Hitachi ZW150-5B Wheel Loader Service Repair Manual
The manual is applicable for the Hitachi ZW150-5B Wheel Loader Model
Format: PDF
Language: English
Service Manual consists of the following:
For Model ZW150-5B as mentioned above:
Service Manual (Troubleshooting) : Vol. No.TTNDG90-EN
Operation Manual : Vol. No.TTNDG90-EN
Workshop Manual : Vol. No.WNDG90-EN
Table of Content of the Workshop Manual
SECTION 1 GENERAL INFORMATION
Group 1 Precautions for Disassembling and Assembling
Group 2 Tightening
Group 3 Painting
Group 4 Bleeding Air
Group 5 Releasing Pressure
Group 6 Preparation
SECTION 2 MAINTENANCE STANDARD
Group 1 Body
Group 2 Travel System
Group 3 Front Attachment
Group 4 Front Attachment (Parallel Link)
SECTION 3 BODY
Group 1 Cab
Group 2 Counterweight
Group 3 Center Hinge
Group 4 Engine
Group 5 Radiator Assembly
Group 6 Hydraulic Oil Tank
Group 7 Fuel Tank
Group 8 Pump Device
Group 9 Control Valve
Group 10 Pilot Valve
Group 11 Brake Charge Valve
Group 12 Manifold Valve
Group 13 Solenoid Valve
Group 14 Priority Valve
Group 15 Cooling Fan System
Group 16 Ride Control Device
Group 17 Muffler Filter
Group 18 Parallel Link (Special Parts)
Table of Content of the Technical Manual
SECTION 4 OPERATIONAL
PERFORMANCE TEST
Group 1 Introduction
Group 2 Standard
Group 3 Engine Test
Group 4 Machine Performance Test
Group 5 Component Test
Group 6 Adjustment
SECTION 5 TROUBLESHOOTING
Group 1 Diagnosing Procedure
Group 2 Monitor
Group 3 e-Service
Group 4 Component Layout
Group 5 Troubleshooting A
Group 6 Troubleshooting B
Group 7 Troubleshooting C
Group 8 Air Conditioner
Table of Content of the Operation Manual
SECTION 1 GENERAL
Group 1 Specifications
Group 2 Component Layout
Group 3 Component Specifications
SECTION 2 SYSTEM
Group 1 Controller
Group 2 Control System
Group 3 ECM System
Group 4 Hydraulic System
Group 5 Electrical System
SECTION 3 COMPONENT OPERATION
Group 1 Pump Device
Group 2 HST Motor
Group 3 Control Valve
Group 4 Fan Motor and Fan Valve
Group 5 Steering Valve
Group 6 Priority Valve
Group 7 Pilot Valve
Group 8 Brake Charge Valve
Group 9 Manifold Valve
Group 10 Transmission
Group 11 Axle
Group 12 Brake Valve
Group 13 Ride Control Valve
Group 14 Others
Manual guide composition
Hitachi ZAXIS ZW150-5B service manual consists of the Troubleshooting and the Workshop Manual.
- Information included in the Service Manual: Technical information needed for redelivery and delivery, operation and activation of all devices and systems, operational performance tests, and troubleshooting procedures.
- Information included in the Workshop Manual: Technical information needed for maintenance and repair of the machine, tools and devices needed for maintenance and repair, maintenance standards, and removal / installation and assemble / disassemble procedures.
Disconnect the power source.
Disconnect the harness from the negative terminal side in battery first when taking wire harnesses and connectors off for repair or replacement work. Failure to do so can result in damage to the wire harnesses, fuses and fusible links and, in some cases, cause fire due to short circuiting. In addition, even when the key switch is turned OFF, the controller may be operated for a specified time. Therefore, disconnect the harness from the negative terminal side in battery after setting the key switch to the OFF position and waiting one minute or more.
1. The urea SCR system signal (a) are sent to ECM (18).
2. When any of the following condition is met, ECM (18) decreases the engine torque and the engine speed.
Condition:
– DEF Level: 10 minutes after the level reaches 5 % or less
– Urea SCR System: Abnormal, and a certain period of time has passed
– EGR System: Abnormal, and a certain period of time has passed
3. In addition, ECM (18) further decreases the engine torque and sets the engine speed to the slow idle position according to the level of DEF and the elapsed time from the system error occurrence.
4. When the machine recovers to the normal condition, ECM (18) controls the engine torque and speed according to the other engine controls.
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