New Holland Mini Excavator E40.2 E50.2 SR service manual

Description New Holland Mini Excavator E40.2 E50.2 SR service manual

New Holland Mini Excavator E40.2SR, E50.2SR pdf service & repair manual

Specifications, troubleshooting, maintenance, electrical diagrams, hydraulic schematics, technical documentation, assembly, disassembly, removal, installation and other information

MANUAL CONTENT:
Introduction
SAFETY RULES
General precautions for repairs
International unit conversion system

SPECIFICATION
Identification data
Summary plate for maintenance operations
Basic components of the mini excavator
Technical specifications
Digging performances (canopy)
Digging performances (cab)
Transport dimensions (cab)
Lifting capacities (cab)
Lifting capacities (canopy)
Machine and components weight (dry)
Buckets application
Filling chart

TOOLS
Tools of cylinders
Tool of hydraulic pump
Tool of pilot valve track
Tool of roller track
Tool of idler adjuster
Tools of travel motor

STANDARD MAINTENANCE TIME TABLE
MAINTENANCE STANDARDS AND TEST PROCEDURES
Performance inspection standard table
Measuring engine speed
Measuring hydraulic oil pressure
Measuring travel performances
Measuring slew performances
Measuring attachment operating performances
Measuring crawler tension

HYDRAULIC SYSTEM
Function and features of hydraulic circuit
Hydraulic circuits and components
Hydraulic circuit operation

ELECTRICAL SYSTEM

ATTACHMENT
Bucket
Arm
Boom
Swing
Dozer
Hydraulic cylinders

UPPER STRUCTURE
Canopy
Guard
Floor plate
Battery
Counterweight
Fuel tank
Hydraulic oil tank
Air cleaner
Muffler
Hydraulic pump
Radiator
Engine
Control valve
Solenoid valve
Pilot valve
Pilot valve travel
Slew motor
Joint swivel
Selector valve
Upper frame

TRAVEL SYSTEM
Low structure
Crawler
Slide plate
Roller tracks
Idler adjuster
Sprocket
Travel motor
Slew bearing
Lower frame

TROUBLESHOOTING HYDRAULIC SYSTEM
Trouble diagnosis: Hydraulic
Troubleshooting

TROUBLESHOOTING ELECTRICAL SYSTEM
Trouble diagnosis: Electrical
Troubleshooting

TROUBLESHOOTING ENGINE
Trouble diagnosis: Engine
Troubleshooting

ENGINE
Specifications and Performance
Cross Sectional Views
Cooling water, lubricating oil and fuel oil
Troubleshooting
Measuring instruments
Measurement, inspection and adjustment
Adjustment the valve head clearance
Checking the v-belt tension
Measuring and checking the injection pressure and spray patterns of the fuel injection valve
Checking and adjustament the fuel injection timing
Adjustament the no-load maximum (or minimum) revolutions
Checking the cooling water system and radiator for water leakage
Checking the battery
Checking the oil cooler
Checking the piston cooling nozzle
Measuring Procedure, Service Data and Corrective Action
Disassembly and reassembly
Service data
Tightening torque
Fuel injection pump for indirect injection system
Fuel Injection Pump for Direct Injection System
Governor
Turbocharger