Hitachi ZX670LC-6, ZX690LCR-6 and ZX690LCH-6 Excavator Manual

Hitachi ZX670LC-6, ZX690LCR-6 and ZX690LCH-6 Excavator Manual

$36.00

The manual is applicable for the Hitachi Excavator Model:

  • ZX670LC-6
  • ZX690LCR-6
  • ZX690LCH-6

Format: PDF
Language: English
Service Manual consists of the following:

See description for full details

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  • Description
  • Table of Content
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Description

Hitachi ZX670LC-6, ZX690LCR-6 and ZX690LCH-6 Excavator Manual

The manual is applicable for the Hitachi Excavator Model:

  • ZX670LC-6
  • ZX690LCR-6
  • ZX690LCH-6

Format: PDF
Language: English
Service Manual consists of the following:

For Model ZX670LC-6, ZX690LCR-6 and ZX690LCH-6 as mentioned above:

Service Manual (Troubleshooting) Vol. No. TOJBK40-EN : 490 Pages
Service Manual (Operation) Vol. No. TTJBK40-EN  :  455 Pages
Workshop Manual Vol. No. WJBK40-EN :  769 Pages

Circuit diagram: 35 Pages

SI Units (International System of Units) are used in those manual.

Manual guide composition

Hitachi ZX670LC-6, ZX690LCR-6 and ZX690LCH-6 service manual consists of the Operating, 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.

To avoid injury and damage refer to the service manual and be sure to use appropriate lifting techniques and equipment when lifting heavy parts.

A ZAXIS hallmark – industry-leading hydraulic technologies, and performance no other can beat. New ZAXIS provides reliable solutions: impressive fuel economy, swift front movements, and easy operation. You’ll also find Hitachi technological prowess and expertise, such as the optimized hydraulic system and engine.New ZAXIS features the key benefits of high quality, low fuel consumption, and high durability, all of which serve to ensure low running costs.New ZAXIS, which is empowered by comprehensive evolution, will realize customers’ visions and dreams, and pioneer your colorful future

Bypass Shut-Out Valve Manual Instructions Extract:
Bypass shut-out valves (9, 17) are provided in the down stream side of neutral circuit (pump 1) (15) and neutral circuit (pump 2) (16).
Bypass shut-out valve (9) blocks neutral circuit (pump 1) (15), combines pressure oil from pump 1 (10) with pump 2 (11), increases oil flow rate flowing into attachment (1) to increase attachment (1) operation speed.
Bypass shut-out valve (17) blocks neutral circuit (pump 2) (16), combines pressure oil from pump 1 (10) with pump 2 (11), increases oil flow rate flowing into the bucket cylinder to increase the bucket operation speed.

ZX670LC-6, ZX690LCR-6 and ZX690LCH-6
Bucket Flow Combiner Circuit
1. Pilot pressure (d) from 4-spool solenoid valve unit (SF) (19) shifts bypass shut-out valve (17) of neutral circuit (pump 2) (16).
2. As neutral circuit (pump 2) (16) is blocked, pressure oil from pump 2 (11) is combined with pressure oil from pump 1 (10). The combined oil is supplied to bucket spool (18).
3. Consequently, operation speed of the bucket is increased

  • 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 Preparation
    SECTION 2 MAINTENANCE STANDARD
    Group 1 Upperstructure
    Group 2 Undercarriage
    Group 3 Front Attachment
    SECTION 3 UPPERSTRUCTURE
    Group 1 Cab
    Group 2 Counterweight
    Group 3 Main Frame
    Group 4 Engine
    Group 5 Missing Number
    Group 6 Missing Number
    Group 7 Missing Number
    Group 8 Pump Device
    Group 9 Control Valve
    Group 10 Swing Device
    Group 11 Pilot Valve
    Group 12 Solenoid Valve
    Group 13 Signal Control Valve
    Group 14 Aftertreatment Device
    Group 15 DEF Tank
    Group 16 Coolant Control Valve
    Group 17 DEF Supply Module
    Group 18 Missing Number
    Group 19 Fan Valve
    Group 20 Fan Motor
    Group 21 Shockless Valve
    SECTION 4 UNDERCARRIAGE
    Group 1 Swing Bearing
    Group 2 Travel Device
    Group 3 Center Joint
    Group 4 Track Adjuster
    Group 5 Front Idler
    Group 6 Upper and Lower Roller
    Group 7 Track
    SECTION 5 ATTACHMENT
    Group 1 Front Attachment
    Group 2 Cylinder

    Service Manual (Troubleshooting)
    SECTION 4 OPERATIONAL
    PERFORMANCE TEST
    Group 1 Introduction
    Group 2 Standard
    Group 3 Engine Test
    Group 4 Excavator 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 Air Conditioner

    Service Manual (Operational Principle)
    SECTION 1 GENERAL
    Group 1 Specification
    Group 2 Component Layout
    Group 3 Component Specifications
    SECTION 2 SYSTEM
    Group 1 Controller
    Group 2 Control System
    Group 3 Engine System
    Group 4 Hydraulic System
    Group 5 Electrical System
    SECTION 3 COMPONENT OPERATION
    Group 1 Pump Device
    Group 2 Swing Device
    Group 3 Control Valve
    Group 4 Pilot Valve
    Group 5 Travel Device
    Group 6 Signal Control Valve
    Group 7 Others (Upperstructure)
    Group 8 Others (Undercarriage)

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