Looking for the factory procedures for your excavator? This 771-page JCB JS115–JS180 Series Service Manual PDF (OEM #9803/6520-3) details the complete hydraulic, electrical, and powertrain systems for the JS130, JS130LC, JS145, JS160, and JS180 variants. You get full hydraulic schematics detailing pump regulation and servo lines, plus extensive electrical circuit diagrams tracing the Advanced Management System. Open the troubleshooting guide to quickly diagnose monitor display fault messages, track motor pressure issues, or sluggish cycle times. Bleed air from the rams by idling the engine and stroking each cylinder five times to within 100 mm of the end, then lock down the plexus filter bolts to exactly 20 Nm. A dead machine digs no dirt. Save this bookmarked file to your tablet, pull up the right schematic right in the cab, and get your equipment back to work.
What's Inside This JCB JS115–JS180 Series Manual
| System | Pages | Key Topics |
|---|---|---|
| General Information | 4-38 | Introduction (Schematic Codes), Identifying Your Machine, Torque Settings (Zinc Plated Fasteners and Dacromet Fasteners, Hydraulic Connections) |
| Care & Safety | 39-59 | Safety Notices (Introduction), Safety Check List (Safety - Yours and Others), Operating Safety, Maintenance Safety, Safety Decals (Safety Decal Recognition) |
| Maintenance | 60-140 | Routine Maintenance (Introduction, Owner/Operator Support, Obtaining Replacement Parts, Lifting Regulations - Inspections and Tests) |
| Body & Framework | 141-197 | Technical Data (Static Dimensions, Dig Depth Chart, Shipping Weight, Attachments, Air Conditioning), Basic Operation (Air Conditioning), Fault Finding (Air Conditioning) |
| Electrics | 198-407 | Technical Data (Fuses) |
| Hydraulics | 408-677 | Technical Data, Basic System Operation (Hydraulic Component Location, Introduction to Hydraulic Schematic Symbols) |
| Transmission | 678-730 | Technical Data (Travel Equipment), Fault Finding (Introduction), Track Motor (Removal and Replacement, Start Up and Running in, Dismantling and Assembly) |
| Track & Running Gear | 731-766 | Technical Data (Torque Specifications), Idler Wheel and Recoil Unit (Removal, Replacement), Idler Wheel (Dismantling, Assembly, Wear Limits), Recoil Unit (Dismantling, Assembly) |
| Engine | 767-771 | Technical Data (JS115 - JS180) |
Documents This Manual Refers To
The manufacturer cites these publications by number. We carry them:
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Air Bleeding Procedure for Rams | Idle the engine at low speed and extend and retract each ram 5 times, stopping the ram 100 mm before the end of each stroke. Operate each ram 4 times for the full stroke to completely bleed the air. | p. 124 |
| Plexus Filter bolts E torque | 20 Nm (14.75 lbf ft) | p. 119 |
| Pilot Oil Filter case A torque | 24.4 to 34.3 Nm (2.5 to 3.5 kgf m, 18.07 to 25.5 lbf ft) | p. 121 |
| Main Hydraulic Pump Operating Pressure | 343 bar | p. 413 |
| JS115 | ||
| Main Hydraulic Pump Displacement Volume, JS115 | 55 (cc/rev) x2 | p. 413 |
| JS130-JS145 | ||
| Main Hydraulic Pump Displacement Volume, JS130-JS145 | 59 (cc/rev) x2 | p. 413 |
| JS115 - JS180 | ||
| Engine Oil Capacity | 13.2 litres | p. 77 |
| JS115 - JS145 | ||
| Hydraulic System Capacity (JS115 - JS145) | 124 litres | p. 77 |
| JS160/180 | ||
| Hydraulic System Capacity (JS160/180) | 142 litres | p. 78 |
| JS115/JS130LC/JS145 | ||
| Slew Motor Brake Torque (JS115/JS130LC/JS145) | 266 Nm | p. 414 |














