Part of the Kubota Repair Manuals.
This Kubota Workshop Manual covers the F2690E, F2690, and F3990 front mount mowers together with the matching RCK60P-F39, RCK60R-F36, RCK72P-F39, and RCK72R-F36 mower decks. Its 413 pages carry the factory D1105-E4-FM-2 and V1505-T-E4-FM engine data plus every chassis system.Mechanics get full coverage of the engine, hydrostatic transmission, front and rear axles, brakes, steering, hydraulics, and the electrical system with wiring diagrams and the Easy Checker service and error code displays. The Mower part documents deck identification, blade service, belts, and torque values.Use it to trace a deck that will not engage, diagnose weak hydrostatic drive, set blade bolt torque, and follow the maintenance check list. Supplied as a downloadable, printable PDF for shop or field use.
What's Inside This Kubota F2690E–F3990 Package Manual
| System | Pages | Key Topics |
|---|---|---|
| I Information | - | Machine, Mower, Safety First, Before You Start Service, Start Safely, Operate Safely, Prevent a Fire, Keep a Good Airflow in the Work Area |
| G General | - | Identification (Engine and Model Serial Numbers, Cylinder Number) |
| Engine | - | Engine Body (Closed Breather, Half-Floating Head Cover), Lubricating System, Cooling System, Fuel System (Governor [D1105], Electronic Governor [V1505]) |
| Transmission | - | Structure (Four Wheel Drive, Two Wheel Drive), Power Train (Hydrostatic Transmission), Range Gear Shift Section (F2690E, F2690, F3990) |
| Front Axle | - | Structure, Troubleshooting, Tightening Torques, Checking, Disassembling and Servicing, Symptom Probable Cause Solution Reference Page, Item N·m kgf·m lbf·ft, Preparation |
| Brakes | - | Structure, Operation, During Braking, Troubleshooting, Servicing Specifications, Tightening Torques, Checking, Disassembling and Servicing |
| Rear Axle | - | Structure, Four Wheel Drive Model, Two Wheel Drive Model, Troubleshooting, Servicing Specifications, Tightening Torques, Checking, Disassembling and Servicing |
| Steering | - | Structure, Steering Controller, F2690E, F2690, F3990, Control Valve, Metering Device, Relief Valve |
| Hydraulic System | - | Hydraulic Circuit (F2690E, F2690, F3990), Hydraulic Pump (F2690E, Flow Priority Valve, Relief Valve, Implement Control Valve, Feedback Linkage, Cylinder Safety Valve |
| Electrical System | - | Wiring Diagram (F2690E, F2690, F3990), Starting System (Operator Presence Control System), Meter Panel (Easy Checker™, Service Code Display, Error Code Display) |
| Mower | - | Mower Identification, Lubricant, Tightening Torques (Metric Screws, Bolts and Nuts, American Standard Screws, Bolts and Nuts with Unc or Unf Threads, Plugs), Maintenance Check List |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| RCK60P-F39, RCK60R-F36, RCK72P-F39, RCK72R-F36 | ||
| Mower blade mounting screw torque | 98.1 to 117.7 N·m / 10.0 to 12.0 kgf·m / 72.3 to 86.8 lbf·ft | p. 401 |
| Mower belt replacement interval | Replace if damaged or worn | p. 398 |
| Belt tension pulley greasing interval | Grease if amount of grease is insufficient | p. 391 |
| Pulleys replacement condition | Replace if damaged | p. 399 |
| Spindle shafts greasing interval | Grease if amount of grease is insufficient | p. 391 |
| Mower blade sharpening/replacement condition | Sharpen or replace if worn or broken | p. 390 |
| F2690E, F2690, F3990 | ||
| Air cleaner element cleaning interval | every 100 Hr | p. 37 |
| Air cleaner element replacement interval | every 1 year | p. 37 |
| Fuel filter element check interval | every 100 Hr | p. 37 |
| Fuel filter element replacement interval | every 400 Hr | p. 37 |
| Transmission oil filter replacement interval | every 200 Hr | p. 37 |
| Transmission oil filter replacement condition (auxiliary hydraulics) | after initial 50 service hours of operation | p. 46 |
Kubota F2690E–F3990 Package Common Problems This Manual Covers
Mower deck will not engage
The deck fails to engage or the blades stop under load when the drive belt is worn or slipping, the idler and tensioner are tired, or a deck spindle is binding. The Mower section covers deck drive and blade service.
Manual Section: 9 Mower p. 382Weak or jerky hydrostatic drive
Low or contaminated hydraulic fluid, air in the system, or a worn pump or motor make the machine move weakly or in a jerky way. The Transmission section covers the hydrostatic drive.
Manual Section: 2 Transmission p. 168Overheating or power loss when mowing
A clogged radiator screen, dirty air filter, low coolant, or fuel restriction can cause the engine to overheat or lose power. The Engine section covers the cooling and fuel systems.
Manual Section: 1 Engine p. 78Uneven cut or deck vibration
Bent blades, worn spindle bearings, or belt problems leave an uneven cut or make the deck vibrate. The Mower section covers blade, spindle, and pulley service.
Manual Section: 9 Mower p. 382Hard starting or no fire
A weak battery, a glow plug or preheat fault, or a restricted fuel filter can keep the engine from firing. The Engine section covers the fuel system and starting components.
Manual Section: 1 Engine p. 78Warning light or error code
Read the Easy Checker service and error code display to isolate electrical faults before you start pulling connectors. The Electrical System section includes wiring diagrams and the operator presence controls.
Manual Section: 8 Electrical System p. 315Frequently Asked Questions
Which mowers and decks does it cover?
It covers the F2690E, F2690, and F3990 front mowers plus the RCK60P-F39, RCK60R-F36, RCK72P-F39, and RCK72R-F36 decks across 413 pages, powered by the D1105-E4-FM-2 and V1505-T-E4-FM engines.
What is the mower blade bolt torque?
The mower blade mounting screw torque is 98.1 to 117.7 N·m (72.3 to 86.8 lbf·ft). The Mower section covers deck teardown and blade service. p. 382
How often should the air and fuel filters be serviced?
Per the maintenance check list, clean the air cleaner element every 100 hours and replace the fuel filter element every 400 hours. The General section holds the full schedule. p. 22
What is the hydraulic relief valve setting?
The hydraulic pump relief valve setting pressure is 13.8 to 14.2 MPa. The Hydraulic System section details the circuit, pump, and control valve. p. 284
What format is this manual in?
This is a 413-page searchable PDF, ready to download right away. It works on any device, so pull it up on your phone while you're under the hood. No shipping, no waiting.
Am I able to print pages from this manual?
Absolutely. No DRM or copy protection. Print the whole manual or just the pages you need. Any home or office printer works.
Are electrical wiring diagrams included in this Kubota F2690E & variants manual?
Yes. Full electrical schematics are included, with wire colors, connector locations, and circuit descriptions.
Reviews
There are no reviews yet.