Bobcat Hydraulic Breaker 6720280 (6-12) (Preview)
MAINTENANCE SAFETY
ALPHABETICAL INDEX
CONTENTS
SERIAL NUMBER LOCATIONS & HYDRAULIC BREAKER IDENTIFICATION
Serial Number Locations (1250, 1250X)
Hydraulic Breaker Identification (1250, 1250X)
Serial Number Locations (1560)
Hydraulic Breaker Identification (1560)
Serial Number Locations (2500/3500 & 5500)
Hydraulic Breaker Identification (2500/3500 & 5500)
Serial Number Locations (2560/3560)
Hydraulic Breaker Identification (2560/3560)
Serial Number Locations (2570/3570)
Hydraulic Breaker Identification (2570/3570)
Serial Number Locations (5060)
Hydraulic Breaker Identification (5060)
Serial Number Locations (6560)
Hydraulic Breaker Identification (6560)
1250, 1250X HYDRAULIC BREAKER SERVICE
ACCUMULATOR
Charging The Accumulator
Hydraulic Breaker Lubrication
Checking Mounting Bolt Torque
TROUBLESHOOTING THE HYDRAULIC BREAKER
PARTS IDENTIFICATION
DISASSEMBLY
Breaker Frame Removal and Installation
Return Pressure Compensating (RPC) Valve Removal and Installation
Upper Body Removal and Installation
Lower Body Removal and Installation
Flow Sleeve Removal and Installation
Accumulator Removal and Installation
Charge Valve Removal and Installation
Diaphragm Removal and Installation
Checking Breaker Bushings
Bushing Removal
Bushing Installation
ASSEMBLY
SPECIFICATIONS
1560 HYDRAULIC BREAKER SERVICE
NITROGEN CHAMBER
Releasing Pressure From the Nitrogen Chamber
Checking The Nitrogen Chamber Charge Pressure
Charging The Nitrogen Chamber
HYDRAULIC BREAKER LUBRICATION
CHECKING MOUNTING BOLT TORQUE
TROUBLESHOOTING THE HYDRAULIC BREAKER
PARTS IDENTIFICATION
DISASSEMBLY AND ASSEMBLY
Breaker Frame Removal and Installation
Shuttle Valve
Charge Valve
Upper Section Removal and Installation
Piston
Seal Carrier
Sleeve Removal and Installation
Bushing Removal and Installation
SPECIFICATIONS
2500/3500 HYDRAULIC BREAKER SERVICE
NITROGEN CHAMBER
Checking The High Pressure Accumulator Pressure
Charging the High Pressure Accumulator
Checking The Low Pressure Accumulator Pressure
Charging the Low Pressure Accumulator
Checking The Nitrogen Chamber Charge Pressure
Charging the Nitrogen Chamber
HYDRAULIC BREAKER LUBRICATION
CHECKING MOUNTING BOLT TORQUE
TROUBLESHOOTING THE HYDRAULIC BREAKER
PARTS IDENTIFICATION
DISASSEMBLY AND ASSEMBLY
Breaker Frame Removal and Installation
Nitrogen Chamber Removal and Installation
Manifold Removal
Piston Removal
Valve Removal and Installation
Valve Cylinder Removal
Main Body Removal
Lower Body Bushings Removal
Nitrogen Chamber Disassembly and Assembly
Accumulator
Seals Installation
Start Up Procedure
SPECIFICATIONS (2500)
SPECIFICATIONS (3500)
2560/3560 HYDRAULIC BREAKER SERVICE
NITROGEN CHAMBER
Releasing Pressure From The Nitrogen Chamber
Checking The Nitrogen Chamber Charge Pressure
Charging the Nitrogen Chamber
TROUBLESHOOTING THE HYDRAULIC BREAKER
PARTS IDENTIFICATION
DISASSEMBLY AND ASSEMBLY
Nitrogen Chamber Removal and Installation
Piston Removal
Piston Sleeve Removal
Valve Removal and Installation
Main Body Removal and Installation
Installing Piston Sleeve
Lower Section Bushings Removal and Installation
Piston and Seal Carrier Installation
Start Up Procedure
SPECIFICATIONS
2570/3570 HYDRAULIC BREAKER SERVICE
NITROGEN CHAMBER
Releasing Pressure From The Nitrogen Chamber
Checking The Nitrogen Chamber Charge Pressure
Charging The Nitrogen Chamber
Checking The Accumulator Charge Pressure
Releasing Pressure From The Accumulator
Charging The Accumulator
HYDRAULIC BREAKER LUBRICATION
CHECKING MOUNTING BOLT TORQUE
TOOL BIT REMOVAL AND INSTALLATION
TROUBLESHOOTING THE HYDRAULIC BREAKER
PARTS IDENTIFICATION
DISASSEMBLY AND ASSEMBLY
Breaker Frame Removal And Installation
Nitrogen Chamber Removal And Installation
Nitrogen Chamber Disassembly And Assembly
Piston Removal And Installation
Piston Sleeve Removal
Piston Sleeve Installation
Valve Removal And Installation
Upper Housing Removal And Installation
Accumulator Removal And Installation
Bushing Removal And Installation
Tool Bit Retaining Pins Removal And Installation
Start Up Procedure
SPECIFICATIONS
5060 HYDRAULIC BREAKER SERVICE
NITROGEN CHAMBER
Releasing Pressure From The Nitrogen Chamber
Checking The Nitrogen Chamber Charge Pressure
Charging The Nitrogen Chamber
BOB-TACH INSPECTION
HYDRAULIC BREAKER MOUNT INSPECTION
HYDRAULIC BREAKER LUBRICATION
DAILY INSPECTION
TOOL BIT REMOVAL AND INSTALLATION
LOADER MOUNT REMOVAL AND INSTALLATION
X-CHANGE MOUNT REMOVAL AND INSTALLATION
TROUBLESHOOTING
PARTS IDENTIFICATION
DISASSEMBLY AND ASSEMBLY
Breaker Frame Removal And Installation
Wear Plate Removal And Installation
Lower Bumper Removal And Installation
Nitrogen Chamber Removal And Installation
Charge Valve Removal And Installation
Piston Removal And Installation
Center Housing Removal And Installation
Valve Removal And Installation
Center Housing Disassembly And Assembly
Bushing Removal And Installation
Lower Housing Disassembly And Assembly
Lower Housing Removal And Installation
Start Up Procedure
SPECIFICATIONS
5500 HYDRAULIC BREAKER SERVICE
NITROGEN CHAMBER
Checking The High Pressure Accumulator Pressure
Charging the High Pressure Accumulator
Checking The Low Pressure Accumulator Pressure
Charging the Low Pressure Accumulator
Checking The Nitrogen Chamber Charge Pressure
Charging the Nitrogen Chamber
HYDRAULIC BREAKER LUBRICATION
CHECKING MOUNTING BOLT TORQUE
TROUBLESHOOTING THE HYDRAULIC BREAKER
PARTS IDENTIFICATION
DISASSEMBLY AND ASSEMBLY
Nitrogen Chamber Removal
Manifold Removal
Piston Removal
Valve Removal
Main Body Removal
Lower Body Bushings Removal
Nitrogen Chamber Disassembly and Assembly
Accumulator
Seals and Poly-Pak Installation
Start Up Procedure
SPECIFICATIONS
6560 HYDRAULIC BREAKER SERVICE
NITROGEN CHAMBER
Releasing Pressure From The Nitrogen Chamber
Charging The Nitrogen Chamber
Checking The Nitrogen Chamber Charge Pressure
HYDRAULIC BREAKER LUBRICATION
CHECKING MOUNTING BOLT TORQUE
TROUBLESHOOTING THE HYDRAULIC BREAKER
PARTS IDENTIFICATION
DISASSEMBLY AND ASSEMBLY
Breaker Frame Removal and Installation
Shuttle Valve
Charge Valve
Upper Body Removal and Installation
Seal Carrier Removal
Seal Carrier Repair
Piston Removal
Sleeve Removal
Bumper Pad Removal and Installation
Bushing Removal and Installation
Tool Retaining Pin Removal and Installation
Sleeve Installation
Piston and Seal Carrier Installation
Tie Rod Installation
SPECIFICATIONS
SMR
HB-1
HB-2
HB-3
HB-4
HB-5
HB-6
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