Liebherr Excavator LH26EC Service Manual 11841695

Description

Contents:
010 Introduction
010.005 Standards and regulations
010.008 Component documentation
010.010 New features and changes
010.020 Safety instructions
010.022 Additional notes for machines with electric drive
010.043 Installation instructions: Mounting clamping nuts
010.050 Special tools, general
010.051 Special tools for hydraulic system
010.052 Special tools for electrical equipment
010.055 Special tools for slewing gearbox
010.056 Mounting device for multi-disc brake
010.070 Preservation guidelines
010.071 Conservation of hydraulic cylinders
020 Technical data
020.010 Technical data LH 26 EC
030 Maintenance
030.001 Fuels, lubricants and process chemicals
030.002 Filling quantities
030.010 Oil sampling for analysis
030.012 Inspection and maintenance schedule
030.030 Emergency operations
030.045 Information on check and adjustment task
030.050 Check and adjustment tasks for LH 26 EC
030.052 Test and setting activities LH 26 EM
040 Drive group
040.010 Cooling system
050 Cooling system
060 Working hydraulics
060.001 Overview of hydraulic symbols
060.002 Colour code of hydraulic schematics
060.003 Reducing pressure in hydraulic system
060.008 LSC system
060.010 Design of hydraulic system
060.011 Design of hydraulic system LH22C/ LH26EC
060.012 Component list hydraulic schematic LH24-LH26
94046792-002-HYD-00-DE.pdf
060.050 Hydraulic schematic component list LH22C/LH26EC
94065015-003-HYD-00-DE.pdf
070 Travel hydraulics
070.006 Travel hydraulics: overview
070.015 DMVA O 165 travel motor
070.020 CMVE travel motor
080 Hydraulic components
080.016 Hydraulic tank
080.020 Putting into service hydraulic pumps
080.021 DPVO variable-displacement pump
080.040 Control oil unit
080.041 Control oil unit
080.045 Servo control unit, 4 x (working functions)
080.047 Pilot control unit 4x for travel drive
080.050 LSC control block
080.051 Auxiliary control axle AS1 (medium pressure circuit)
080.053 Auxiliary control axle AHS11 (high pressure circuit)
080.058 Servo control valves
080.059 Check for leak oil at control blocks
080.070 Slewing gear motor
080.075 Rotary connection 13x
080.077 Rotary connection 6x
080.080 Hydraulic differential cylinder
080.090 Accumulator
080.100 Line break safety valve
090 Steering system
090.010 Hydraulic steering system
090.020 Joystick steering
090.050 Installation, steering column with steering wheel
100 Branke system
100.010 Hydraulic brake system
100.020 Compact brake block
110 Electrical system
110.001 Overview of electrical symbols
110.003 Connecting electric machine
110.005 Supplemental service manual (crawler)
110.006 Supplement to service manual / softstart
Circuit diagram: softstart to serialnumber 110676
110.007 Supplement service manual (mobil)
110.022 Operator’s platform (crawler)
110.050 Circuit diagram: operator’s platform
110.060 Electrical system: uppercarriage
110.062 Circuit diagram: basic machine
110.090 Malfunctions
110.092 Supplemental malfunctions
110.095 Info menu – electrical inputs and outputs
120 Travel gear mechanism
120.010 2 HL 270 / 290 transmission
120.022 Pilot control valve for transmission
120.050 Travel gearbox FAT 325/355
130 Axles / Drive
130.001 Tyres
130.003 Checking oscillating axle bearing for wear
130.005 Oscillating axle support
130.020 Oscillating axle MS-E 3070
130.021 MT-E 3070 rigid axle
130.022 MS/MT-E 3070 input unit and differential
130.050 Travel gear / travel gear
130.051 Technical data / tightening torques
130.052 Wear on running gear parts
130.053 Wear limits
130.054 Chain
130.055 Tensioning unit
130.056 Idler-wheel
130.057 Track roller
130.058 Track roller
130.059 Carrier roller
130.060 Slip ring seal
140 Steel parts – basic machine
140.010 Repair welding guideline
150 Working equipment
150.015 Boom, adjustable in vertical/horizontal direction
150.019 Stick cylinder shut-off
150.020 Height limiting
150.032 Support blade
150.034 Dozer blade
150.036 Outrigger support
150.037 Outrigger monitoring system
150.038 Stabiliser blade
150.040 Hydraulic quick coupler
150.042 Interface, third-party quick coupler
150.061 Manual changeover between bucket and grapple operation
150.062 Changeover between two-piece boom and high pressure circuit
150.063 Changeover between high pressure circuit 1 and bucket cylinder
160 Cab / heating / air conditioning
160.001 Installation instruction for air-conditioning hose fittings
160.002 Mounting of operator’s cab elevation
160.010 Height-adjustable cab LHC 255
160.030 Auxiliary heater
160.040 Air conditioning
160.045 Air-conditioning system service
170 Lubrication system
170.000
180 Slewing gear mechanism / Slewing ring
180.020 Slewing gearbox
180.030 Slewing brake
180.032 Positioning slewing brake
180.050 Slewing ring
190 Equipment / Options
190.001 LiDAT remote diagnosis system
190.002 LiDAT: checking connection status
190.004 LiDAT remote diagnosis system (LiTU03)
190.005 LiDAT: creating a report and snapshot
190.007 LIKUFIX hydraulic coupling system
190.008 Check template for LIKUFIX
190.009 Switchable overload warning system
190.010 Tool control
190.014 Tool Management
190.016 Deactivating hoist cylinder protection
190.022 Driver identification
190.035 Generator drive accessory kit
190.036 SuperFinish
190.040 Mower rake accessory kit
190.050 Refuelling system
190.055 Bypass filter
190.070 Control unit for pre-heating
190.072 Hydraulic oil pre-heating
190.074 Fuel preheating
190.076 Coolant pre-heating
190.090 Camera monitoring system
190.120 Extension to central lubrication system working tools
200 Diagnosis
200.005 Sculi variables editor
200.006 Sculi access to the variables
200.010 Checking and adjusting software wizard
200.020 Software update
200.030 Master module reset
200.035 CAN module addressing
200.036 Master A178
200.038 CAN data transmission
200.090 Malfunctions
200.095 Information menu