JCB 801.4, 802, 802.4, 802 Super Mini Excavator Factory Service Manual, 1994-2005 (P/N 9803/3140 Issue 4)

• Covers 1994–2005 JCB 801.4, 802, 802.4, and 802 Super mini excavators, including canopy and cab variants
• Official OEM publication 9803/3140 Issue 4
• 293-page workshop reference featuring exploded diagrams, component illustrations, and technical charts
• Documents engine, hydraulic, electrical, and control system specifications for the complete 802-series build cycle
• Includes unique wiring and hydraulic system logic specifically for the Super variants

Operational and Maintenance Coverage

This publication details the excavator's core systems, focusing heavily on routine maintenance and operational setup. You will find general specifications alongside exact maintenance intervals for engine oil, hydraulic fluids, and filters. Since heavy machinery service carries inherent physical risks, the documentation integrates mandatory safety precautions for technicians directly into the service workflows. This covers essential guidelines for main frame and cab care to maintain ROPS, TOPS, and FOGS safety compliance. The text also maps out auxiliary circuit installations for both single-acting and double-acting hydraulic configurations. Precise data for pedal and cable adjustments is included to ensure proper machine response. For undercarriage and boom work, the chapters outline tracking adjustments, slew ring parameters, and bucket tooth replacement guidelines.

Technical Data and Specifications

Expect comprehensive tables for torque settings, fluid capacities, and material specifications. Fastener integrity is critical during heavy equipment assembly, so the guide highlights data for specific hardware types like Dacromet-coated and zinc-plated bolts. You will find proper coolant mixtures for varying climates, required hydraulic oil viscosities, and exact lubrication points for the boom, dipper, and bucket linkages. Finally, the system reference sections provide factory values for hydraulic circuit pressures, electrical connector pinouts, and timing gear maintenance.