Bobcat 425 and 428 Compact Excavator Service Repair Manuals

Bobcat 425 and 428 Compact Excavator Schematics, Operating and Service Repair Manual
Language English
425 & 425: S/N A1HW11001 & Above
425 & 425: S/N A52011001 & Above
Service Manual – 770 Pages & 691 Pages
Operation & Maintenance Manual – 170 Pages
425: S/N AACJ11001 & Above
425: S/N A9K311001 & Above
428: S/N A9K411001 & Above
Service Manual – 712 Pages
Operation & Maintenance Manual – 178 Pages
FOREWORD
SAFETY INSTRUCTIONS
FIRE PREVENTION
SERIAL NUMBER LOCATIONS
DELIVERY REPORT
BOBCAT EXCAVATOR IDENTIFICATION
SAFETY AND MAINTENANCE
ALTERNATOR BELT
AIR CLEANER
CONTROL CONSOLE LOCKOUTS
COOLING SYSTEM
ENGINE LUBRICATION SYSTEM
EXCAVATOR STORAGE AND RETURN TO SERVICE
FOLD-DOWN TOPS
FUEL SYSTEM
HYDRAULIC SYSTEM
LIFTING AND BLOCKING THE EXCAVATOR
LIFTING THE EXCAVATOR
LUBRICATION OF THE HYDRAULIC EXCAVATOR
MOTION ALARM (IF EQUIPPED)
SEAT BELT
SERVICE SCHEDULE
SPARK ARRESTER MUFFLER
STOPPING THE ENGINE AND LEAVING THE EXCAVATOR
TAILGATE
TRANSPORTING THE EXCAVATOR ON A TRAILER
TRAVEL MOTOR
UPPERSTRUCTURE SLEW LOCK
HYDRAULIC SYSTEM
ARM CYLINDER
BLADE CYLINDER
BLADE / TRACK EXPAND VALVE
BOOM CYLINDER
BOOM SWING CYLINDER
BUCKET CYLINDER
BUILD-UP VALVE
CONTROL PATTERN SELECTOR VALVE
HYDRAULIC CONTROL VALVE
HYDRAULIC PUMP
HYDRAULIC RESERVOIR
HYDRAULIC SYSTEM INFORMATION
LEFT CONTROL LEVER (JOYSTICK)
MAIN RELIEF VALVE
MANIFOLD ASSEMBLY / ACCUMULATOR
OIL COOLER (IF EQUIPPED)
PORT RELIEF VALVES
PRESSURE REDUCING VALVE
RIGHT CONTROL LEVER (JOYSTICK)
SLEW MOTOR
SWIVEL JOINT
TRACK FRAME EXPANSION CYLINDER
TRAVEL MOTOR
TWO SPEED CONTROL VALVE
UNDERCARRIAGE
BLADE
SWING CIRCLE GEAR
TRACK DAMAGE IDENTIFICATION
TRACK FRAME
TRACK IDLER
TRACK ROLLER
TRACKS
UPPERSTRUCTURE AND SWING SECTION
ARM
BLADE CONTROL
BOOM
BUCKET
COUNTER WEIGHTS
ENGINE SPEED CONTROL
FLOOR PANELS
FUEL TANK
HORN
INSTRUMENT PANEL
LEFT CONSOLE
LEFT PEDAL
RIGHT CONSOLE
RIGHT PEDAL
SEAT
SIDE COVERS
SWING FRAME
TAILGATE
TOPS
TRAVEL CONTROLS
UPPERSTRUCTURE
UPPERSTRUCTURE SLEW LOCK
ELECTRICAL SYSTEM AND ANALYSIS
ALTERNATOR
BATTERY
ELECTRICAL SYSTEM INFORMATION
FUEL LEVEL SENDER
LIGHTS
MICROSWITCH
STARTER
ENGINE SERVICE
AIR CLEANER
ENGINE
ENGINE COMPONENTS AND TESTING
FLYWHEEL AND HOUSING
RADIATOR
RECONDITIONING THE ENGINE
SPARK ARRESTOR MUFFLER
TROUBLESHOOTING
SPECIFICATIONS
CONVERSIONS
ENGINE SPECIFICATIONS
HYDRAULIC CONNECTION SPECIFICATIONS
HYDRAULIC FLUID SPECIFICATIONS
SPECIFICATIONS 425 EXCAVATOR
TORQUE SPECIFICATIONS FOR BOLTS

Bobcat 425 and 428 service manual instructions are necessary before operating or servicing machine. Read and understand the Operation & Maintenance Manual, Operator s Handbook and signs (decals) on machine. Follow warnings and instructions in the manuals when making repairs, adjustments or servicing. Check for correct function after adjustments, repairs or service. Untrained operators and failure to follow instructions can cause injury or death.

These manual is for the Bobcat 425 and 428 Excavator. It provides necessary servicing and adjustment procedures for the Bobcat 425 and 428 Excavator and its component parts and systems. Refer to the Operation & Maintenance Manual and service manual for operating instructions, repair, starting procedure, daily checks, etc.