Hitachi ZX10U-6 Excavator WAAA50-EN-01 (Preview)
WAAA50-EN-01
INTRODUCTION
CONTENTS
SAFETY
RECOGNIZE SAFETY INFORMATION
UNDERSTAND SIGNAL WORDS
FOLLOW SAFETY INSTRUCTIONS
PREPARE FOR EMERGENCIES
WEAR PROTECTIVE CLOTHING
PROTECT AGAINST NOISE
INSPECT MACHINE
USE HANDHOLDS AND STEPS
FASTEN YOUR SEAT BELT (ROLL BAR EQUIPPED MACHINES)
MOVE AND OPERATE MACHINE SAFELY
OPERATE ONLY FROM OPERATOR’S SEAT
JUMP STARTING
INVESTIGATE JOB SITE BEFOREHAND
PROVIDE SIGNALS FOR JOBS INVOLVING MULTIPLE NUMBERS OF MACHINES
CONFIRM DIRECTION OF MACHINE TO BE DRIVEN
DRIVE MACHINE SAFELY
AVOID INJURY FROM ROLLAWAY ACCIDENTS
AVOID INJURY FROM BACK-OVER AND SWING ACCIDENTS
KEEP PERSONNEL CLEAR FROM WORKING AREA
NEVER POSITION BUCKET OVER ANYONE
AVOID UNDERCUTTING
AVOID TIPPING
NEVER UNDERCUT A HIGH BANK
DIG WITH CAUTION
OPERATE WITH CAUTION
AVOID POWER LINES
DO NOT USE FOR CRANING OPERATIONS
P
ROTECT AGAINST FLYING DEBRIS
PARK MACHINE SAFELY
HANDLE FLUIDS SAFELY — AVOID FIRES
SAFETY TRANSPORTING
PRACTICE SAFE MAINTENANCE
WARN OTHERS OF SERVICE WORK
SUPPORT MACHINE PROPERLY
STAY CLEAR OF MOVING PARTS
PREVENT PARTS FROM FLYING
STORE ATTACHMENTS SAFELY
PREVENT BURNS
REPLACE RUBBER HOSES PERIODICALLY
AVOID HIGH-PRESSURE FLUIDS
PREVENT FIRES
EVACUATING IN CASE OF FIRE
BEWARE OF EXHAUST FUMES
PRECAUTIONS FOR WELDING AND GRINDING
AVOID HEATING NEAR PRESSURIZED FLUID LINES
AVOID APPLYING HEAT TO LINES CONTAINING FLAMMABLE FLUIDS
REMOVE PAINT BEFORE WELDING OR HEATING
PREVENT BATTERY EXPLOSIONS
PRECAUTIONS FOR HANDLING REFRIGERANT
H
ANDLE CHEMICAL PRODUCTS SAFELY
DISPOSE OF WASTE PROPERLY
SECTION 1
GENERAL
Group 1 Precautions for Disassembling and Assembling
PRECAUTIONS FOR DISASSEMBLING
AND ASSEMBLING
Group 2 Tightening
TIGHTENING TORQUE SPECIFICATIONS
TORQUE CHART
PIPING JOINT
PERIODIC REPLACEMENT OF PARTS
Group 3 Painting
PAINTING
Group 4 Bleeding Air
BLEED AIR FROM HYDRAULIC OIL TANK
SECTION 2
UPPERSTRUCTURE
Group 1 Main Frame
REMOVE AND INSTALL MAIN FRAME
Group 2 Pump Device
REMOVE AND INSTALL PUMP DEVICE
DISASSEMBLE PUMP DEVICE
ASSEMBLE PUMP DEVICE
STRUCTURE OF PILOT PUMP
Group 3 Control Valve
REMOVE AND INSTALL CONTROL VALVE
DISASSEMBLE AND ASSEMBLE CONTROL VALVE
DISASSEMBLE BODY
ASSEMBLE BODY
DISASSEMBLE SPOOL
ASSEMBLE SPOOL
DISASSEMBLE AND ASSEMBLE CHECK VALVE
Group 4 Swing Device
REMOVE AND INSTALL SWING DEVICE
DISASSEMBLE SWING DEVICE
ASSEMBLE SWING DEVICE
Group 5 Pilot Valve
REMOVE AND INSTALL PILOT VALVE
DISASSEMBLE PILOT VALVE
ASSEMBLE PILOT VALVE
Group 6 Solenoid Valve
REMOVE AND INSTALL 2-SPOOL SOLENOID VALVE
DISASSEMBLE 2-SPOOL SOLENOID VALVE
ASSEMBLE 2-SPOOL SOLENOID VALVE
REMOVE AND INSTALL AIR BLEED SOLENOID VALVE
STRUCTURE OF AIR BLEED SOLENOID VALVE
SECTION 3 UNDERCARRIAGE
Group 1 Swing Bearing
REMOVE AND INSTALL SWING BEARING
Group 2 Travel Device
REMOVE AND INSTALL TRAVEL DEVICE
DISASSEMBLE TRAVEL DEVICE
ASSEMBLE TRAVEL DEVICE
DISASSEMBLE TRAVEL MOTOR
ASSEMBLE TRAVEL MOTOR
DISASSEMBLE AND ASSEMBLE BRAKE VALVE
MAINTENANCE STANDARD
Group 3 Center Joint
REMOVE AND INSTALL CENTER JOINT
DISASSEMBLE CENTER JOINT
ASSEMBLE CENTER JOINT
Group 4 Track Adjuster
REMOVE AND INSTALL TRACK ADJUSTER
DISASSEMBLE AND ASSEMBLE TRACK ADJUSTER
Group 5 Front Idler
REMOVE AND INSTALL FRONT IDLER
DISASSEMBLE AND ASSEMBLE FRONT IDLER
MAINTENANCE STANDARD
Group 6 Upper and Lower Roller
REMOVE AND INSTALL LOWER ROLLER
STRUCTURE OF LOWER ROLLER
MAINTENANCE STANDARD
Group 7 Track
REMOVE AND INSTALL TRACK
MAINTENANCE STANDARD
SECTION 4 FRONT ATTACHMENT
Group 1 Front Attachment
REMOVE AND INSTALL FRONT ATTACHMENT
MAINTENANCE STANDARD
STANDARD DIMENSIONS FOR ARM AND BUCKET CONNECTION
Group 2 Cylinder
REMOVE AND INSTALL CYLINDER
DISASSEMBLE BOOM CYLINDER
ASSEMBLE BOOM CYLINDER
DISASSEMBLE ARM CYLINDER
ASSEMBLE ARM CYLINDER
DISASSEMBLE BUCKET AND BOOM SWING CYLINDERS
ASSEMBLE BUCKET AND BOOM SWING CYLINDERS
DISASSEMBLE SIDE FRAME EXTEND/RETRACT CYLINDER
ASSEMBLE SIDE FRAME EXTEND/RETRACT CYLINDER
DISASSEMBLE BLADE CYLINDER
ASSEMBLE BLADE CYLINDER
MAINTENANCE STANDARD
SERVICE MANUAL REVISION REQUEST FORM
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