JCB Hydrapower 801.4, 801.5, 801.6 Service Manual

JCB 801.4/801.5/801.6 Mini Excavator Service Manual

• Built for owners and workshops servicing the JCB Hydrapower 801.4, 801.5, and 801.6 mini excavators
• Official OEM publication P/N 9803/3130, Issue 1
• Includes 12 electrical circuit diagrams and comprehensive torque settings for all major assemblies
• Stored against your account so you can retrieve it after a hard-drive loss
• Full-text search finds any part number in seconds
• Laid out for standard letter and A4 printing
• This 199-page manual serves as the primary technical reference for the JCB Hydrapower 801.4, 801.5, and 801.6 series mini excavators, documenting standard maintenance procedures and system component specifications.

Technical Scope and Content

This manual provides detailed technical information for the maintenance and repair of the JCB 801.4, 801.5, and 801.6 series excavators. The content is organized into logical sections: general information for identification and preparation, comprehensive safety procedures, routine maintenance intervals, and specific technical chapters for attachments, body and framework, electrical systems, controls, hydraulics, gearboxes, track and running gear, and the engine. Each section contains technical data, circuit descriptions, and operational summaries for the relevant componentry.

Specification Highlights

Torque settings are clearly documented, featuring a comprehensive table for metric grade 8.8 bolts alongside specific tightening points for track rollers, slew rings, and hydraulic components. Electrical reference values for the starter motor and battery provide exact performance data for diagnostic work. Fluid capacities are explicitly listed for the fuel tank, engine, track gearbox, slew gearbox, and hydraulic system, ensuring correct maintenance levels. Valve clearance for the intake is listed at 0.11–0.20 mm in the cylinder head specification table. Coolant system capacity for the 801.5 cab variant is documented at 5.0 liters. The track motor internal pressure is regulated to defined limits documented within the technical data section.

Note: This page is a contents overview for the manual. It does not provide repair or diagnostic instructions.

An official 199-page JCB OEM service manual covering the 801.4, 801.5, and 801.6 mini excavators, documenting engine, chassis, electrical, and hydraulic specifications for the Hydrapower build.