Part of the JCB Operator Manuals.
Looking for the exact factory procedures to run your JCB generator set? This 150-page JCB G60–G115 series operator manual PDF (OEM #9811/4600) covers daily operations, maintenance schedules, and control panel setups for the G60RX, G65X, G65QX, G80RX, G90X, G90QX, G100RX, G115X, and G115QX variants. You get complete digital control panel guides for the CP1, CP2, and ATP1 systems, alongside strict daily service checklists and fluid capacity charts. Open to the fault-finding section for engine, fuel, and coolant diagnostic charts, or trace a short using the factory wiring diagrams. Drain the fuel pre-filter daily and make sure you torque the engine oil drain plug to exactly 40–60 Nm during your scheduled service. A dead generator means a dead job site. Download this bookmarked file right to your tablet, pull up the right specs, and get the power back on.
What's Inside This Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| Introduction | 1-16 | Checklists |
| Installation | 17-26 | Indoor Installations |
| Routine Maintenance | 27-38 | Service Requirements, Health and Safety, Service Schedules, Battery, Cooling System, Pre Start Checks, Checks After Running, Cleaning |
| CP1 and CP2 Digital Control Panels | 39-54 | Control Panel Front Views, Control Panel Push Buttons, Data LEDs, Starting and Stopping - Manual Mode, Starting and Stopping - Automatic Mode, Operational Modes, Alarms |
| ATP1 Digital Control Panel (Option) | 55-70 | Control Panel Front View, Control Panel Push Buttons, Data LEDs, Starting and Stopping - Manual Mode, Starting and Stopping - Automatic Mode, Operational Modes, Inputs and Outputs |
| Engine - General Information | 85-86 | Left Side, Right Side, Units of Measurement, Machine / Equipment Related Data, Acronyms and Abbreviations |
| Engine - Identifying the Engine | 87-90 | Engine Identification Plate, Engine Component Identification |
| Engine - Fluids, Lubricants and Capacities | 91-98 | Fuel, Engine Oil and Filter |
| Engine - Routine Maintenance | 99-112 | Cleaning the Engine, Engine Oil and Filter, Engine Cooling System, Engine Fuel System, Air Intake System |
| Engine - Fault Finding | 113-124 | A Charts - Engine, B Charts - Fuel, C Charts - Lubricating Oil, D Charts - Coolant |
| Engine - Technical Data and Specifications | 125-126 | Basic Engine Data |
| Connection and Wiring Diagrams | 127-148 | CP1 and CP2 Wiring Diagrams, ATP1 Wiring Diagrams, Socket Wiring - Rental Specification Only |
| Warranty | 149-150 | Warranty Information, JCB Technical Service |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Engine oil drain plug torque | 40 - 60 Nm (30 - 44 lbf ft) | p. 102 |
| Engine oil filter housing drain plug torque | 40 - 60 Nm (30 - 44 lbf ft) | p. 102 |
| Battery voltage for charging | below 12.4V | p. 32 |
| Fuel filter strap retaining screw torque | 24 Nm (17.7 lbf ft) | p. 107 |
| Fuel pre-filter draining frequency | DAILY | p. 93 |
| Engine oil capacity (minimum) | 12 (2.6) litres (UK Gal) | p. 91 |
| Engine oil capacity (maximum) | 15 (3.3) litres (UK Gal) | p. 91 |
| Coolant concentration for -40 °C protection | 50% Concentration | p. 33 |
| Coolant concentration for -56 °C protection | 60% Concentration | p. 33 |
| FEAD belt tensioner socket size | 16mm | p. 105 |
| FEAD belt replacement condition | cracks or if it is frayed or has pieces of material missing | p. 105 |
| Low oil pressure alarm action | Immediate engine stop with no cooling | p. 51 |

















