Hitachi ZW330-6 Wheel Loader Operational Principle Technical Service Manual
527 pages · Publication TONGE40-EN-00
Added to your cart. View cart
- Models
- ZW330-6
- Manual type
- Operational Principle Technical Service Manual
- Pages
- 527
- Publication
- TONGE40-EN-00
- Condition
- Brand new

What's inside
From the manual's own table of contents: 302 topics. See sample pages (PDF, 621 KB)
- Specifications
- Weight of Main Components
- Main Component (Overview)
- Electric Component Layout (Overview)
- Electrical System (Cab)
- Controller and Relays
- Right Console
- Monitor and Switches
- Monitor Panel
- Electrical System (Relays)
- Electrical System (Around Hydraulic Oil Tank)
- Electrical System (Around Fuel Tank)
- Engine
- Aftertreatment Device
- Air Cleaner
- Hydraulic Pump
- Main Pump
- Pilot Pump
- Drive Unit
- Control Valve
- Brake Charge Valve/Combination Valve
- Flow Regulator Valve
- Brake Valve
- Ride Control Valve
Show all 302 topics
- Emergency Steering Group
- Steering Valve
- Emergency Steering Pump
- Joystick Steering System (Option)
- Joystick Steering Valve
- Pressure Sensor
- Control Unit (JSS)
- Operator’s Seat (JSS)
- DEF Tank and DEF Supply Module
- Engine Accessories
- Hydraulic Component
- Electrical Component
- Outline
- CAN Circuit
- Engine Control
- Accelerator Pedal Failure Control
- Auto-Warm Up Control
- Engine Load Idle Speed Control
- Forward/Reverse Idle Speed Limiter
- Limiter
- Load-free Engine High Idle Limiter
- Engine Speed Regulator For Digging
- Speed Limit Control with Power Mode OFF
- Driving Load Idle Speed Control
- Control
- Pump Control
- Base Torque Control
- Bucket
- Lift Arm Speed Multiplication Control
- Transmission Control
- Neutral Control
- Forward/Reverse Lever Priority Control
- Manual Speed Shift Control
- Automatic Speed Shift Control
- Downshift Control
- Speed Shift Delay Control
- Declutch Control
- Shift Holding Control
- Lock Up Control
- Fan Control, Valve Control
- Fan Speed Control
- Fan Reverse Rotation Control
- Lift Arm and Bucket Selection Circuit Control
- Ride Control
- JSS Control System (Option)
- Joystick Steering Lever Control
- Forward/Reverse Switch Control
- JSS Alarm Control
- Other Control
- Transmission Alarm Control
- Parking Brake Operation Indicator Control
- Low Brake Oil Pressure Indicator Control
- Low Steering Oil Pressure Indicator Control
- Overrun Alarm Control
- Quick Power Mode Control
- Auto Shut-Down Control
- Emergency Steering Control
- Bucket Auto Leveler Control
- Lift Arm Float Control
- Engine Sensors
- Fuel Injection Control
- Operation of Fuel Injection
- Fuel Injection Volume Control
- Fuel Injection Pressure Control
- Fuel Injection Timing Control
- Fuel Injection Rate and Frequency Control
- EGR Control
- Preheating Control
- Variable Turbocharger Control
- Urea SCR System
- DEF Dosing Control
- DEF Priming Control
- DEF Defrosting/Heat-Retention Control
- DEF Purging Control
- Engine Output Restriction (Inducement)
- Insufficient DEF Level
- Malfunction of Urea SCR System
- Operation
- Aftertreatment Device Regeneration Control
- Auto Regeneration (Automatic Cleaning)
- Manual Regeneration
- Regeneration Inhibit Setting
- Aftertreatment Device Regeneration Inhibit
- Pilot Circuit
- Brake Priority Circuit
- Service Brake Circuit
- Parking Brake Circuit
- Lift Arm/Bucket Operation Control Circuit
- Fan Circuit
- Main Circuit
- Steering Priority Circuit
- Steering Operation Control Circuit
- Neutral Circuit
- Flow Rate Control Circuit
- Relief Circuit
- Other Circuits
- Pump Control Circuit
- Parallel Circuit Flow Rate Control
- Single Operation Circuit
- Combined Operation Circuit
- Ride Control Circuit
- Emergency Steering Circuit
- JSS Hydraulic System (Option)
- Joystick Steering Operation Control Circuit
- Electric Power Circuit (Key Switch: OFF)
- Accessory Circuit (Key Switch: ACC)
- Starting Circuit (Key Switch: START)
- Neutral Engine Start Circuit
- Charging Circuit (Key Switch: ON)
- Alternator Operation
- Regulator Operation
- Surge Voltage Prevention Circuit
- Pilot Shut-Off Circuit (Key Switch: ON)
- Auto Shut-Down Circuit
- Engine Stop Circuit
- Monitor Circuit
- Air Conditioner Circuit
- Steering Column Monitor Circuit
- Head Light Circuit
- Tail Light Circuit
- High-Beam Circuit
- Hazard Light Circuit (Key Switch: OFF)
- Turn Signal Light Circuit
- Horn Circuit (Key Switch: OFF)
- Reverse Light / Buzzer Circuit
- Brake Light Circuit
- Accessory Circuit
- Work Light Circuit
- Wiper Circuit
- Front Wiper Circuit
- Rear Wiper Circuit
- Washer Circuit
- Cab Dome Light Circuit
- JSS Electrical System (Option)
- Joystick Steering Electrical Circuit
- Forward/Reverse Switch Electrical Circuit
- Hydraulic Pump Outline
- Main Hydraulic Pump
- Main Pump Hydraulic Diagram
- Main Pump Cross Section
- Increasing and Decreasing Flow Rate
- Main Pump Regulator
- Regulator Control Function
- Pilot Pump Structure
- Pump Operation
- Pump Delivery Pressure Sensor
- Pressure)
- Multiple Control Valve Location
- Multiple Control Valve Hydraulic Circuit
- Control Valve Overview
- Control Valve Cross Section Views
- Hydraulic Circuit
- Pilot Operation Control Circuit
- Main Relief Valve
- Relief Operation
- Overload Relief Valve (with Make-Up Function)
- Overload Relief Valve Make-Up Operation
- Bleed-Off Compensation Spool
- Bucket Spool
- Bucket Roll Back Operation
- Bucket Dump Operation
- Lift Arm Spool
- Lift Arm Raise Operation
- Lift Arm Down Operation
- Lift Arm Float Operation
- Lift Arm Flow Rate Control Valve
- Flow Rate Control Operation
- Ride Control Selector Valve
- Relief Valve)
- Pilot Pump (Pilot Pump)
- Fan Motor
- Fan Motor Specifications
- Fan Valve
- Pressure Sensor (Fan Circuit Pressure)
- Normal Rotation
- Reverse Rotation
- Make-Up Function
- Unit Location
- Overview
- Structure
- Steering (Left)
- Steering (Right)
- Neutral
- Steering Valve Main Component
- Steering Valve Cross Section View
- Neutral Position
- Steering (Left Turn Position)
- Steering Valve Meter-In Compensator
- Steering Main Relief Valve
- Normal Operation
- Steering Overload Relief Valve
- Overload Relief Function
- Makeup Function
- Overload Relief Valve Operation
- Make-Up Valve Operation
- Steering Spool Variable Orifice
- Steering Pilot Circuit and Its Operation
- Flow Amplifier Notch and Pilot Orifice
- Electromagnetic Detent
- Brake Charge Valve
- Pressure Sensor (Brake Pressure Alarm)
- Combination Valve (Manifold Block)
- Reducing Valve
- Solenoid Valve)
- Proportional Solenoid Valve
- Service Brake Accumulator
- Main Component
- Transmission Pressure Sensor Port
- Front View of Transmission
- Cross Section View of Transmission
- Number of Gear Teeth
- Torque Converter (Lock-Up)
- Lock-Up Clutch Function
- Transmission
- Operation of Transmission
- Transmission Control Valve
- Transmission Control Valve Assembly
- Exploded View of Transmission Control Valve
- Lock-Up Clutch Control Valve
- Transmission Regulator Valve
- Transmission Regulator Valve Operation
- Safety Valve
- Safety Valve Function
- Safety Valve Operation
- Torque Converter Safety Valve
- Torque Converter Safety Valve Function
- Torque Converter Safety Valve Operation
- Parking Brake
- Parking Brake Operation
- Parking Brake Manual Release
- Drive Unit Circuit
- Lubrication Lines
- Differential
- Purpose of Differential
- Principle of Differential
- Operation of Differential
- Torque Proportioning Differential (TPD)
- Limited Slip Differential (LSD)
- Service Brake
- Final Drive Planetary / Axle Shaft
- Brake Valve Component Layout
- During Metering or Decompressing
- Full Stroke
- Pressure Switch (for Stop Lamp)
- Pressure Sensor (for Declutch)
- System Overview
- DEF Tank
- Hose Urea
- DEF Sensor Unit
- DEF Sensor Head Unit
- Sensor Harness Connector
- Level Sensor
- Quality Sensor
- Temperature Sensor
- Coolant Heater Tube
- DEF Suction Tube with Suction Filter
- DEF Supply Module
- Harness Connector Pin Assignment
- Supply Module Main Filter
- Coolant Line
- Steering Accumulator
- Parking Brake Accumulator
- Propeller Shaft
- 1st Propeller Shaft
- 2nd Propeller Shaft
- 3rd Propeller Shaft
- Ride Control Circuit Diagram
- Ride Control Operation
- Ride Control Accumulator
- Priority Hammer Valve
- Axle Oil Cooler (Option)
- Axle Oil Cooler Hydraulic System
- Axle Oil Cooler Hydraulic Circuit Diagram
- Axle Oil Cooler Major Components
- Oil Cooler Fan
- Oil Filter Assembly
- Oil Pump Assembly
- Axle Oil Cooler Electrical System
Inside this manual
Real pages from this operational principle technical service manual (527 pages). Open the sample pages (PDF, 620 KB)
- Specifications, page 48: SECTION 1 GENERAL
- Repair procedure, page 96: Group 2 Control System
- Diagram, page 312: Group 5 Electrical System
- Color page, page 317: Group 5 Electrical System
- Color page, page 438: Group 8 Drive Unit
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the ZW330-6 are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.
Added to your cart. View cart
Manual types
This manual is a operational principle technical service manual. For reference, the three main manual types:
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 527 pages
Quantity one is the manual described above.
Fast free USA shipping
Ships in 1 business day.
60-day returns
Free if the mistake is ours. A manual ordered in error must come back unopened in its shrink-wrap; you pay return shipping and a 20% restocking fee applies. Return policy
Binder not included
Manuals over about 300 pages may need a standard 3-ring binder, which you can buy locally to keep the pages organized for shop use.
Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).