Hitachi ZW370 Wheel Loader Operational Principle+Troubleshooting Manual
FILE DETAILS:
Hitachi ZW370 Wheel Loader Operational Principle+Troubleshooting Manual
This Listing includes all of the manuals mentioned below:
1.Hitachi ZW370 Wheel Loader Operational Principle Technical Manual TO97C5-E-01
2.Hitachi ZW370 Wheel Loader Operational Principle Technical Manual TO97C5-E-02
3.Hitachi ZW370 Wheel Loader Operational Principle Technical Manual
4.Hitachi ZW370 Wheel Loader Troubleshooting Technical Manual TT97C5-E-00
5.Hitachi ZW370 Wheel Loader Troubleshooting Technical Manual TT97C5-E-01
6.Hitachi ZW370 Wheel Loader Troubleshooting Technical Manual TT97C5-E-02
DESCRIPTION:
Hitachi ZW370 Wheel Loader Operational Principle+Troubleshooting Manual
FOREWORD:
To ensure good machine performance, reduce failures or problems, and prolong the service life of each component, it is necessary to operate the machine as is directed in the Operator and Maintenance Manual. To effectively diagnose and repair the machine, it is important to follow the guidelines laid out in this Shop Manual.
- General Information
- Function and structure
For the engine, refer to the engine Shop Manual provided by the engine manufacturer. The purpose of this manual is to provide information on the product and the correct maintenance and repair methods. Please read this manual to ensure correct troubleshooting and good repair service. This manual will be periodically reviewed and revised for more satisfactory content. If you have any opinion or requests, please inform us.
TABLE OF CONTENTS:
Hitachi ZW370 Wheel Loader Operational Principle+Troubleshooting Manual
- Hitachi ZW370 Wheel Loader Operational Principle Technical Manual
Foreword
Safety Symbols
CONTENTS
00 General Information
03 Measurement for Performance Check
12 Function & Structure Chassis Group
13 Check & Adjustment Chassis Group
22 Function & Structure Power Group
23 Check & Adjustment Power Group
32 Function & Structure Torque Converter and
Transmission Group
33 Check & Adjustment Torque Converter and
Transmission Group
42 Function & Structure Hydraulic Group
43 Check & Adjustment Hydraulic Group
52 Function & Structure Brake Group
53 Check & Adjustment Brake Group
62 Function & Structure Electrical Group
72 Function & Structure Operator Station
Group
73 Check & Adjustment Operator Station
Group
92 Drawing & Diagrams
INDEX
Maintenance Log
- Hitachi ZW370 Wheel Loader Operational Principle Technical Manual
Cautions Regarding Troubleshooting 01-3
How to Use Quick Troubleshooting Table 01-4
Safety Precautions 01-5
Torque Converter and Transmission Group 01-6
1 Machine dose not move in any shift lever position 01-6
2 Machine dose not move at a certain shift lever position
(OR:Machine moves only in a certain shift lever position) 01-7
3 Machine moves at the neutral position (Example: Machine moves forward at the neutral position) 01-8
4 Large shock at starting or changing speed / direction 01-9
5 Large time lag at starting or changing speed / direction 01-10
6 Low power (Defective torque converter or transmission) 01-11
7 Torque converter oil is overheating 01-12
8 Machine moves reverse when starting to climb up on a slope using inching brake 01-13
9 Automatic speed change is not possible 01-14
10 Downshift button does not work 01-15
Hydraulic Group 01-16
1 Boom and/or bucket do not move 01-16
2 Boom and/or bucket have low power, or move too slowly 01-17
3 Excessive cylinder drift 01-18
4 Boom and/or bucket are spongy
(Holding bucket against the ground is not possible-front wheels off the ground) 01-19
5 Bucket leveler does not work Boom lift kickout and lower kickout does not work 01-20
6 Steering is not possible or hard to steer 01-21
7 Machine sways, or has a shock during steering 01-22
8 ELS (Efficient Loading System) does not work
(Excavating and scooping tractive power does not become up during ELS working condition) 01-23
01-2
9 Ride control does not work 01-24
10 Fan motor rotates abnormally or does not rotate 01-25
11 Abnormal noise in hydraulic system 01-26
12 Others 01-27
Brake Group 01-28
1 Brake does not work well (In the worst case, the brake does not work at all) 01-28
2 Brake is dragging when released 01-29
3 Stepping on the brake pedal sounds the buzzer 01-30
4 Accumulator pressure does not rise, or too slow in rising 01-31
5 Parking brake does not work (or: Releasing the parking brake is not possible) 01-32
Electrical Group 01-33
1 Instrument panel does not indicate properly 01-33
2 Fuse for controller is blown 01-34
Error code (for chassis) 01-35
Error code (for engine) 01-38
Operator Station Group 01-44
Air conditioner 01-44
Cautions on Safety 03-2
Standard Measurement Values for Performance Check 03-3
Preparation for Performance Check 03-6
Engine 03-8
Measuring engine speed 03-8
Clutch Oil Pressure and Time Lag 03-12
Measuring clutch oil pressure 03-12
Hydraulic Cylinder 03-15
Cylinder natural drift 03-15
Boom Cycle Time 03-17
Full Steering Time 03-19
Loading/Steering Circuit Relief Valve 03-21
Loading circuit relief valve setting pressures 03-21
Steering circuit relief valve setting pressures 03-26
Stop Valve 03-32
Stop valve adjustment procedure 03-32
Fan Revolution 03-33
Service Brake 03-34
Service brake performance check 03-34
Parking Brake 03-35
Parking brake performance check 03-35
Brake Circuit Oil Pressure 03-36
Unloader valve setting pressure 03-36
Brake valve oil pressure 03-39
Accumulator Circuit Charging Time 03-41
Number of Brake Pedal Applications 03-43
Declutch Engagement 03-44
Axle Assembly 92-2
Torque Converter and Transmission 92-3
Hydraulic & Brake Circuit 92-4
Brake Circuit 92-5
Electrical Wiring Diagram (1/3) (S/N 9001~9048) 92-6
Electrical Wiring Diagram (2/3) (S/N 9001~9048) 92-7
Electrical Wiring Diagram (3/3) (S/N 9001~9048) 92-8
Electrical Wiring Diagram (1/3) (S/N 9049~9250) 92-9
Electrical Wiring Diagram (2/3) (S/N 9049~9250) 92-10
Electrical Wiring Diagram (3/3) (S/N 9049~9250) 92-11
Electrical Wiring Diagram (1/3) (S/N 9251~) 92-12
Electrical Wiring Diagram (2/3) (S/N 9251~) 92-13
Electrical Wiring Diagram (3/3) (S/N 9251~) 92-14
Electrical Wiring Diagram 92-15
Electrical wiring diagram abbreviation chart 92-17
Electrical Connection Diagram (1/2) (S/N 9001~9250) 92-18
Electrical Connection Diagram (2/2) (S/N 9001~9250) 92-19
Electrical Connection Diagram (1/2) (S/N 9251~) 92-20
Electrical Connection Diagram (2/2) (S/N 9251~) 92-21
Electrical Wiring Diagram (CAB) 92-22
Electrical Wiring Diagram (Cabin Air Conditioner) 92-24
Electrical Circuit Diagram (Cabin Air Conditioner) 92-25
Equipment Operation Table (Cabin Air Conditioner) 92-26
Electrical Equipment Layout 92-27
Electrical Equipment Layout (K-Lever) 92-37
Outline of MODM (Machine Operation Diagnostic Module) Operation 92-38
MODM: Input/Output Monitor – Input/Output Signal Correspondence Table 92-47
VIDEO PREVIEW OF THE MANUAL:
IMAGES PREVIEW OF THE MANUAL:
PLEASE NOTE:
- This is the SAME exact manual used by your dealers to fix your vehicle.
- The same can be yours in the next 2-3 mins as you will be directed to the download page immediately after paying for the manual.
- Any queries / doubts regarding your purchase, please feel free to contact [email protected]
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