Description
JCB380 JS370 Service Manual is the original manufacturer publication for JCB380 and JS370 [T2 IND] excavators. Issued in English by JCB Service, this four-volume manual provides 1,604 pages of technical information for professional servicing, maintenance and repair.
This publication is intended for trained technicians, plant workshops, fleet engineers and experienced machinery repairers. It is organised into numbered machine systems, allowing users to locate information by assembly and service subject. The manual also identifies principal component and service-point locations.
Publication 9813/8700, Issue 1, was issued in October 2017. The manual contains original instructions verified by JCB or its authorised representative.
SAFETY AND MACHINE INFORMATION
The introductory machine section explains safe workshop practice and how to use the publication. Confirmed subjects include:
- General, maintenance and operating safety
- Worksite safety and risk assessment
- Safety warnings and signal-word definitions
- Required maintenance positions
- Model and serial-number identification
- Manual navigation and section numbering
- Main component locations
- Service-point locations
- General machine cleaning
BODY, ATTACHMENTS AND OPERATOR STATION
The manual includes dedicated sections for the excavator structure, fitted working equipment and operator environment. Coverage is arranged under the following principal headings:
- Attachments
- Couplings and load handling
- Body and framework
- Operator station
- Heating, ventilation and air-conditioning
ENGINE AND ASSOCIATED SYSTEMS
Separate manual sections cover the engine and its supporting fuel, exhaust and temperature-control systems. These divisions help workshop personnel distinguish between the base engine and the associated machine installations.
- Engine
- Fuel system
- Exhaust system
- Cooling system
- Front-end accessory drive terminology
- Consumable products
DRIVELINE AND HYDRAULIC SYSTEM
The driveline and hydraulic system are presented as individual technical sections. The manual’s terminology includes main and auxiliary relief valves, helping technicians follow references used throughout the hydraulic information.
- Driveline
- Hydraulic system
- Main relief valve references
- Auxiliary relief valve references
- Hydraulic system terminology
- Associated fasteners and fixings
ELECTRICAL AND CONTROL SYSTEMS
A dedicated electrical section covers the machine’s electrical information and electronic-control terminology. The publication identifies ECU as the abbreviation for Electronic Control Unit and uses the manufacturer’s structured system format.
- Electrical system
- Electronic control unit references
- Machine electrical terminology
- System-specific technical information
FASTENERS, CONSUMABLES AND AFTER-SALES INFORMATION
Supporting reference sections provide information relevant to correct workshop assembly and servicing:
- Fasteners and fixings
- Consumable products
- After-sales information
- Acronyms and glossary
- Manufacturer safety notices
JCB380 JS370 SERVICE MANUAL MODEL COVERAGE
- JCB380 excavator
- JS370 excavator
Market version: [T2 IND]
Language: English
No serial-number range is stated in the supplied publication pages. Machine identification should therefore be checked against the model, market designation and publication details before use.
MANUAL DETAILS
- Manufacturer: JCB
- Manual type: Service Manual
- Publication number: 9813/8700
- Issue: Issue 1
- Publication date: October 2017
- Format: Four-volume publication
- Page count: 1,604 pages
- Models: JCB380 and JS370
- Market designation: T2 IND
This JCB380 JS370 Service Manual is suitable for workshops requiring the correct factory reference for these specified excavator models. Its system-based arrangement supports routine servicing, component identification and technical repair work.
Always confirm the machine model and identification details before following the manual. The excavator’s Operator’s Manual should also be retained and consulted for operating instructions and safety requirements.

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