New Holland Excavator E50B service manual

Description New Holland Excavator E50B service manual

New Holland Hydraulic Excavator E50B pdf service & repair manual

PIN number PJ06 - and higher

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

MANUAL CONTENT:
GENERAL PRECAUTIONS FOR REPAIRS
PREPARATION BEFORE DISASSEMBLING
SAFETY IN DISASSEMBLING AND ASSEMBLING
DISASSEMBLING AND ASSEMBLING HYDRAULIC EQUIPMENT
ELECTRICAL EQUIPMENT
HYDRAULIC PARTS
WELDING REPAIR
ENVIRONMENTAL MEASURE
INTERNATIONAL UNIT CONVERSION SYSTEM

SPECIFICATIONS
COMPONENTS NAME
MACHINE DIMENSIONS
SPECIFICATIONS AND PERFORMANCE
MACHINE & COMPONENTS WEIGHT (DRY)
TRANSPORTATION
TYPE OF CRAWLER SHOES
TYPE OF BUCKET
ENGINE SPECIFICATIONS
SPECIFICATIONS
ENGINE PERFORMANCE CURVE

ATTACHMENT DIMENSIONS
BOOM
BOOM DIMENSIONAL DRAWINGS
BOOM MAINTENANCE STANDARDS
ARM
ARM DIMENSIONAL DRAWINGS
ARM MAINTENANCE STANDARDS
BUCKET
BUCKET DIMENSIONAL DRAWINGS
DETAIL DIMENSIONAL DRAWINGS OF LUG SECTION
DETAIL DIMENSIONAL DRAWINGS OF BOSS SECTION
DOZER
DOZER DIMENSIONAL DRAWINGS
DOZER MAINTENANCE STANDARDS
SWING
SWING BRACKET DIMENSIONAL DRAWINGS
SWING PORTION MAINTENANCE STANDARDS

TOOLS
TORQUE SPECIFICATIONS FOR CAPSCREWS & NUTS
Metric Coarse Thread Standard Tightening Torque Values.
Make Certain to tighten all Capscrews & Nuts to proper torque values
Metric Fine Thread Standard Tightening Torque values
Make certain to tighten all Capscrews & Nuts to proper torque values
SCREW AND TOOL SIZES
CAPSCREW
TORQUE SPECIFICATIONS FOR JOINTS AND HOSES
JOINTS FOR PIPING (O-RING SEALING TYPE)
HYDRAULIC HOSE (30 DEG. FLARE TYPE)
TORQUE SPECIFICATIONS FOR SLEEVE TYPE TUBE FITTINGS
SLEEVE TYPE TUBE FITTINGS
PLUGS
PLUG FOR HYDRAULIC PIPE JOINT
PLUG FOR HYDRAULIC EQUIPMENT
SPECIAL SPANNERS FOR TUBES
SPECIAL TOOLS
APPLICATION OF SCREW LOCKING AND SEALING COMPOUNDS
COUNTERWEIGHT LIFTING JIG
UPPER FRAME LIFTING JIG

STANDARD MAINTENANCE TIMETABLE
STANDARD WORKING TIME TABLE FOR THE MAINTENANCE OF EXCAVATOR

MAINTENANCE STANDARD AND TEST PROCEDURE
HOW TO USE MAINTENANCE STANDARDS AND PRECAUTIONS
PERFORMANCE INSPECTION STANDARD TABLE
STANDARD VALUE TABLE
MEASURING ENGINE SPEED
ENGINE SPEED MEASUREMENT
MEASURING HYDRAULIC OIL PRESSURE
STANDARD FOR HYDRAULIC OIL PRESSURE MEASUREMENT
PRESSURE MEASUREMENT AND ADJUSTMENT
MEASURING TRAVEL PERFORMANCES
TRAVEL
TRAVEL DEVIATION
MOVEMENT DRIFT DUE TO GRAVITY
DRAIN RATE OF TRAVEL MOTOR
MEASURING SLEW PERFORMANCES
SLEW TIME
OVERRUN WHEN SLEWING STOPS
SLEW DRIFT DUE TO GRAVITY
DRAIN RATE OF SLEW MOTOR
MEASURING ATTACHMENT OPERATING PERFORMANCES
CYLINDER SPEED
GRAVITY DRIFT OF CYLINDERS
MEASURING SLEW BEARING PERFORMANCES

HYDRAULIC SYSTEM
SUMMARY
FUNCTION AND FEATURES OF HYDRAULIC CIRCUIT
HYDRAULIC CIRCUITS AND COMPONENT MODELS
STANDARD SPECIFICATION
ANGLE DOZER SPECIFICATION
HYDRAULIC CIRCUIT OPERATION
COLOR CODING STANDARD FOR HYDRAULIC
NEUTRAL CIRCUIT
TRAVEL OPERATING CIRCUIT
SLEW OPERATING CIRCUIT
BUCKET OPERATING CIRCUIT
BOOM OPERATING CIRCUIT
ARM OPERATING CIRCUIT
SWING OPERATING CIRCUIT
DOZER OPERATING CIRCUIT
NIBBLER & BREAKER OPERATING CIRCUIT
TRAVEL / DOZER COMBINED OPERATING CIRCUIT
TRAVEL / BOOM COMBINED OPERATING CIRCUIT
SCHEMATIC PIPING FOR HYDRAULIC SYSTEM

ELECTRICAL SYSTEM
HOW TO READ CIRCUIT DIAGRAM AND HARNESS CONNECTION
ELECTRIC CIRCUIT DIAGRAM
HARNESS CONNECTION
ELECTRICAL EQUIPMENT & HARNESS
ELECTRICAL EQUIPMENT LIST
HARNESS & CABLE LIST
ELECTRIC CIRCUIT DIAGRAM
ARRANGEMENT DRAWING FOR COMPONENTS & HARNESS
DETAIL OF HARNESS & CABLE

COMPONENTS SYSTEM
HYDRAULIC COMPONENTS
HYDRAULIC PUMP
PILOT VALVE (ATT)
PILOT VALVE (TRAVEL)
CONTROL VALVE
SLEWING MOTOR
TRAVEL MOTOR
SWIVEL JOINT
CYLINDER
ELECTRICAL EQUIPMENT
SPECIFICATIONS ELECTRICAL EQUIPMENT

GENERAL DISASSEMBLY AND ASSEMBLY
CONTENTS OF GENERAL DISASSEMBLY AND ASSEMBLY
SPECIFICATION OF TIGHTENING TORQUE

ATTACHMENTS
REMOVING AND INSTALLING
ATTACHMENT ASSEMBLY AND NAME
BUCKET
ARM
BOOM
SWING
DOZER
DISASSEMBLING AND ASSEMBLING
CYLINDER

UPPER SLEWING STRUCTURE
REMOVING AND INSTALLING
CANOPY / CAB
GUARD (COVER)
FLOOR PLATE ASSEMBLY
BATTERY
COUNTERWEIGHT
PUMP
CONTROL VALVE
SOLENOID VALVE
MULTI-CONTROL VALVE
FUEL TANK
HYDRAULIC OIL TANK
AIR CLEANER
GENERATOR
MUFFLER
CONTROL STAND
STARTER
RADIATOR
ENGINE
PILOT VALVE
SLEWING MOTOR
SWIVEL JOINT
UPPER FRAME
DISASSEMBLING AND ASSEMBLING
HYDRAULIC PUMP
CONTROL VALVE
PILOT VALVE (ATTACHMENT)
PILOT VALVE (TRAVEL)
SLEWING MOTOR
SWIVEL JOINT

TRAVEL SYSTEM
REMOVING AND INSTALLING
NAME OF TRAVEL SYSTEM PARTS
CRAWLER
UPPER ROLLER
MAINTENANCE STANDARDS
TOOLS AND JIGS
LOWER ROLLER
FRONT IDLER
IDLER ADJUSTER
SPROCKET
TRAVEL MOTOR
SLEWING BEARING
DISASSEMBLING AND ASSEMBLING
TRAVEL MOTOR

TROUBLESHOOTING (HYDRAULIC SYSTEM)
GENERAL PRECAUTIONS
CONFIRM ACTUAL TROUBLED CONDITIONS AT SITE
TROUBLE DIAGNOSIS : HYDRAULIC
TROUBLESHOOTING
ATTACHMENT
TRAVEL OPERATION
SLEWING OPERATION
PUMP

TROUBLESHOOTING (ELECTRICAL SYSTEM)
TROUBLE DIAGNOSIS : ELECTRIC SYSTEM
TROUBLESHOOTING
GENERAL
ATTACHMENT OPERATION
TRAVEL OPERATION
DECELERATION

TROUBLESHOOTING (ENGINE)
TROUBLE DIAGNOSIS : ENGINE
TROUBLESHOOTING
STARTING TROUBLE
E/G ROTATION TROUBLE
OUTPUT DROPS DOWN
OTHER TROUBLE