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Hitachi ZAXIS 70 - User Manual

Hitachi ZAXIS 70
317 pages
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Serial No.
ZAXIS70, 70LC,
80SB, 80SBLC 060001 and up
ZAXIS85US 040001 and up
PART NO. EM1CD-EN3-2
Operator’s Manual
70
70LC
80SB
80SBLC
85US
Excavator

Table of Contents

Questions and Answers

  • A
    anthony06Jul 29, 2025
    How to fix Hitachi ZAXIS 70 engine that cranks but won't start?
    • A
      Amanda FerrellJul 30, 2025
      If your Hitachi Excavators engine cranks but doesn't start, several issues could be the cause. Start by checking the fuel level and ensuring you're using the correct fuel. Contaminated fuel can also be a culprit, so drain the tank and add clean fuel. Other potential causes include low battery power (charge or replace the battery), a plugged air filter (replace elements), or a plugged fuel filter (remove air from the fuel system). Additionally, check for poor electrical connections at the battery and starter motor, cleaning and tightening them as needed. If these steps don't resolve the issue, the problem might stem from the injection pump or dirty injection nozzles, which would require attention from an authorized dealer.
  • G
    Gabriela CampbellAug 6, 2025
    What to do if my Hitachi ZAXIS 70 engine is hard to start?
    • W
      wolfeglennAug 6, 2025
      If you're having trouble starting your Hitachi Excavators engine, begin by ensuring you have sufficient and correct fuel. If the fuel is contaminated, drain the tank and replace it with clean fuel. Also, check your battery; a low battery can prevent starting, so charge or replace it. Examine the air and fuel filters for blockages; replace the air filter elements and remove any air from the fuel system. Furthermore, inspect the battery and starter motor connections for any looseness or corrosion, cleaning and tightening them as necessary. If the problem persists, the issue might involve the injection nozzles, injection pump, or glow plugs, requiring professional assistance from an authorized dealer.
  • L
    Lauren CalhounAug 14, 2025
    Why won't my Hitachi ZAXIS 70 engine start even though it cranks?
    • J
      Janet EvansAug 14, 2025
      If your Hitachi Excavators engine cranks but fails to start, the issue could stem from several causes. It may be due to no fuel, wrong fuel, or contaminated fuel, so ensure you have the correct, clean fuel. Low battery power, a plugged air filter, or a plugged fuel filter could also be responsible. Check for poor electrical connections at the battery and starter motor. In some cases, the fuel feed pump plunger may be up; push it down and tighten the knob. If none of these resolves the problem, consider issues like a faulty starter motor (replace the starter) or leaks in the fuel system (check connections).
  • M
    Michelle KiddAug 20, 2025
    How to troubleshoot fuel issues in Hitachi Excavators when the engine won't start?
    • M
      Mrs. Amy ParkerAug 20, 2025
      To troubleshoot fuel issues preventing your Hitachi Excavators engine from starting, begin by confirming that you have enough fuel and that it is the correct type. If the fuel is contaminated, drain the tank and add clean fuel. Inspect the fuel system for leaks by checking all connections. Also, check the fuel filter for any blockages and remove any air from the fuel system. Ensure the fuel feed pump plunger is down and tightened. If the feed pump strainer is dirty, clean or replace it. If problems persist, the fuel shut-off linkage may need adjustment or repair.

Summary

SAFETY

Follow Safety Instructions

Adhere to all safety signs, manual messages, and operational guidelines.

General Operating Safety

Covers safe operation from the seat, jump starting, and rider safety.

Operational Hazards and Prevention

Addresses tipping, undercutting, power lines, and object handling safety.

OPERATORS STATION

OPERATING THE MACHINE

Pre-Operation Checks and Engine Starting

Pre-start checks for electrical, boom, bucket, hardware, fuel, and hydraulic systems.

Starting and Stopping the Engine

Procedures for starting the engine in ordinary and cold weather conditions.

Operating Attachments

Procedures and precautions for operating breaker, crusher, and blade attachments.

DRIVING THE MACHINE

Drive the Machine Carefully

Important precautions for safe driving, especially in freezing weather.

Steering the Machine

How to steer using pedals and levers for forward, reverse, and turns.

MAINTENANCE

Periodic Maintenance Schedule

Table outlining lubrication and service intervals for various machine parts.

TROUBLESHOOTING

Engine Problems and Solutions

Common engine issues like starting problems, knocking, and overheating with solutions.

Hitachi ZAXIS 70 Specifications

General IconGeneral
BrandHitachi
ModelZAXIS 70
CategoryExcavators
LanguageEnglish

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