Description
JCB 135 HD 155 HD Service Manual for the 135 HD and 155 HD skidsteer loaders. This factory publication provides the technical service information required by professional engineers, plant workshops and experienced machinery repairers responsible for maintaining these JCB machines.
Issued as a four-volume service manual, it contains 1,184 pages arranged into numbered machine systems. The publication includes safety information, machine identification, component and service-point locations, attachments, cab equipment, engine-related systems, driveline, brakes, hydraulics and electrical systems.
This is a service publication rather than an Operator’s Manual. JCB specifically instructs users to study and retain the appropriate Operator’s Manual before operating or maintaining the machine.
MACHINE AND SAFETY INFORMATION
The introductory material explains safe working practices and how to use the manual. Subjects identified in the contents include:
- General and maintenance safety
- Operating and worksite safety
- Safety warnings and practices
- Risk assessment
- Maintenance positions
- Model and serial-number identification
- Main component locations
- Service-point locations
- General cleaning information
ATTACHMENTS, BODY AND OPERATOR STATION
Dedicated sections cover the principal structural and operator-related areas of the skidsteer loader:
- Attachments
- Couplings and load handling
- Body and framework
- Operator station
- Heating equipment
- Ventilation equipment
- Air-conditioning systems
ENGINE AND ASSOCIATED SYSTEMS
The manual groups engine service information with the supporting systems needed for machine operation. Its main contents identify coverage of:
- Engine
- Fuel system
- Exhaust system
- Cooling system
- Associated service information
BRAKES, DRIVELINE AND HYDRAULICS
Separate technical sections address the principal power-transfer, braking and hydraulic systems fitted to the covered loaders:
- Brake system
- Driveline
- Hydraulic system
- Related components and system information
ELECTRICAL AND WORKSHOP INFORMATION
The electrical section is supplemented by reference material for workshop fasteners, fixings and approved service products. The publication includes:
- Electrical system information
- Fasteners and fixings
- Consumable products
- After-sales information
- Acronyms and glossary references
JCB 135 HD 155 HD SERVICE MANUAL MODEL COVERAGE
- JCB 135 HD skidsteer loader
- JCB 155 HD skidsteer loader
No specific serial-number range is stated in the supplied opening pages. Workshops should check the machine model and serial number against the applicability information within the manual before beginning work.
MARKET VERSION
This is the English-language edition, identified by the designation EN on the manual cover.
MANUAL DETAILS
- Manufacturer: JCB
- Manual type: Factory service manual
- Machine type: Skidsteer loader
- Models: 135 HD and 155 HD
- Publication number: 9813/4450
- Issue: Issue 2
- Publication date: March 2017
- Format: Four-volume service manual
- Page count: 1,184 pages
- Language: English
The JCB 135 HD 155 HD Service Manual is suitable for workshop use when identifying service points, planning maintenance and carrying out technical work on the covered skidsteer loaders. Its system-based organisation allows technicians to refer directly to the relevant machine section.
Publication number 9813/4450 and Issue 2 should be compared with any existing workshop documentation when confirming the required edition.

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