Part of the JCB Repair Manuals.
Looking for the factory repair procedures for your JCB Micro excavator? This 305-page JCB 8008 Service Manual PDF (OEM #9803/9310-5) breaks down every system on the Micro Plus, 8010, Tier 3, and CTS variants. Full electrical circuit diagrams, track gearbox rebuild procedures, and a dedicated troubleshooting section for the hydraulic control valves are all included. Open to any chapter and find step-by-step teardown instructions paired with high-quality exploded views of the upper structure and boom linkage. Fill the track gearbox with exactly 0.3 liters of SAE 30 engine oil, and tighten the track roller assembly screws to 78-90 Nm. Your machine is down, so get the right numbers straight from the manufacturer. Download the digital file, pull it up on your shop tablet, and start turning wrenches.
Complete the set for your Micro & variants
- Operator Manual: JCB Micro Operator Manual
What's Inside This JCB Micro & variants Manual
| System | Pages | Key Topics |
|---|---|---|
| Care and Safety | 22-39 | Safety Notices, Safety Check List, Operating Safety, Maintenance Safety, Safety Decals |
| Routine Maintenance | 40-87 | Service Requirements, Health and Safety, Service Schedules, Fluids, Lubricants and Capacities, Tools, Prepare the Machine for Maintenance, Cleaning the Machine |
| Attachments | 88-103 | Available Attachments, Buckets, Auxiliary Hydraulics |
| Body and Framework | 104-129 | Upper Structure, Bucket Ram Pivot and Linkage, Dipper, Boom, Kingpost, Dozer Blade, Counterweight, Fuel Tank |
| Electrics | 130-167 | Technical Data, Starter, Service Procedures, Harness Data, Fan Belt, Circuit Diagrams, Alternator, Test Methods |
| Controls | 168-175 | Controls General, Valve Control Rods |
| Hydraulics | 176-271 | Technical Data, Machine Cycle Times, Service Procedures, Operation Description, Circuit Diagrams, Hydraulic System, Hydraulic Pump, Control Valve |
| Transmission | 272-281 | Track Gearboxes |
| Tracks | 282-297 | General, Track Rollers - Micro Plus, Idler and Recoil Unit - Micro Plus |
| Engine | 298-305 | Technical Data |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Track roller assembly screws torque | 78 - 90 Nm (57 - 67 lbf ft) | p. 294 |
| Track gearbox oil capacity | 0.3 (0.07) Litres (Gal) | p. 54 |
| Track gearbox oil type | JCB SAE 30 Engine Oil (Not Multigrade) | p. 54 |
| Engine oil filter change interval | 500 hours | p. 51 |
| Fuel filter/sedimenter element change interval | 500 hours | p. 51 |
| Fuel sedimenter drain and clean interval | 50 hours | p. 51 |
| Fan belt slack | 5 mm (0.2 in.) | p. 77 |
| Fan belt tension check force | 10 N (1 kgf, 0.51 lbf) | p. 154 |
| Pivot pin diameter reference value | 30 mm (1.18 in.) | p. 110 |
| Pivot pin diameter permitted limit | 29 mm (1.14 in.) | p. 110 |
| Idler external surface (width) nominal | 48 mm (1.890 in) | p. 286 |
| Idler external surface (width) tolerance | - 8 mm (-0.315 in) minimum | p. 286 |


















