- •Preface
- •Overall Dimension
- •Chapter 1 Use and Specifications
- •3. Engine
- •4. Powertrain system
- •5. Brake system
- •6. Hydraulic steering system
- •7. Implement hydraulic system
- •8. Electrical system
- •Chapter 2 Operation
- •1. Operation mechanism and instruments
- •Figure 2-1 Operation mechanism and instruments
- •Figure 2-2 Speed Selector
- •Figure 2-3 Implement control
- •Figure 2-4 Parking brake control lever
- •2. New vehicle break in
- •3. Operation
- •3.1 Precaution:
- •3.3 Fuel, lubricant, grease and coolant
- •3.4 Inspection and maintenance before daily operation
- •3.5 Inspection and maintenance after daily work
- •3.6 Start, park and work
- •3.7 Working
- •Figure 2-5
- •Figure 2-6
- •Figure 2-7
- •Figure 2-8
- •Figure 2-9
- •4. Lubrication
- •4.1 Precaution for filling oil/grease:
- •4.2 Type of lubricant (see Table 2-1)
- •4.3 Fill oil and grease
- •Figure 2-10 Chapter 3 Main Components
- •1. Diesel Engine
- •2. Torque Converter
- •Figure 3-1 Torque converter & transmission
- •3. Transmission
- •3.1 Structure and driving principle:
- •3.2 Hydraulic system of torque converter and transmission
- •3.3 Maintenance of torque converter and transmission
- •Figure 3-3 Speed control valve
- •4. Drive shaft and axle
- •Figure 3-4 Correct mesh of spiral bevel gear
- •5. Hydraulic Steering System
- •Figure 3-6 Steering system schematic diagram
- •Figure 3-7 Structure of vle-150 priority valve
- •1.Relief valve 2.Control spring 3.Stem 4.Valve body
- •I. Spring II. Pin III. Connecting shaft IV. Control/amplification valve V. Cycloidal gearing
- •1.Spool 2.Valve sleeve 3.Valve body 4.Rotor 5.Stator/rotor
- •6. Implement and frames
- •Figure 3-10 Implement
- •F Front frame Rear frame Oscillating suspension igure 3-11 Frames
- •7. Implement hydraulic system
- •Figure 3-12 Implement hydraulic system
- •1. Oil tank 2.Implement pump 3.Distributor valve
- •4. Lift cylinder 5.Tilt cylinder
- •Figure 3-13 Distributor valve
- •Figure 3-18 Bucket dump
- •Figure 3-19 Overload complementary valve
- •Figure 3-20 Implement oil tank
- •Figure 3-22 Working principle of implement pump
- •Figure 3-23 Lift cylinder
- •10. Piston rod damp ring 11. Direction bush 12. Piston rod direction guide ring
- •Figure 3-24 Tilt cylinder
- •8. Brake system
- •Figure 3-25 Brake system
- •Figure 3-26 Relief valve
- •Figure 3-27
- •Figure 3-28 Booster pump
- •Figure 3-29 Disc brake
- •9. Electrical system
- •Chapter IV Wheel loader lifting and transportation instruction
- •1. Wheel loader lifting
- •2. Transportation of Wheel loader
- •3. Ocean transportation of wheel loader
- •Figure 4-3 Shipment of Wheel Loader Chapter 5 Periodic maintenance
- •Chapter 6 Troubleshooting
- •Chapter 7 Safety precaution
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:+86-21-57644948
Fax:+86-21-57644049
Postal code:201612
E-mail: export@chinalonggong.com
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 |
2.3m3 |
||
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 |