New Holland Wheel Loader LW190.B service manual

Description New Holland Wheel Loader LW190.B service manual

New Holland Wheel Loader LW190B pdf service & repair manual

Technical data, specifications, troubleshooting, maintenance, electrical diagrams, hydraulic schematics, disassembly, assembly, removal, installation and other information

MANUAL CONTENT:
GENERAL SPECIFICATIONS
DATA - MOUNTING CLEARANCES
INJECTION PUMP SETTING DATA
OUTER VIEWS
ENGINE SUPPORTS
MAIN TIGHTENING TORQUES AND PRESSURE PICK-UP POINTS
LUBRICATION SYSTEM
COOLING SYSTEM
General description
Radiator
FUEL FEEDING
Fuel reservoir
AIR INTAKE AND EXHAUST SYSTEM
General description
Turbo charger
Air cleaner
ELECTRICAL SYSTEM
Batteries
Starter switch
Starting a cold engine
Engine cut-off device
Engine pre-heating functional sequence
Pre-heating malfunctions indicator light
Accelerator control linkage

TRANSMISSION
GENERAL DESCRIPTION
TORQUE CONVERTER - TRANSMISSION
TORQUE CONVERTER
TRANSMISSION - TORQUE CONVERTER PUMP
Direction clutch shaft
Power train diagram
Transmission control valve
Transmission control system
Configuration of automatic transmission
DISASSEMBLY/REASSEMBLY OF TRANSMISSION
Disassembly
Reassembly
Troubleshooting guide
Maintenance standards
Tightening torques of main screws
OIL CIRCUIT
PROP SHAFTS
FRONT AND REAR AXLES
Axle
Differential
Final reduction drive units
Axles
WHEELS
Tires

BRAKING SYSTEM
OPERATION
Operating conditions
DISC BRAKE
BRAKE PEDAL VALVE
Circuit separation valve operation inside the braking system
PARKING BRAKE CONTROL VALVE
PARKING BRAKE
Manual release procedure
Disc parking brake operation
Brake disengagement
OTHER COMPONENTS
Brake accumulator
Check valve
BRAKE PEDAL VALVE HYDRAULIC CONNECTIONS
DIAGNOSTICS AND TESTING
Brake control pressure testing test
Min. and max. accumulator recharge pressure adjustment
Parking brake engagement test
Accumulator pre-charge test
Accumulator pre-charge reset instructions
Bleeding the brake system
Brake disc wear check

STEERING SYSTEM
RINCIPLES OF OPERATION OF MAIN PRIORITY VALVE
STEERING VALVE (ORBITROL)
Removal
Main priority valve
Secondary priority valve (optional)
Cushion valve
Cylinders
Multiple check valve

BUCKET BOOMS AND FRAME
BOOMS, BELLCRANK AND BUCKET
General description
Bucket
Bucket automatic leveller
Boom kick-out (optional)
FRAME PIVOT PINS

EQUIPMENT HYDRAULIC SYSTEM
GENERAL DESCRIPTION
OIL CIRCUIT
Equipment hydraulic circuit
HYDRAULIC SYSTEM PUMP
Testing and repair of equipment-steering pump
EQUIPMENT CONTROL VALVE (mechanical)
General description
Operation of control valve
Pressure relief valve
CONTROL VALVE CONTROLS
Control valve controls (variant)
Hydraulic oil reservoir
CYLINDERS
Boom cylinders
Bucket tilting cylinder
L.T.S. ANTI-PITCHING SYSTEM (variant)
Description
Discharge of accumulators
L.T.S. hydraulic system diagram
Functional tests of L.T.S. system
Test of L.T.S. accumulator pre-charge
Instructions for the re-charging of accumulator
SUPPLEMENTARY HYDRAULIC FUNCTION (Variant)

ELECTRICAL SYSTEM
GENERAL LAY-OUT OF ELECTRICAL SYSTEM
LOGIC BOARD
Connections - relays - timers - buzzer
Fuses
CONNECTORS
CAB INSTRUMENT CLUSTER
Indicators on instrument cluster
SWITCH PANEL
GEARSHIFT CONTROL
COMPONENTS ON MACHINE
MACHINE GROUPS ELECTRIC DIAGRAMS

CAB
GENERAL DESCRIPTION
WINDSCREEN WIPERS AND WASHERS
HEATER
Generalities
Main components and specifications
GLASSES
Characteristics
Disassembly and assembly
REPAIR
Cab (removal/installation)
AIR CONDITIONING UNIT
Operating istructions
Technical data
Service precautions
Tool connections
Discharging
Refrigerant charging