JCB 805 & 806 Hydraulic Excavator Service Manual

Diagnostic procedures and component service for the 805 and 806 hydraulic excavators. Covers engine, hydraulics, controls, and electrical systems. PN 9803/9290.

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Document Details

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Document Number / Seller:
27565 / Carol Gomez
File Size:
15.49 MB
File Type:
PDF
Language:
English
Pages:
312
Printable:
Yes
Category:
Excavator
Last updated / verified
Aug 31, 2025

Models Covered & Key Technical Specifications

JCB 805 & 806 (9803/9290) - Excavator Service Manual Diagnostic procedures and component service for the 805 and 806 hydraulic excavators. Covers engine, hydraulics, controls, and electrical systems. PN 9803/9290. | Series Folder.

  • Verified Energy Draw: 40 Nm signifies the torque setting for mounting bolts on the alternator.
  • Key Temperature Range: For optimal operation, -15°C to 44°C defines the operational temperature Framework.
  • Principal Speed Rating: 2500 rpm -- signifies the engine speed for hydraulic pump testing Standards.
  • Advanced Design: The fuel tank requires 70 L for standard operation Topology.
  • Designated Consumption Data: 15.5 kg signifies the approximate weight of the track roller Assembly.
  • Verified Speed Rating: 9.4 revolutions/min dictates the slew speed during operation Matrix.

Manual Description & Preview

JCB 805 & 806 Hydraulic Excavator Service Manual: Repair & Maintenance Procedures Specification-Guide

Unit-Designations: JCB 805 & 806 // Component-Focus: Excavator Systems Logic // System-Coverage: Complete Repair & Maintenance Procedures.

Service-Nexus Rating Architecture
General Information N/A N/A
Operation N/A N/A
Routine Maintenance N/A N/A
Hydraulics N/A N/A
Electrics N/A N/A
Controls N/A N/A

The manual presents information on the following sections: General Information, Operation, Routine Maintenance, Hydraulics, Electrics, and Controls. It details component identification, maintenance schedules, and diagnostic procedures. Assembly instructions are detailed for various systems including the hydraulic pump, boom, and dipper. Hydraulic schematics are included for the main circuit and servo circuits. Steering component information is provided for the servo hand controllers. Inspection guidelines are provided for track levers and dozer levers. This manual documents torque specifications for critical components to ensure proper joint separation prevention.

Carefully calling for the complete service information, this document provides an in-depth look at the JCB 805 & 806 Hydraulic Excavators, ensuring Methodical operation and longevity.

FAQ

Which specific machine models and publication details are associated with this service manual? keyboard_arrow_down

Manual covers the JCB 805 and 806 hydraulic excavator models and is identified by publication number 9803/9290. This document contains a total of 312 pages of service information.

Are specific edition and issue markers present in this document? keyboard_arrow_down

Manual is marked as Issue 1 and Issue 2 throughout the various sections to indicate the document revision status.

Is technical reference data such as torque settings, service tool descriptions, and lubrication schedules contained in the manual? keyboard_arrow_down

General information sections include detailed torque setting tables and service tool lists for the machine. The manual further provides routine maintenance schedules that detail recommended lubricants for the excavator. These sections are intended to provide reference data for various system maintenance cycles.

What primary machine systems are covered in this service manual? keyboard_arrow_down

Document covers the engine, hydraulic systems, controls, and electrical architecture of the JCB 805 and 806 excavators.

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