TABLE OF CONTENTS:
Sany SY155W Wheeled Hydraulic Excavator Maintenance Manual – PDF DOWNLOAD
1 Foreword and Introduction 1 -1
2 Safety 2-1
3 Technical Specifications 3-1
4 Structure and Function 4-1
5 Table of Standard Values 5-1
6 Test and Adjustment 6-1
7 Troubleshooting 7-1
8 Disassembly and Reassembly 8-1
9 Others 9-1
Safety warnings 1-2
How to read this manual 1-4
Notes on standard terminology for maintenance 1-6
Treatment of electrical and hydraulic components 1-8
Precautions for treatment of hydraulic components 1-15
Pipe connector 1-17
Table of standard tightening torque 1-20
Bolt type 1-21
Bolt tightening sequence 1-21
Maintenance of split flange 1-22
Conversion table
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