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General| Brand | Hitachi |
|---|---|
| Model | ZX 120-3 |
| Category | Excavators |
| Language | English |
Symbols used on machine and manual to indicate potential personal injury.
Explanation of hazard levels: DANGER, WARNING, CAUTION, IMPORTANT, NOTE.
Guidelines for safe operation, maintenance, and modification of the machine.
Guidelines for machine cleaning, inspection, and tool preparation before disassembly.
Steps to prevent contamination and ensure safe disassembly of components.
Key points for assembling components, including cleaning, lubrication, and part replacement.
Procedures for removing air from the hydraulic system to prevent pump or motor damage.
Steps for bleeding air from cylinders, swing motors, and travel motors after refilling hydraulic oil.
Table of bolt sizes, wrench sizes, and specified torque values for ZX110-3 and 120-3 classes.
Torque specifications for the ZX135US-3 class, detailing bolt sizes and tightening torques.
Detailed torque chart for various bolt types and sizes, including N-m and (kgf-m, lbf·ft) values.
Important notes on bolt lubrication, torque tolerance, bolt length, and general torque chart usage.
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