This 702-page JCB 3CX, 4CX service manual PDF (OEM #9803/3260 Issue 9) gets your JCB 3CX, 4CX, and 200-series (214, 215, 217) backhoe loaders back on the dirt. You get full hydraulic schematics covering the loader and excavator valves, plus dedicated wiring diagrams for the entire cab and chassis electrical harness. Packed with step-by-step repair procedures, the book gives you detailed fault-finding charts to track down transmission slips and steering pressure issues fast. Verify your 4WS alternator puts out exactly 72 Amps, or 85 Amps if equipped with air conditioning, before you buy a new battery. Stop throwing expensive replacement parts at simple wiring faults. Grab the bookmarked download, open it on your shop tablet, and fix the machine today.
What's Inside This JCB 3CX, 4CX, & Variants, Variants Manual
| System | Pages | Key Topics |
|---|---|---|
| General Information | 5-26 | Machine Identification Plate, Typical Machine Identification Number, Typical Engine Identification Number, Unit Identification, Torque Settings, Service Tools Numerical List |
| Care & Safety | 27-34 | Safety Notices, Operating Safety, Maintenance Safety |
| Routine Maintenance | 35-88 | Lubricants & Capacities, Service Schedules, Greasing, Hydraulic Filter, Engine Oil and Filter, Cooling System, Cab Heater Filter, Parking Brake |
| Attachments | 89-108 | Hydraulic Tool Circuit (H.T.C.), Extradig Dipper Wear Pads - Upper/Lower, Auxiliary Valve, Schematic Hydraulic Circuits, Extending Dipper Fitted with Rockbreaker |
| Body & Framework | 109-152 | Air Conditioning, Glazing |
| Electrics | 153-220 | Technical Data, Test Methods, Circuit Diagrams & Component Lists, Batteries, Wiring Harness Repair, Starter Motor, Alternator, Harness Location |
| Controls | 221-234 | Tilt Type Steering Column, Boom Lock Assembly (From Serial Number 433724) |
| Hydraulics | 235-468 | Technical Data, Schematics, Loader Valve, Excavator Valve, Auxiliary Valve Systems, Steering System, Hydraulic Schematic Symbols, Fault Finding |
| Transmission | 469-668 | Technical Data, Descriptions, Fault Finding, Front Axle, Rear Axle, Brakes - Dismantling, Brakes - Assembly, Limited Slip Differential |
| Brakes | 669-694 | Descriptions, Fault Finding, Parking Brake Caliper, Master Cylinder and Servo Unit |
| Engine | 695-702 | Exhaust System, Removal & Replacement |
Documents This Manual Refers To
The manufacturer cites these publications by number. We carry them:
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Service interval reset procedure | Not specified; manual describes scheduled maintenance based on hourmeter readings and calendar equivalents. | p. 40 |
| Hydraulic warning light reset procedure | Not specified; warning lights typically extinguish once the underlying fault is rectified. Troubleshooting steps are provided for hydraulic faults. | p. 360 |
| Battery cold crank amps (Heavy Duty) | 550 | p. 155 |
| Battery reserve capacity (Heavy Duty) | 220 minutes | p. 155 |
| Hydraulic filter element rating (new machines) | 10 micron | p. 59 |
| Hydraulic filter element rating (initial 100 hour service) | 25 micron | p. 59 |
| Air filter pre-cleaner dust bowl fill level (empty) | one third full | p. 74 |
| Air filter outer element renewal | immediately if the warning light on the instrument panel illuminates | p. 75 |
| Hydraulic pump flow (Hamworthy type, Option 1, section 1, 2200 rev/min) | 82.2 litres/min (18.0 UK gal/min) | p. 240 |
| Hydraulic pump flow (Hamworthy type, Option 1, section 2, 2200 rev/min) | 58.4 litres/min (12.8 UK gal/min) | p. 240 |
| 2WS | ||
| Alternator maximum output (2WS) | 65 Amp | p. 155 |
| 4WS | ||
| Alternator maximum output (4WS) | 72 Amp | p. 155 |
