USER’S MANUAL CDM843 WHEEL LOADER

Preface

This manual is prepared for operator, serviceman and technician in order to provide necessary information about the performance, structure, operation, maintenance and control of CDM843 wheel loader.

Owing to the rapid development of technology and our continual improvement of product, the information contained in this manual may be changed without notice.

For improving our product and service, customers are kindly requested to give us comments and suggestions after reading this manual.

This is the first edition.

China Infrastructure Machinery Holdings Limited

August, 2006

China Infrastructure Machinery Holdings Limited

Address：26 Minyi Road, Songjiang Industrial, Shanghai, China

Tel：[phone]

Fax：[phone]

Postal code：201612

E-mail: [e-mail]

http://www.chinalonggong.com

Table of Contents

Chapter 1 Use and Specifications 2

Chapter 2　Operation 5

1. Operation mechanism and instruments 5

2. New vehicle break in 7

3. Operation 8

Figure 2-5 12

4. Lubrication 15

Chapter 3 Main Components 17

1. Diesel Engine 17

2. Torque Converter 17

3. Transmission 19

4. Drive shaft and axle 23

5. Hydraulic Steering System 26

6. Implement and frames 29

7. Implement hydraulic system 31

8. Brake system 39

9. Electrical system 46

Chapter IV Wheel loader lifting and transportation instruction 51

1. Wheel loader lifting 51

2. Transportation of Wheel loader 51

3. Ocean transportation of wheel loader 52

Chapter 5 Periodic maintenance 53

Chapter 6 Troubleshooting 54

Chapter 7 Safety precaution 56

Overall Dimension

Chapter 1 Use and Specifications

1. Use

CDM843 wheel loader is a middle size wheel loader. It is a multi-purpose construction machine with high efficiency for loading incompact material. It can be widely used in such places as mining, construction, road building, harbor, freight yard and so on for loading, earth moving, digging, towing, lifting and transportation.

2. Specification

Item	Description		Specification
1	Rated bucket capacity		2.3m^3
2	Rated payload		4t
3	Lifting time		≤5.5s
	Tilting time		1.2s
	Total hydraulic cycle time		≤11s
4	T ravel Speed(km/h)
	Gear Speed	Gear I		GearⅡ
	Forward	0～11.5		0～35
	Backward	0～16
5	Max. breakout force		127KN
6	Max. grade ability		28゜
7	Turning angle		Left and right sides 35゜
8	Min. turning radius
	measured at symmetrical section of outer tire		5420mm
	measured at outer side of bucket		6435mm
9	Overall dimensions
	Overall length (with bucket leveled on ground)		7070mm
	Overall width (measured at outer side of wheels)		2580mm
	Bucket		2800mm
	Overall height		3280mm
	Max. dumping height(dumping reach≥1110mm)		2900mm
	Wheelbase		2850mm
	Tread width		2060mm
	Min. ground clearance		450mm
10	Operating weight		13.7t