Part of the Kubota Operator Manuals.
This is the factory Kubota operator manual for the GR1600-II and GR2100-II riding mowers (publication K1254-7121-3), from serial 20001 up. The GR1600-II uses a Kubota Z482 diesel and the GR2100-II a D782 diesel. Its 106 pages cover safe operation, specifications, mower and grass catcher mounting, engine and machine operation, mower and catcher use, cleaning, tires and wheels, maintenance, periodic service, adjustment, and troubleshooting.
Owners can use it to mount and level the mower deck, attach and empty the grass catcher, follow break-in and service intervals, set tire pressures, replace worn blades and catcher netting to spec, and work through the engine, machine, mower, and grass catcher troubleshooting charts. Torque charts and battery specifications are included.
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What's Inside This Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| Safe Operation | Before Operating, Operating (Starting, Working, Pulling Loads, Operation on Slopes, Do Not, Children, Operators, Age 60 Years and Above, Stopping), Using the PTO | |
| Servicing of Riding Mower | Machine Serial No., Engine Serial No., Mower Serial No., RCK42, RCK48 | |
| Specifications | Machine Specifications Table (Engine, Capacity, Dimensions, Weight), Mower Specifications Table (Dimensions, Discharge Direction, Gear Box Oil), Grass Catcher Specifications Table | |
| Implement Limitations | Maximum Axle Loading Weight, Ballast (Front Ballast, Rear Ballast) | |
| Instrument Panel and Controls | Easy Checker, Head Light Switch, Throttle Lever, Parking Brake, PTO Lever, Hour Meter | |
| Mower Mounting | Attaching the Mower (Mounting the Mower Deck), Parallel Linkage, Mower Deck, Mower Lift Stopper, Dismounting the Mower Deck | |
| Grass Catcher Mounting | Attaching the Grass Catcher (Mounting the Container), Closing the Top Cover | |
| Operating the Engine | Starting the Engine (Key Switch, Cold Weather Starting, Block Heater), Stopping the Engine, Warming Up (Warm-Up and Transmission Oil in the Low Temperature Range), Jump Starting | |
| Operating the Machine | Operating New Machine (Changing Lubricating Oil for New Machines, Engine Break-In, Machine Break-In) | |
| Operating the Mower | Making the Most of Your Mower | |
| Operating the Grass Catcher | Operating Performance, Emptying the Grass Catcher, Grass Container Net Material (Checking, Replacing), Front Quick Clean Lever | |
| Cleaning | Cleaning with Water, Cleaning the Grass Catching Container, Cleaning the Mowing System, Cleaning the Mowing System Using Hose | |
| Tire and Wheels | Tires, Wheels | |
| Maintenance | Service Intervals, Lubricants (Place Capacities Lubricants Table, Greasing Table), Engine Oil, Transmission Oil | |
| Periodic Service | How to Open the Hood | |
| Adjustment | General Torque Specification, Tightening Torque Chart | |
| Troubleshooting | Engine Troubleshooting, Machine Troubleshooting, Mower Troubleshooting, Grass Catcher Troubleshooting |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| GR1600-II | ||
| Blade bolt torque | 98 to 117.6 N-m (10 to 12 kgf-m) | p. 96 |
| Blade bolt torque (GR1600-II) | 98 to 117.6 N-m (10 to 12 kgf-m) | p. 96 |
| Engine oil capacity, GR1600-II | 1.2 L | p. 29 |
| GR2100-II | ||
| Blade bolt torque (outer blades) | 103 to 118 N-m | p. 96 |
| Engine oil capacity, GR2100-II | 2.8 L | p. 29 |
| All Models | ||
| Blade tip to level surface difference (clearance) | less than 3 mm (0.1 in.) | p. 37 |
| Container hook to frame shafts clearance (L) | 0 to 5 cm | p. 39 |
| Grass container net material replacement condition | Replace if found worn or deteriorated | p. 60 |
| Fan drive belt deflection | approx. 10 mm (0.39 in.) with 98 N (10 kgf) finger pressure | p. 85 |
| Battery type | 51R (12V, 450CCA) | p. 29 |
| Battery fluid level | between the UPPER and LOWER levels | p. 82 |
| Fuel tank capacity | 18 L | p. 29 |
