Hitachi ZX670LCH-3 ZX670LCR-3 Hydraulic Excavator Operator Manual

Description

The Hitachi ZX670LCH-3 ZX670LCR-3 Hydraulic Excavator Operator Manual is the complete operating and safety guide for the 670-class Hitachi excavator, applicable from serial number 020001 onward. This manual covers the ZX670LCH-3 and ZX670LCR-3 models, with attachment weight tables also referencing the ZX650LCH-3. It is the document that ships with the machine and stays with the operator — covering everything from pre-start inspection and control layout through daily operation, work mode selection, maintenance intervals, and hydraulic attachment use.

File Details

• Manual Type: Operator Manual
• Brand: Hitachi
• Models Covered: ZX670LCH-3, ZX670LCR-3 (ZX650LCH-3 referenced in attachment tables)
• Serial Number: 020001 and up
• Language: English
• Page Count: 168
• File Format: PDF
• Document Reference: ZYX16 650.60 670.41.5 970LCR-3

Chapters Covered

• Safety — safety alert symbols, signal words (DANGER, WARNING, CAUTION, IMPORTANT, NOTE), protective clothing, noise protection, machine inspection, cab precautions, handholds and steps, seat adjustment, seat belt, safe operation
• Job Site Safety — investigation before work, head guard/ROPS/FOPS, signals for multiple machines, confirming machine direction, driving safely, rollaway prevention, back-over and swing accidents, keeping personnel clear, bucket positioning, undercutting, tipping, digging near utilities, power lines, lightning, object handling, flying debris, parking, fluid handling, high-pressure fluids
• Safety Signs and Their Locations
• Operator’s Station — control levers, travel pedals, monitor panel, switch panel, key switch, fuse box, air conditioner controls, radio, windows, seat, seat belt
• Multi Function Monitor Panel — work mode display, fuel rate display, clock setting, password input and change, maintenance settings, language selection, mail delivery
• Switches and Controls — engine control dial, auto-idle, power mode, travel mode, work light, wiper/washer, travel alarm deactivation, seat heater, overload alarm, boom mode, engine oil/coolant level check, auto-lubrication, lubrication mode, rear light
• Fan Rotation Direction Control System
• Cab Features — cigar lighter, cab light, fire extinguisher installation, pilot control shut-off lever, engine stop switch
• Air Conditioner Operation — heater, cooling, defroster, diagnostic function, optimal usage tips
• Radio — tuning, station presets, digital clock setting
• Windows — opening upper front window, removing lower front window, side windows, overhead window, emergency exit
• Seat Adjustment — standard seat, heater seat, air-suspension seat, armrest
• Seat Belt Usage
• Maintenance Schedule — daily, first 50 hours, first 100 hours
• Pre-Start Inspection — electrical system, hardware, fuel system, hydraulic system, lubrication, protective devices
• Starting the Engine — normal and cold weather procedures, booster battery connection
• Stopping the Engine
• Driving the Machine — travel pedals, travel levers, travel mode switch, travel alarm
• Operating on Soft Ground — raising a track with boom and arm
• Towing Machine a Short Distance
• Operating in Water or Mud
• Parking the Machine — level surface and slope procedures
• Control Lever Patterns — Y-type (ISO), H-type (Hitachi), M-type, K-type
• Attachment Pedal — hydraulic breaker, hydraulic crusher
• Power Boost, Power Mode (E/P/H-P), Work Mode Selection
• Digging Operation, Grading Operation, Object Handling
• Stop Valve Operation, Flow Combining Valve Operation
• Precautions for Breaker Operation — maintenance intervals, blank stroke avoidance, chisel positioning
• Breaker Maintenance — hydraulic oil and filter change intervals
• Replacing Breaker Circuit Return Oil Filter
• Precautions for Crusher Operation
• Allowable Weight Limits of Installed Attachment
• Commercial Attachment Models (Breakers) — Kounan Denki, Okada, Toku, NPK, Furukawa, Atlas Copco Krupp, Montabert, EURO RAM
• Daily Storage Procedures

The Hitachi ZX670LCH-3 ZX670LCR-3 Hydraulic Excavator Operator Manual is not a generic safety booklet — it is the machine-specific operating document that walks through the exact control layout of the ZX670LCH-3 and ZX670LCR-3 cab, the multi-function monitor panel’s password and maintenance-setting screens, the correct travel pedal and lever directions for the standard undercarriage orientation, and the hydraulic breaker and crusher operating procedures with attachment weight limits for the 670-class Hitachi. Every safety sign, every work mode, every filter interval shown in the manual is the one that applies to these serial numbers.

What This Operator Manual Enables

With this manual on hand, an operator or fleet owner can run the ZX670LCH-3 or ZX670LCR-3 correctly from the first shift: perform the walk-around pre-start inspection, check engine oil and coolant levels through the monitor panel, start the engine in normal or cold weather, select the right work mode for digging or breaker work, understand the auto-idle and power mode switches, adjust the seat and armrest, open and close every window including the emergency exit, operate the air conditioner and radio, and set the maintenance schedule reminders on the monitor. It also covers the procedures that matter when things go wrong — jump starting with booster batteries, towing a stuck machine, raising a track with the boom and arm, parking on a slope, and using the pilot control shut-off lever before leaving the seat.

Why Correct Operating Procedures and Specifications Matter

The ZX670LCH-3 and ZX670LCR-3 are large hydraulic excavators, and the manual is explicit about the consequences of getting things wrong: tipping on slopes steeper than 15 degrees, hitting power lines with the boom, operating the breaker continuously for more than one minute in one spot, using the bucket as a hammer, or submerging the swing bearing. The safety section alone runs through rollaway accidents, back-over and swing accidents, high-pressure fluid injection injuries, and flying debris hazards. Following the manual’s procedures — the correct travel motor position before craning, the correct engine shutdown sequence to protect the turbocharger, the correct warm-up routine before hydraulic work, the breaker maintenance intervals based on breaker hour meter readings — is what keeps the machine productive and the operator safe.

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Instant PDF Delivery

The Hitachi ZX670LCH-3 ZX670LCR-3 Hydraulic Excavator Operator Manual is delivered as an instant PDF download after payment. No shipping, no waiting for a physical book. The file opens on any device — laptop, tablet, or smartphone — and every page is printable so you can keep a paper copy in the cab and a digital copy on the shop computer. Whether you are a new operator learning the controls, a mechanic checking the breaker filter replacement interval, or a fleet manager making sure the safety signs are all in place, this manual is the reference that travels with the machine.