Kubota BX1880, BX2380, BX2680, RCK60B-23BX, RCK54-23BX, RCK48-18BX, RCK60D-26BX and 1 more Mower Service Manual
437 pages · Publication 9Y111-16342 · BX1880, BX2380, BX2680, RCK60B-23BX, RCK54-23BX, RCK48-18BX, RCK60D-26BX, RCK54D-26BX Tractor
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- Models
- BX1880, BX2380, BX2680, RCK60B-23BX, RCK54-23BX, RCK48-18BX, RCK60D-26BX, RCK54D-26BX Tractor
- Manual type
- Service Manual
- Pages
- 437
- Publication
- 9Y111-16342
- Condition
- Brand new
What's inside
From the manual's own table of contents: 48 sections, 694 entries. See sample pages (PDF, 809 KB)
SAFETY FIRST11 topics
- Before you start service
- Start safely
- Operate safely
- Avoiding high pressure fluid
- Avoiding hot exhaust
- Cleaning exhaust filter
- Prevent a fire
- Keep a good airflow in the work area
- Discard fluids correctly
- Prevent acid burns
- Preparing for emergencies
SAFETY LABEL3 topics
- Safety labels for BX tractor
- Safety labels for mower
- Care of danger, warning and caution labels
SPECIFICATIONS3 topics
- BX tractor specifications
- Mower specifications (RCK60B-23BX, RCK54-23BX and RCK48-18BX)
- Mower specifications (RCK60D-26BX and RCK54D-26BX)
TRAVELING SPEEDS
DIMENSIONS
IDENTIFICATION4 topics
- Tractor identification
- Checking serial number and hour meter
- Cylinder number
- Checking mower identification
GENERAL PRECAUTIONS
HANDLING PRECAUTIONS FOR ELECTRICAL PARTS AND WIRING
LUBRICANTS, FUEL AND COOLANT8 topics
- BX tractor
- Lubricants, fuel, and coolant
- Fuel
- Engine oil
- Transmission oil
- Overview of biodiesel fuel (BDF)
- Mower
- Lubricants
TIGHTENING TORQUES5 topics
- General use screws, bolts and nuts
- Stud bolts
- Metric screws, bolts and nuts
- American standard screws, bolts and nuts with UNC or UNF threads
- Plugs
MAINTENANCE CHECK LIST2 topics
- BX tractor service intervals
- Mower service intervals
CHECK AND MAINTENANCE85 topics
- Periodic service
- Opening bonnet
- Daily check
- Walk around inspection
- Checking fuel gauge and refueling
- Checking engine oil level
- Checking transmission fluid level
- Checking coolant level
- Cleaning panel and radiator screen
- Checking brake pedal
- Checking gauges, meters, and Easy Checker ™
- Checking head light, hazard light, and tail light
- Checking seat belt and ROPS
- Checking and cleaning electrical wiring and battery cables
- Checking movable parts
- Check points of initial 50 hours
- Changing engine oil
- Replacing engine oil filter
- Replacing transmission oil filter
- Check points of every 50 hours
- Greasing
- Checking engine start system
- Checking operator presence control (OPC) system
- Checking wheel bolt torque
- Cleaning lock lever shaft
- Check points of every 100 hours
- Checking battery condition
- Cleaning air cleaner element
- Checking fuel filter
- Adjusting fan belt tension
- Adjusting HST neutral spring
- Adjusting brake pedal
- Check point of every 200 hours
- Replacing engine oil filter
- Changing engine oil
- Replacing transmission oil filter
- Adjusting toe-in
- Check points of every 400 hours
- Adjusting front axle pivot
- Changing transmission fluid
- Cleaning transmission strainer
- Changing front axle case oil
- Replacing fuel filter element
- Check points of every 800 hours
- Adjusting engine valve clearance
- Check points of every 1000 hours or 1 year
- Replacing air cleaner element
- Check points of every 1500 hours
- Checking injection pressure of fuel injection nozzle
- Check points of every 2000 hours or 2 years
- Flushing cooling system and changing coolant
- Antifreeze
- Check points of every 3000 hours
- Checking injection pump
- Check points of every 1 year
- Checking intake air line
- Checking radiator hoses and hose clamps
- Checking power steering line
- Checking fuel lines
- Checking engine breather hose
- Check points of every 4 years
- Replacing radiator hose
- Replacing fuel hose
- Replacing power steering hose
- Replacing intake air line
- Replacing engine breather hose
- Service as required
- Bleeding fuel system
- Replacing fuse
- Replacing light bulb
- Check points of daily or each use
- Retightening mower blade screw
- Checking mower blade
- Checking mower belt
- Checking gear box oil level
- Greasing spindle shafts, belt tension pivot and tension pulley
- Greasing balance shaft
- Greasing front and rear anti-scalp rollers
- Greasing universal joint
- Changing gear box oil
- Check point of every 150 hours
- Changing gear box oil
- Checking gear box oil seal
- Check point of every 4 years
- Replacing gear box oil seal
TIRES, WHEELS, AND BALLAST9 topics
- Tires
- Inflation pressure of tires
- Dual tires
- Wheel tread
- Front wheels
- Rear wheels
- Ballast
- Front ballast
- Rear ballast
IMPLEMENT LIMITATIONS2 topics
- Weight of implements as rear ballast
- Implement limitation tables
SPECIAL TOOLS17 topics
- Special tools for engine
- Special use puller set
- Diesel engine compression tester (for injection nozzle)
- Nozzle tester
- Injection pump pressure tester
- Valve guide replacing tool
- Bushing replacing tool
- Flywheel stopper
- Crankshaft bearing 1 replacing tool
- Governor gear holder busing replacing tool
- Special tools for tractor
- Tie-rod end lifter
- Independent PTO clutch spring compression tool
- Disassembling and assembling stand (1/2)
- Disassembling and assembling stand (2/2)
- Check and high pressure relief valve assembly tool
- Quick coupler cartridge socket
MECHANISM
Engine body11 topics
- Function of cylinder block
- Function of closed breather
- Function of half-floating head cover
- Function of piston
- Function of piston ring
- Function of connecting rod
- Function of crankshaft
- Function of camshaft
- Function of rocker arm
- Function of flywheel
- Function of timing gears
Lubricating system6 topics
- Overview of lubricating system
- Function of oil strainer
- Function of oil pump
- Function of oil filter
- Function of relief valve
- Function of oil pressure switch
Cooling system4 topics
- Overview of cooling system
- Function of water pump
- Function of radiator
- Function of radiator cap
Fuel system4 topics
- Overview of fuel system
- Function of fuel filter
- Function of fuel feed pump
- Function of injection nozzle
SERVICING
Troubleshooting for engine
Servicing specifications for engine
Tightening torques for engine
Show all 48 sections
Checking and adjusting83 topics
- Engine body
- Checking compression pressure
- Checking valve clearance
- Lubricating system
- Checking engine oil pressure
- Cooling system
- Checking fan belt tension
- Checking fan belt damage and wear
- Checking radiator cap air leakage
- Checking radiator water leakage
- Checking thermostat valve opening temperature
- Fuel system
- Checking injection timing
- Checking fuel tightness of pump element
- Checking fuel tightness of delivery valve
- Checking nozzle spraying condition
- Checking fuel injection pressure
- Checking valve seat tightness
- Checking nozzle holder
- Disassembling and assembling
- Separating engine
- Draining engine oil
- Removing battery
- Removing bonnet
- Disconnecting wiring harness and ground cables
- Disconnecting fuel hoses
- Disconnecting accelerator wire
- Disconnecting propeller shaft assembly
- Separating engine
- Draining coolant and removing outer engine parts
- Disassembling engine
- Cylinder head and valve
- Gear case and timing gears
- Piston and connecting rod
- Flywheel and crankshaft
- Servicing
- Cylinder head and valve
- Checking top clearance
- Checking cylinder head surface flatness
- Checking cylinder head flaw
- Checking valve recessing
- Checking clearance between valve stem and valve guide
- Replacing valve guide
- Checking valve seating
- Correcting valve
- Correcting valve seat
- Lapping valve
- Checking free length and tilt of valve spring
- Checking valve spring setting load
- Checking oil clearance between rocker arm and rocker arm shaft
- Checking push rod alignment
- Checking oil clearance between tappet and tappet guide bore
- Timing gears, camshaft and governor gear
- Checking timing gear backlash
- Checking idle gear 1 side clearance
- Checking camshaft side clearance
- Checking camshaft alignment
- Checking cam height
- Checking oil clearance of camshaft journal
- Checking oil clearance between idle gear 1 shaft and idle gear bushing
- Replacing idle gear bushing
- Piston and connecting rod
- Checking piston pin bore I.D
- Checking oil clearance between piston pin and small end bushing
- Replacing small end bushing
- Checking connecting rod alignment
- Checking piston ring gap
- Checking clearance between piston ring and piston ring groove
- Crankshaft
- Checking crankshaft side clearance
- Checking crankshaft alignment
- Checking oil clearance between crankpin and crankpin bearing
- Checking oil clearance between crankshaft journal and crankshaft bearing 1
- Replacing crankshaft bearing 1
- Cylinder
- Checking cylinder wear
- Correcting cylinder (Oversize)
- Oil pump
- Checking rotor lobe clearance
- Checking clearance between outer rotor and pump body
- Checking clearance between rotor and cover
- Relief valve spring
- Checking relief valve
Structure of transaxle
Traveling system14 topics
- Hydrostatic transmission
- Structure of hydrostatic transmission
- Oil flow of hydrostatic transmission
- Structure of HST control linkage
- Speed set linkage
- Range gear shift section
- Structure of range gear shift
- Front wheel drive section
- Structure of front wheel drive
- Differential gear section
- Structure of differential gears
- Structure of differential lock
- Brake section
- Structure of brake system
PTO system5 topics
- Structure of PTO system
- Function of PTO clutch relief valve
- Engaged function of PTO clutch
- Disengaged function of PTO clutch
- Structure of mid and rear PTO
Others2 topics
- Hydraulic pump drive gear section
- Structure of hydraulic pump drive gear
Troubleshooting for transaxle
Servicing specifications for transaxle
Tightening torques for transaxle8 topics
- Adjusting maximum speed
- Adjusting HST neutral position
- Checking and adjusting HST neutral spring (dynamic braking)
- Checking charge relief pressure
- Checking high relief pressure (Forward)
- Checking high relief pressure (Reverse)
- Checking PTO clutch operating pressure
- Adjusting brake pedal free travel
Disassembling and assembling65 topics
- Separating transaxle
- Draining transmission fluid
- Removing battery
- Removing lift rod and lower link
- Removing ROPS
- Removing seat
- Removing step
- Removing fender
- Removing fuel tank
- Removing rear wheel
- Removing fender center stay
- Removing fender bracket and hitch plate
- Removing transaxle assembly
- Removing brake pedal
- Removing propeller shaft
- Removing differential lock pedal
- Removing speed control pedal, HST damper, and cruise rod
- Removing levers and mower lift arm
- Removing PTO clutch valve
- Removing oil cooler cover
- Removing center section and valve plates
- Removing check and high pressure relief valve plug
- Checking check and high pressure relief valve
- Removing cylinder block
- Removing cylinder block and piston
- Removing swashplate and trust roller bearing
- Removing 4WD detent ball
- Removing neutral arm and trunnion arm
- Hydraulic cylinder
- Removing hydraulic cylinder
- Transaxle shafts
- Removing transaxle case front cover
- Removing hydraulic pump assembly
- Removing rear PTO cover assembly
- Disassembling rear axle (L.H.)
- Removing rear axle case (R.H.)
- Removing 66T final gear
- Removing rear axle case, R.H. and brake
- Removing PTO clutch assembly
- Assembling shafts
- Assembling select arms and HST pump shaft (PTO clutch shaft)
- Assembling front wheel drive shaft, shifter, spiral bevel pinion shaft and mid-PTO shaft
- Checking center section
- Checking charge relief valve
- Checking check and high pressure relief valve
- Checking cylinder block assembly
- Checking thrust washer, thrust roller bearing, thrust plate and cradle bearing
- Checking pump shaft (PTO clutch shaft)
- Checking needle bearing
- Transaxle case
- Checking bearing
- Checking PTO clutch disc wear
- Checking separate plate and back plate wear
- Checking flatness of clutch piston, pressure plate and steel plate
- Checking clutch spring free length
- Checking PTO brake disc wear
- Checking PTO brake plate
- Checking clearance between differential case and differential side gear
- Checking clearance between differential pinion shaft and differential pinion
- Checking backlash between differential pinion and differential side gear
- Checking backlash between spiral bevel pinion gear and bevel gear
- Checking brake cam lever movement
- Checking flatness of actuator and bearing holder
- Checking height of cam plate and ball
- Checking brake disc and friction plate wear
Structure of front axle
Front wheel alignment4 topics
- Camber of front axle
- Kingpin angle of front axle
- Caster of front axle
- Toe-in of front axle
Troubleshooting for front axle
Servicing specifications for front axle
Tightening torques for front axle18 topics
- Adjusting toe-in
- Adjusting front axle rocking force
- Adjusting front wheel steering angle
- Separating front axle assembly
- Draining front axle case oil
- Removing battery
- Removing bonnet
- Removing front wheel and propeller shaft cover
- Disconnecting propeller shaft
- Removing front axle assembly
- Front axle assembly
- Removing power steering cylinder
- Removing bevel gear case and front gear case
- Removing front gear case cover
- Removing 36T bevel gear and front axle shaft
- Removing front gear case and bevel gear case
- Removing bevel pinion shaft and differential gear assembly
- Removing differential gear
Servicing7 topics
- Checking clearance between differential case and differential side gear
- Checking clearance between differential pinion shaft and differential pinion
- Checking backlash between differential pinion and differential side gear
- Checking turning torque of bevel pinion shaft
- Checking backlash between bevel pinion shaft and bevel gear
- Checking backlash between 12T bevel gear and 15T bevel gear
- Checking clearance between center pin and pin support bushing
Structure of steering system
Hydraulic circuit of steering
Steering controller4 topics
- Structure of steering controller
- Control valve
- Metering device
- Relief valve
Steering cylinder1 topic
- Structure of steering cylinder
Troubleshooting for steering56 topics
- Servicing specifications for steering
- Tightening torques for steering
- Checking and adjusting
- Checking relief valve operating pressure
- Power steering cylinder
- Removing adapter and tie-rod
- Disassembling steering cylinder
- Separating power steering controller
- Removing battery
- Removing steering wheel
- Removing upper panel
- Removing steering controller
- Separating power steering cylinder
- Removing bonnet
- Removing front axle assembly
- Removing power steering cylinder
- Checking steering cylinder I.D
- Checking clearance between rod and guide
- Structure of hydraulic system
- Hydraulic circuit
- Hydraulic pump
- Outline of hydraulic pump
- Structure of hydraulic pump
- Specification of hydraulic pump
- Control valve
- Outline of control valve
- Function of control valve
- Control valve in neutral position
- Control valve in lift position
- Control valve in down position
- Flow priority valve
- Outline of flow priority valve
- Structure of flow priority valve
- Specification of flow priority valve
- Relief valve
- Outline of relief valve
- Structure of relief valve
- Specification of relief valve
- Hydraulic cylinder
- Structure of hydraulic cylinder
- Hydraulic block type outlet
- Structure of hydraulic block type outlet
- Mower linkage
- Structure of mower linkage
- Front loader valve
- Structure
- Structure of front loader valve and pipe
- Structure of front loader control valve
- Front loader hydraulic circuit
- Function of loader control valve
- Loader control lever in neutral position
- Loader control lever in up position
- Loader control lever in down position
- Loader control lever in floating position
- Loader control lever in roll-back position
- Loader control lever in dump position
Troubleshooting for hydraulic system
Servicing specifications for hydraulic system
Tightening torques for hydraulic system203 topics
- Relief valve
- Checking relief valve setting pressure
- Pump and priority valve
- Checking hydraulic pump oil flow
- Checking power steering oil flow
- Mower lift linkage
- Adjusting mower lift linkage
- Hydraulic pump
- Removing battery
- Removing lift rod and lower link
- Removing ROPS
- Removing seat
- Removing step
- Removing fender
- Removing fuel tank
- Removing fender center stay
- Removing hydraulic pump
- Hydraulic cylinder block
- Removing battery
- Removing lift rod and lower link
- Removing ROPS
- Removing seat
- Removing step
- Removing fender
- Removing fuel tank
- Removing fender center stay
- Removing mower linkage and wire harness
- Removing hydraulic cylinder block
- Hydraulic cylinder and control valve
- Removing control valve
- Removing control valve lever
- Removing lift arm, hydraulic arm shaft and hydraulic arm
- Removing hydraulic piston
- Removing lowering speed adjusting valve
- Disassembling mower linkage
- Control valve (Front loader)
- Removing battery
- Removing ROPS
- Removing seat
- Removing step
- Removing fender
- Removing control valve
- Disassembling control valve
- Quick coupler
- Removing quick coupler (tractor side)
- Checking clearance between tip of gear tooth and casing
- Checking clearance between bushing and shaft
- Checking side plate thickness
- Checking hydraulic cylinder bore
- Checking hydraulic arm shaft bushing
- Wiring diagram of BX tractor
- Electrical connector chart
- Reading electrical circuit diagrams
- Electrical wiring chart symbols
- Layout of connector diagrams
- Precautions on handling electrical connectors
- Starting system
- Electrical circuit of starting system
- Function of relay
- Function of starter
- Function of glow plug
- Function of safety switch
- Function of fuel pump
- Operator presence control (OPC) system
- Electrical circuit of OPC timer
- Charging system
- Electrical circuit for charging system
- Function of IC regulator (3P connector type)
- Lighting system
- Electrical circuit for lighting system
- Gauges
- Electrical circuit of gauge system
- Meter panel
- Function of hour meter
- Function of tachometer
- Function of fuel gauge
- Function of coolant temperature gauge
- Function of fuel level sensor
- Function of coolant temperature sensor
- Others
- Electrical circuit for accessory
- Function of DC outlet
- Troubleshooting for electrical system
- Service specifications for electrical system
- Tightening torques for electrical system
- Battery
- Checking battery voltage
- Checking battery terminal connection
- Checking battery specific gravity
- Main switch
- Checking main switch connector voltage
- Checking main switch continuity at off position
- Checking main switch continuity at on position
- Checking main switch continuity at preheat position
- Checking main switch continuity at start position
- Starter
- Checking motor
- Testing starter magnet switch (pull-in, holding coils)
- Glow plug
- Checking glow plug lead terminal voltage
- Checking glow plug continuity
- Safety switch
- Checking PTO shift lever switch continuity
- Checking HST neutral switch continuity
- Operator presence control (OPC) system
- Checking seat switch and seat turnover switch continuity
- Checking OPC timer
- Fuel pump
- Checking fuel pump connector voltage
- Checking fuel pump continuity
- Engine stop solenoid
- Testing engine stop solenoid
- Timer relay
- Checking timer relay connector voltage
- Testing timer relay
- Charging system
- Checking battery charging current
- Combination switch
- Removing combination switch
- Checking combination switch connector voltage
- Checking head light switch continuity when setting switch at OFF position
- Checking head light switch continuity when setting switch at ON position
- Checking turn signal light switch continuity when setting switch knob at OFF position
- Checking turn signal light switch continuity when setting switch knob at RIGHT position
- Checking turn signal light switch continuity when setting switch knob at LEFT position
- Checking hazard switch continuity when setting switch knob at OFF position
- Checking hazard switch continuity when setting switch knob at ON position
- Checking flasher unit connector voltage
- Testing flasher unit actuation
- Gauge
- Checking charge lamp (charging circuit)
- Checking engine oil pressure lamp
- Checking engine oil pressure switch continuity
- Checking fuel level sensor continuity
- Checking coolant temperature sensor connector voltage
- Checking coolant temperature sensor continuity
- Checking hour meter and tachometer
- Accessory
- Checking DC outlet connector voltage
- Checking DC outlet continuity
- Checking connector voltage, sensor resistance and switch
- Disassembling starter motor
- Removing magnet switch
- Removing plunger
- Alternator
- Removing pulley
- Removing rear end cover
- Removing brush holder
- Removing IC regulator
- Removing rectifier
- Removing rear end frame
- Removing rotor
- Removing retainer plate
- Removing bearing on drive end side
- Removing bearing at slip ring side
- Checking overrunning clutch
- Checking commutator and mica
- Checking brush wear
- Checking brush holder
- Checking armature coil
- Checking field coil
- Checking bearing
- Checking stator
- Checking rotor
- Checking slip ring
- Checking brush wear
- Checking rectifier
- Structure of power transmission of mower
- Structure of lifting mechanism of mower
- Structure of self-balancer system of mower
- Troubleshooting for mower
- Servicing specifications for mower
- Tightening torques for mower
- Setting up mower [RCK48-18BX, RCK54-23BX, and RCK60B-23BX]
- Assembling mower
- Setting mower
- Installing universal joint
- Mounting rear link
- Mounting front link
- Setting up mower [RCK54D-26BX and RCK60D-26BX]
- Mounting frame link
- Setting tractor
- Mounting mower
- Checking and adjusting
- Mower adjustment
- Adjusting mower link
- Adjusting front and rear cutting height
- Adjusting left and right cutting height
- Adjusting self-balance suspended linkage
- Adjusting cutting height
- Checking mower blade and belt
- Checking mower blade
- Checking mower belt
- Disassembling and assembling
- Removing universal joint and belt cover
- Removing ramps and belt covers
- Removing mower blades
- Removing blade boss
- Removing gear box and mower belt
- Disassembling gear box
- Removing center pulley holder
- Removing outer pulley and blade shaft
- Removing balancer
Servicing2 topics
- Adjusting turning torque of pinion shaft
- Adjusting backlash between bevel gears
Inside this manual
Real pages from this service manual (437 pages). Open the sample pages (PDF, 808 KB)
- Specifications, page 92: Liquid weight per tire (75 percent filled)
- Diagram, page 356: 6. Charging system
- Troubleshooting, page 404: 1. Troubleshooting for mower
- Color page, page 288: 2. Remove the steering controller mounting screws (9)
- Color page, page 153: 2. Securely attach the lifting chain to the engine hooks
- Foldout diagram, page 437
This is a service manual
Here's how it compares to the other manual types.
This manual
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 437 pages
Quantity one is the manual described above.
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Ships in 1 business day.
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Other editions and similar models
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