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 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 |
