Kubota RTV 900 User manual

Code No. K7581-7121-5
OPERATOR'S MANUAL
UTILITY VEHICLE
R
T
V
9
0
0
© KUBOTA Corporation 2009
PRINTED IN U.S.A.
READ AND SAVE THIS MANUAL

KUBOTA Corporation is ···
Since its inception in 1890, KUBOTA Corporation has grown to
rank as one of the major firms in Japan.
To achieve this status, the company has through the years
diversified the range of its products and services to a remarkable
extent, until today, 19 plants and 16,000 employees produce over
1,000 different items, large and small.
All these products and all the services which accompany them,
however, are unified by one central commitment. KUBOTA makes
products which, taken on a national scale, are basic necessities.
Products which are indispensable, products intended to help
individuals and nations fulfill the potential inherent in their
environment. For KUBOTA is the Basic Necessities Giant.
This potential includes water supply, food from the soil and from
the sea, industrial development, architecture and construction,
transportation.
Thousands of people depend on KUBOTA's know-how, technology,
experience and customer service. You too can depend on
KUBOTA.
Abbreviations Definitions
ABBREVIATION LIST
Two Wheel Drive
Four Wheel Drive
American Petroleum Institute
American Society of Agricultural and Biological Engineers, USA
American Society for Testing and Materials, USA
Deutsches Institut für Normung, GERMANY
Feet Per Minute
Hydrostatic Transmission
Kilometers Per Hour
Miles Per Hour
Meters Per Second
Power Take Off
Right-hand and left-hand sides are determined by facing
in the direction of forward travel
Roll-Over Protective Structures
Revolutions Per Minute
Revolutions Per Second
Society of Automotive Engineers, USA
Variable Hydro Transmission
2WD
4WD
API
ASABE
ASTM
DIN
fpm
HST
Km/h
MPH
m/s
PTO
RH/LH
ROPS
rpm
r/s
SAE
VHT
IMPORTANT
The engine in this machine is equipped by the manufacture with a
standard spark arrester.
It is a violation of California Public Resource Code Section 4442 to
use or operate this engine on or near any forest-covered, brush-
covered land, or grass- covered land unless the exhaust system is
equipped with a working spark arrester meeting state laws. Other
states or federal areas may have similar laws.

UNIVERSAL SYMBOLS
As a guide to the operation of your vehicle, various universal symbols have been utilized on the instruments and
controls. The symbols are shown below with an indication of their meaning.
Safety Alert Symbol
Diesel Fuel
Hourmeter/Elapsed Operating Hours
Engine Coolant-Temperature
Brake Fluid & Parking Brake
Engine Intake/Combustion Air-Filter
Battery Charging Condition
Engine Oil-Pressure
Turn Signal/Hazard
Engine-Stop
Engine-Run
Starter Control
Diesel Preheat/Glow Plugs(Low Temperature
Start Aid)
Engine Shut-Off Control
Differential Lock
Differential Lock Hold
Lift Cylinder-Retract
Lift Cylinder-Extend
Lift Cylinder-Float
Hazard Warning Lights
Master Lighting Switch
Audible Warning Device
Fast
Slow
Lock
Unlock

FOREWORD
3
SAFETY FIRST
IMPORTANT :
NOTE :
3DANGER :
3WARNING :
3CAUTION :
Indicates an imminently hazardous situation which, if not
avoided, will result in death or serious injury.
Indicates a potentially hazardous situation which, if not
avoided, could result in death or serious injury.
Indicates a potentially hazardous situation which, if not
avoided, may result in minor or moderate injury.
Indicates that equipment or property damage could result if
instructions are not followed.
Gives helpful information.
You are now the proud owner of a KUBOTA Vehicle. This vehicle is a product of
KUBOTA quality engineering and manufacturing. It is made of excellent materials
and under a rigid quality control system. It will give you long, satisfactory service.
To obtain the best use of your vehicle, please read this manual carefully. It will help
you become familiar with the operation of the vehicle and contains many helpful
hints about vehicle maintenance. This manual contains instructions for minor
maintenance, but information about major repairs is outlined in the KUBOTA Work
Shop Manual and should be performed only by a KUBOTA Dealer Technician. It is
KUBOTA's policy to utilize as quickly as possible every advance in our research.
The immediate use of new techniques in the manufacture of products may cause
some small parts of this manual to become outdated. KUBOTA distributors and
dealers will have the most up-to-date information. Please do not hesitate to consult
with them.
This symbol, the industry's ''Safety Alert Symbol'', is used throughout this manual
and on labels on the machine itself to warn of the possibility of personal injury.
Read these instructions carefully. It is essential that you read the instructions and
safety regulations before you attempt to assemble or use this unit.

CONTENTS
SAFE OPERATION ................................................................................................. 1
SERVICING OF VEHICLE........................................................................................... 1
SPECIFICATIONS....................................................................................................... 2
SPECIFICATION TABLE ......................................................................................... 2
TRAVELING SPEEDS ............................................................................................. 3
VEHICLE LIMITATIONS.............................................................................................. 4
INSTRUMENT PANEL AND CONTROLS................................................................... 5
LOCATION OF PARTS............................................................................................ 5
PRE-OPERATION CHECK ......................................................................................... 9
DAILY CHECK ......................................................................................................... 9
OPERATING THE ENGINE....................................................................................... 10
STARTING THE ENGINE ...................................................................................... 10
Cold Weather Starting ....................................................................................................13
Block Heater ...................................................................................................................13
STOPPING THE ENGINE...................................................................................... 13
WARMING UP ....................................................................................................... 13
Warm-Up Transmission Oil in the Low Temperature Range..........................................13
JUMP STARTING .................................................................................................. 14
OPERATING THE VEHICLE ..................................................................................... 15
OPERATING NEW VEHICLE ................................................................................ 15
Do not Operate the Vehicle at Full Speed for the First 50 Hours ...................................15
Changing Lubricating Oil for New Vehicles ....................................................................15
STARTING ............................................................................................................. 15
Seat Belt ......................................................................................................................... 15
Head Light Switch........................................................................................................... 16
Hazard Light Switch........................................................................................................ 16
Turn Signal Light Switch .................................................................................................16
Horn Button.....................................................................................................................17
Work Light (Front)...........................................................................................................17
Work Light (Rear) ...........................................................................................................17
Brake Pedal ....................................................................................................................18
Range Gear Shift Lever..................................................................................................18
4WD Lever......................................................................................................................19
Parking Brake Lever ....................................................................................................... 19
Speed Control Pedal.......................................................................................................19
STOPPING............................................................................................................. 20
Stopping.......................................................................................................................... 20
CHECK DURING DRIVING ................................................................................... 20
Immediately Stop the Engine if:...................................................................................... 20
Easy Checker(TM).......................................................................................................... 20
Fuel Gauge.....................................................................................................................21
Coolant Temperature Gauge .......................................................................................... 21
Hourmeter.......................................................................................................................21

CONTENTS
Speedometer .................................................................................................................. 22
PARKING ............................................................................................................... 22
Parking Brake Lever ....................................................................................................... 22
ACCESSORY......................................................................................................... 23
12V Electric Outlet.......................................................................................................... 23
Utility Box........................................................................................................................ 23
OPERATING TECHNIQUES ................................................................................. 23
Differential Lock..............................................................................................................23
Directions for Use of Power Steering..............................................................................24
Unfamiliar Terrain ........................................................................................................... 24
Driving in Reverse .......................................................................................................... 25
Driving in "4WD" ............................................................................................................. 25
Turning the Vehicle......................................................................................................... 26
Hills................................................................................................................................. 26
Traversing Hillsides ........................................................................................................ 27
Sliding and Skidding .......................................................................................................27
Driving through Water.....................................................................................................27
OPERATING HAND THROTTLE........................................................................... 28
STATIONARY HYDRAULIC OUTLET ................................................................... 28
CARGO BED ............................................................................................................. 29
CARGO BED.......................................................................................................... 29
General Caution.............................................................................................................. 29
Max. Cargo Load ............................................................................................................29
Cargo Bed Tailgate......................................................................................................... 30
Raising and Lowering the Cargo Bed.............................................................................31
HYDRAULIC OUTLET............................................................................................... 32
HYDRAULIC OUTLET ........................................................................................... 32
Hydraulic Outlet Lever .................................................................................................... 32
Hydraulic Outlet Valve Coupler Connecting and Disconnecting.....................................33
TIRES AND WHEELS ............................................................................................... 34
TIRES..................................................................................................................... 34
Inflation Pressure............................................................................................................ 34
Tire Type and Use ..........................................................................................................34
WHEELS ................................................................................................................ 35
TOWING AND TRANSPORTING.............................................................................. 36
TOWING AND TRANSPORTING .......................................................................... 36
Rear Trailer Hitch............................................................................................................ 36
Front Trailer Hitch........................................................................................................... 36
Winch Mount Bracket...................................................................................................... 37
Transporting Vehicle....................................................................................................... 37
MAINTENANCE......................................................................................................... 38
SERVICE INTERVALS .......................................................................................... 38
LUBRICANTS, FUEL AND COOLANT .................................................................. 41
PERIODIC SERVICE................................................................................................. 44
HOW TO OPEN THE HOOD AND TILT THE SEAT.............................................. 44
Hood ............................................................................................................................... 44
Operator's Seat............................................................................................................... 44
HOW TO RAISE THE CARGO BED...................................................................... 45

CONTENTS
Raising and Lowering the Cargo Bed [if equipped with hydraulic dump]........................45
Raising and Lowering the Cargo Bed [without hydraulic dump] ..................................... 46
JACK-UP POINT.................................................................................................... 46
Front End........................................................................................................................ 46
Rear End......................................................................................................................... 46
DAILY CHECK ....................................................................................................... 47
Walk Around Inspection.................................................................................................. 47
Checking and Refueling.................................................................................................. 47
Checking Engine Oil Level.............................................................................................. 48
Checking Transmission Fluid Level................................................................................48
Checking Power Steering Oil Tank Level .......................................................................49
Checking Hydraulic Lift Oil Tank Level...........................................................................49
Checking Hydraulic Auxiliary Tank Oil Level ..................................................................50
Cleaning Oil Cooler Net.................................................................................................. 50
Checking Coolant Level.................................................................................................. 51
Cleaning Radiator Screen...............................................................................................51
Checking Brake Fluid Level ............................................................................................ 52
Checking Brake Pedal .................................................................................................... 52
Checking Parking Brake ................................................................................................. 53
Checking Gauges, Meter and Easy Checker(TM) ..........................................................53
Checking Head Light, Turn Signal Light etc. ..................................................................53
Checking Seat Belt and ROPS....................................................................................... 53
Checking Joint Boot........................................................................................................ 53
Checking Tire Inflation Pressure..................................................................................... 54
Checking Backup Beeper ............................................................................................... 54
EVERY 50 HOURS ................................................................................................ 55
Greasing ......................................................................................................................... 55
Oiling............................................................................................................................... 56
Checking Engine Start System ....................................................................................... 56
EVERY 100 HOURS .............................................................................................. 57
Checking VHT Neutral Spring......................................................................................... 57
Checking VHT Pressure Release................................................................................... 57
Checking Wheel Bolt Torque..........................................................................................58
Cleaning Air Cleaner Primary Element ........................................................................... 59
Adjusting Alternator Belt Tension ................................................................................... 59
Checking Fuel Line and Fuel Filter ................................................................................. 60
Checking Battery Condition ............................................................................................ 61
Adjusting Toe-in.............................................................................................................. 62
Cleaning Muffler.............................................................................................................. 63
EVERY 150 HOURS .............................................................................................. 64
Cleaning Air Cleaner Primary Element ........................................................................... 64
EVERY 200 HOURS .............................................................................................. 65
Adjusting Parking Brake ................................................................................................. 65
Replacing Engine Oil Filter ............................................................................................. 65
Changing Engine Oil.......................................................................................................66
Replacing Transmission Oil Filter [HST]......................................................................... 67
Replacing Transmission Oil Filter [SUCTION]................................................................ 68
Changing Hydraulic Lift Oil .............................................................................................69
Changing Hydraulic Auxiliary Tank Oil ...........................................................................70
Checking Brake Pedal .................................................................................................... 71
Checking Brake Hose and Pipe......................................................................................71
Checking Front Brake Case............................................................................................72

CONTENTS
Checking Brake Light Switch..........................................................................................72
Checking Radiator Hose and Clamp .............................................................................. 72
Checking Power Steering Line ....................................................................................... 73
Changing Power Steering Oil .........................................................................................74
Checking Intake Air Line................................................................................................. 75
Checking Hydraulic Auxiliary Oil Line ............................................................................. 75
EVERY 300 HOURS .............................................................................................. 76
Checking Tire..................................................................................................................76
EVERY 400 HOURS .............................................................................................. 76
Changing Knuckle Case Oil............................................................................................ 76
Changing Transmission Fluid ......................................................................................... 76
Replacing Hydraulic Auxiliary Tank Oil Filter..................................................................77
Changing Front Axle Case Oil ........................................................................................ 78
EVERY 500 HOURS .............................................................................................. 79
Replacing Fuel Filter....................................................................................................... 79
EVERY 800 HOURS .............................................................................................. 79
Adjusting Engine Valve Clearance ................................................................................. 79
EVERY 1500 HOURS ............................................................................................ 79
Checking Fuel Injection Nozzle Injection Pressure.........................................................79
EVERY 3000 HOURS ............................................................................................ 79
Checking Injection Pump ................................................................................................ 79
EVERY 1 YEAR ..................................................................................................... 79
Replacing Air Cleaner Primary Element and Secondary Element..................................79
EVERY 2 YEARS................................................................................................... 79
Changing Brake Fluid ..................................................................................................... 79
Flushing Cooling System and Changing Coolant ...........................................................79
Anti-Freeze .....................................................................................................................80
Replacing Radiator Hose (Water pipes) ......................................................................... 81
Replacing Power Steering Hose.....................................................................................81
Replacing Fuel Hose ...................................................................................................... 81
Replacing Engine Breather Hose ...................................................................................81
Replacing Brake Master Cylinder (Inner Parts) ..............................................................81
Replacing Front Brake Seal............................................................................................81
Replacing Rear Brake Cylinder Seal ..............................................................................81
Replacing Intake Air Line................................................................................................81
Replacing Remote Hydraulic Hose.................................................................................81
EVERY 4 YEARS................................................................................................... 81
Replacing Brake Hose .................................................................................................... 81
SERVICE AS REQUIRED...................................................................................... 81
Bleeding Fuel System..................................................................................................... 81
Replacing Fuse............................................................................................................... 81
Replacing Slow-Blow Fuses ........................................................................................... 82
Replacing Light Bulb....................................................................................................... 83
Cleaning Oil Cooler Net.................................................................................................. 83
STORAGE ................................................................................................................. 84
VEHICLE STORAGE ............................................................................................. 84
REMOVING THE VEHICLE FROM STORAGE..................................................... 84
TROUBLESHOOTING............................................................................................... 85
ENGINE TROUBLESHOOTING ............................................................................ 85
BATTERY TROUBLESHOOTING ......................................................................... 86

CONTENTS
MACHINE TROUBLESHOOTING ......................................................................... 87
OPTIONS................................................................................................................... 88