HYDRAULIC SYSTEM INFORMATION
Glossary Of Hydraulic / Hydrostatic Symbols
Troubleshooting The Hydraulic Circuit
Troubleshooting The Cylinder Circuit .
Troubleshooting The Swing (Upperstructure Slew) Circuit
Troubleshooting The Travel Circuit .
CYLINDER (BOOM)
Testing
Removal And Installation
Parts Identification
Disassembly
Assembly
CYLINDER (ARM)
Disassembly
CYLINDER (BOOM SWING)
20-21-5
Assembly
CYLINDER (CLAMP)
VALVES (MAIN RELIEF)
Testing And Adjusting
VALVES (PORT RELIEF)
Testing And Adjusting
VALVES (CROSS PORT RELIEF)
Testing
VALVES (PILOT PRESSURE RELIEF)
Testing And Adjusting
HYDRAULIC CONTROL VALVE
Parts Identification
Disassembly
Auxiliary Valve Section Disassembly And Assembly .
Arm Valve Section Disassembly And Assembly
RH Travel Valve Section Disassembly And Assembly .
Bucket Valve Section Disassembly And Assembly
Boom Valve Section Disassembly And Assembly
LH Travel Valve Section Disassembly And Assembly
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20-40-6
20-40-17
20-40-19
20-40-23
20-40-26
20-40-29
20-40-32
20-40-33 “Priority Valve” Valve Section Disassembly And Assembly
20-40-34 Blade Valve Section Disassembly And Assembly
Boom Swing Valve Section Disassembly And Assembly
Slew Valve Section Disassembly And Assembly
PUMP
Torque Adjustment
Testing The Piston Pump P1
Testing The Piston Pump P2
Testing The Gear Pump P3
Testing The Gear Pump P4
Testing Auxiliary Hydraulic Flow
Removal And Installation
Coupler Removal And Installation
Hydraulic Pump Startup
Gear Pump Disassembly And Assembly
Piston Pump Parts Identification
Piston Pump Disassembly And Assembly
20-40-36
20-40-39
20-50-3
20-50-5
20-50-6
20-50-8
20-50-11
20-50-12
20-50-13
20-50-14
20-50-15
SWING MOTOR (S/N AJRY11001 - AJRY12382)
SWING MOTOR (S/N AJRY12383 & ABOVE, B33211001 & ABOVE AND B3JE11001 & ABOVE)
Handle Removal And Installation
LEFT CONTROL LEVER (JOYSTICK) (S/N AJRY11001 - AJRY12331) .
Handle Removal And Installation .
Joystick Assembly Removal And Installation
Parts Identification
Disassembly
LEFT CONTROL LEVER (JOYSTICK) (S/N AJRY12332 & ABOVE, B33211001 & ABOVE AND B3JE11001 & ABOVE)
Testing
Handle Removal And Installation
Joystick Assembly Removal And Installation
Parts Identification
Disassembly
Assembly
HYDRAULIC FILTER MOUNT
Removal And Installation
20-121-1
20-121-1
20-121-2
20-121-5
20-130-1
20-130-1 HYDRAULIC RESERVOIR
Removal And Installation
Removal And Installation
Removal And Installation
Disassembly And Assembly
