JCB 528-70, 528S, Agri & Plus Rear Engine Loadall - Service Manual (2004-2010)

JCB 528-70 & 528S Rear Engine Loadall Service Manual - Comprehensive Workshop Guide

Equip your workshop with the definitive technical resource for the JCB 528-70 Rear Engine Loadall series. This professional-grade service manual (Publication No. 9803/3710-3) provides an unparalleled depth of information for the maintenance, diagnostic, and repair of these specialized telescopic handlers.

Unlike general guides, this manual focuses specifically on the "Rear Engine" architecture, ensuring that the unique layout of the powertrain and hydraulic systems is covered with factory-level precision.

Certified Model & Serial Number Coverage

This manual is essential for owners and technicians operating the following JCB machines:

• JCB 528-70 Loadall (Including Agri, Plus, and S variants)
• Machine Serial Numbers: Starting from 1047000 onwards

Equipped with the powerful JCB 444 Series Engine, these models represent a significant era of JCB engineering, balancing a 7-meter lift height with the stability of a rear-mounted engine design.

In-Depth Technical Content

This workshop volume is organized into alphabetically coded sections for rapid navigation and covers every major system:

• General Information (Section 1): Detailed unit identification, torque settings, and service consumables. It includes standardized hydraulic schematic color codes (Red for full pressure, Orange for servo, etc.) to ensure accurate diagnostics.
• Routine Maintenance (Section 3): Complete service schedules, lubricant capacities, and step-by-step instructions for daily checks and long-term interval maintenance.
• Hydraulics (Section E): Comprehensive coverage of the main pump, control valve blocks, and hydraulic rams. Specialized focus on the Smooth Ride System (SRS) and accumulator nitrogen pre-charge procedures.
• Transmission (Section F): Technical data and repair procedures for the Synchro Shuttle Gearbox, Axles (Front and Rear), and the Torque Converter system.
• Steering & Brakes (Sections G & H): In-depth service procedures for the hydraulic steer unit and the service/parking brake calipers.
• Engine (Section K): Detailed removal and replacement guide for the JCB 444 engine series, including cooling system integration and electrical connections.

Why This Manual Provides Real Value

• Diagnostic Precision: Stop the guesswork with factory "Fault Finding" charts for the braking and hydraulic systems.
• Visual Clarity: Hundreds of high-quality technical drawings, exploded views, and schematics guide you through complex dismantling and assembly sequences.
• Safety Standardized: Includes the "Care and Safety" module (Section 2) which is vital for protecting technicians when working around high-pressure hydraulics and raised booms.
• Optimized Performance: Learn the exact "Standard Tightening Torque" for every critical bolt to ensure the structural integrity of your Loadall during heavy lifting operations.

Whether you are a professional fleet mechanic or an owner-operator, this manual is the key to minimizing machine downtime and avoiding the high costs of dealership service calls. Ensure your JCB 528-70 remains a reliable asset on the job site by using the same documentation used by factory-trained technicians.