Liebherr E934C Hydraulic Excavator Operators Service Repair Manual

Table of Content – Liebherr E934C Hydraulic Excavator Type 1239, 1361, 1382, 1593 Manual

• Front page
• Contents
• Introduction
• 1 General information
  • 1.10 Safety warnings
  • 1.20 Standards and regulations
  • 1.60 Conservation guidelines
• 2 Tools
  • 2.01 Special tools for maintenance and repair
  • 2.03 Special tools for the hydraulic system
  • 2.05 Special Tools for electric diggers
  • 2.06 Special tools for electrical connectors
  • 2.07 Special tools for gears
  • 2.08 Common tools
  • 2.10 Measuring tool for spool travel
  • 2.12 Mounting tools for hydraulic cylinders
  • 2.14 Wrench for the slotted nut on the swing gear SAT
  • 2.15 Compression device for brake piston of gear SAT
  • 2.17 Compression device for brake piston of gear FAT – construction line P(b)
  • 2.18 Compression device for brake piston of gear FAT – construction line P(r)
  • 2.19 Tools for installing the slipring seals
• 3 Technical data / Maintenance guidelines
  • 3.10 Technical data
  • 3.50 Control and maintenance chart
  • 3.65 Maintenance schedule
  • 3.70 Lubrication chart
• 4 Engine / Motor
  • 4.10 Technical data
• 5 Coupling / Splitterbox
  • 5.20 Pump distribution gears – schedule
  • 5.30 Removal & installation of the pumps splitterbox
  • 5.40 Pump distribution gear – construction line MKA 350 B
  • 5.50 Pump distribution gear – construction line MKA 350 C
• 6 Hydraulic system
  • 6.10 Adjustment Check List E934C (50 Hz)
  • 6.11 Adjustment Check List E934C (60 Hz)
  • 6.50 Hydraulic system description E934C – E944C
  • 6.70 Hydraulic Schematics – Components List
  • 6.90 List of hydraulic schematics – Standard executions
• 7 Hydraulic components
  • 7.06 Pumps assembly MKA 350 B 082
  • 7.09 Pumps assembly MKA 350 C 087
  • 7.11 Variable-displacement twin pump DPVP
  • 7.13 LPV variable-displacement pump
  • 7.15 Variable-displacement twin pump LPVD
  • 7.17 Variable displacement pump A4 VG
  • 7.75 1-way rotary connection
  • 7.77 5-way rotary connection
  • 7.78 6-way rotary connection
  • 7.90 Line break safety valve
  • 7.95 Piston accumulator
  • 7.96 Travel brake valves – schedule
  • 7.97 Brake valve for hydraulic travel gear motor
  • 7.98 Hydraulic brake valve for travel motor
• 8 Electrical system
  • 8.30 Monitoring display V4.0 to V4.6
  • 8.80 Component list – Electrical diagrams
  • 8.90 List of electrical diagrams – Standard execution
• 9 Swing gear
  • 9.10 Swing gear «SAT»
  • 9.20 Swing brake / Positioning brake
• 10 Swing ring
  • 10.10 Swing ring
• 11 Travel gear
  • 11.10 Gear types schedule
  • 11.15 Technical data of the travel gears
  • 11.20 Gear FAT of construction line P(r)
  • 11.25 Travel gear FAT of construction line P(b)
  • 11.40 Removing and reinstalling the travel gears FAT
  • 11.50 Sealing the gear – construction line P(b)
  • 11.51 Sealing the gear – construction line P(r) and A
  • 11.71 Travel brakes
• 12 Track components
  • 12.10 Track components of crawler excavators
  • 12.30 Wear on the track components
  • 12.32 Wear limits for chains
  • 12.33 Identification of the chain size
  • 12.35 Wear limits for rollers
  • 12.38 Wear limits for guide & sprocket wheels
  • 12.40 Removal, installation of track components
  • 12.50 Spring tension units – technical data
  • 12.55 Spring tension unit preassembled
  • 12.56 Tension unit with single spring loose
  • 12.58 Grease tensioner and guide wheel unit
  • 12.70 Track roller
  • 12.75 Carrier roller (supported on one side)
  • 12.77 Carrier roller (supported on both sides)
  • 12.80 Slipring seals
• 16 Options
  • 16.40 Overload warning system
  • 16.60 Autonomous motor cable drum (option)
  • 16.91 List of diagrams
• 17 Cab / Heater / Air conditioning system
  • 17.30 Auxiliary heating
  • 17.50 Heating and air-conditioning system
• 18 Central lubrication
  • 18.05 The centralized lubrication system
  • 18.30 Research of breakdowns and propositions of solutions
  • 18.51 Lubrication pump
  • 18.61 Progressive distributor SX-E
  • 18.66 Progressive distributor MX-F
  • 18.81 Lube hoses repair instructions