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Liebherr LH-D934 A7 LH-D944 A7 Stage V TORION 1914 TORION 1812.pdf
Liebherr LH-D934 A7 LH-D944 A7 Stage V TORION 1914 TORION 1812.pdf:
Repair instructions
Only for the United States
Change history
About the document
Work instructions
Spare parts
Lubricating and operating fluids
Usage instructions
Graphic symbols in these instructions
Changes, conditions, copyright
Contents
1 Product description
1.1 Technical description
1.1.1 Engine components
1.1.2 Exhaust aftertreatment system SCRFilter (single-flow)
1.1.3 Reduction agent pump
1.1.4 Engine type itemization
1.1.5 Firing order, cylinder designation and engine serial number
1.1.6 Direction of rotation
1.1.7 Company nameplate
1.1.8 Engine control unit type plate ECU3
1.1.9 Exhaust aftertreatment system type plate
1.2 Technical data
1.2.1 Cylinder liner projection
1.2.2 Valve clearance
1.2.3 Piston ring end gap
1.2.4 Thermostat start of opening
1.3 Functional description
1.3.1 Fuel system
1.3.2 Lubrication system
1.3.3 Cooling system
1.3.4 Assignment of the channels in the crankcase and cylinder head
1.3.5 Exhaust aftertreatment system SCRFilter (single-flow)
1.3.6 Reduction agent pump
2 Safety
2.1 Labeling of warnings
2.1.1 Additional labels
2.2 Target group
2.3 Intended use
2.4 Foreseeable misuse
2.5 General safety instructions
2.6 Preventing personal injuries
2.6.1 Bruises
2.6.2 Burns and scalds
2.6.3 Fires and explosions
2.6.4 Poisoning
2.6.5 High-pressure injection (liquids at high pressure can squirt out)
2.6.6 Electrical energy
2.6.7 Danger due to noise
2.7 Personal protective equipment
2.8 Operating areas and maintenance areas
2.8.1 Safety instructions
2.8.2 Operating areas
2.8.3 Maintenance areas
2.8.4 Securing and releasing the diesel engine against accidental start-up
2.8.5 Emergency stop
2.9 Signage
2.10 Preventing property damage
3 Repair work
3.1 Removing and installing the cover (variant 1)
3.1.1 Removing the cover
3.1.2 Installing the cover
3.2 Removing and installing the cover (variant 2)
3.2.1 Removing the cover
3.2.2 Installing the cover
3.3 Cylinder head cover
3.3.1 Removing and installing the cylinder head cover
3.4 Cylinder head
3.4.1 Checking and setting the valve clearance
3.4.2 Rocker arm bracket and push rods
3.4.3 Removing and installing the valve bridges
3.4.4 Removing and installing the cylinder head
3.4.5 Valves and valve stem seal
3.4.6 Removing and installing the roller plunger
3.4.7 Removing and installing the camshaft
3.5 Driving gear
3.5.1 Piston with connecting rod
3.5.2 Piston rings
3.5.3 Removing and installing the cylinder liner
3.5.4 Checking the projection of the cylinder liners
3.5.5 Removing and installing the belt pulley
3.5.6 Ancillary support housing side radial shaft sealing ring
3.5.7 Removing and installing the ancillary support housing
3.5.8 Flywheel
3.5.9 Removing and installing the flywheel housing (variant 1)
3.5.10 Removing and installing the flywheel housing (variant 2)
3.5.11 Removing and installing the flywheel housing (variant 3)
3.5.12 Removing and installing the flywheel housing (variant 4)
3.5.13 Crankshaft
3.6 Fuel system
3.6.1 Safety instructions for working on the fuel system
3.6.2 Removing and installing the fuel lines
3.6.3 Removing and installing the fuel return line
3.6.4 Reducing the pressure in the fuel system
3.6.5 Removing and installing the fuel injection pipe
3.6.6 Removing and installing the injection pipes
3.6.7 Removing and installing the fuel rail
3.6.8 Removing and installing the pressure pipe socket and injector
3.6.9 Fuel high pressure pump
3.6.10 Drive for high pressure pump
3.7 Belt drive
3.7.1 Removing and installing the V-ribbed belt
3.7.2 Remove and install the tension pulley (self-tensioning)
3.7.3 Removing and installing the deflection pulley
3.8 Charge air system
3.8.1 Removing and installing the charge air pipe
3.8.2 Removing and installing the intermediate flange
3.8.3 Air intake manifold
3.8.4 Removing and installing the intake manifold
3.9 Exhaust system
3.9.1 Exhaust gas stub
3.9.2 Exhaust gas turbocharger
3.10 Engine oil system
3.10.1 Removing and installing the end control valve
3.10.2 Removing and installing the oil mist separator return line
3.10.3 Crankcase ventilation
3.10.4 Oil cooler
3.10.5 Oil pan
3.10.6 Engine oil pump
3.10.7 Removing and installing the oil pump
3.10.8 Removing and installing the piston cooling nozzle
3.11 Cooling system
3.11.1 Removing and installing the pipeline and coolant venting pipe
3.11.2 Coolant manifold
3.11.3 Coolant pump
3.11.4 Thermostat
3.12 Auxiliary output
3.12.1 Air conditioning compressor (optional)
3.12.2 Air compressor (optional)
3.12.3 Removing and installing power take off 1
3.12.4 Removing and installing power take off 3
3.12.5 Removing and installing power take off 4
3.13 Electrical system
3.13.1 Removing and installing the heating flange
3.13.2 Alternator
3.13.3 Removing and installing the starter motor
3.13.4 Installing the starter motor
3.13.5 Engine control unit
3.13.6 Sensors
3.13.7 Cable harness
3.14 SCRF exhaust aftertreatment system
3.14.1 Removing and installing the SCRF inlet module (single-flow)
3.14.2 Removing and installing the SCRF outlet module (single-flow)
3.14.3 Removing the pressure measurement lines
3.14.4 Removing the filter module (single-flow)
3.14.5 Installing the filter module (single-flow)
3.14.6 Installing the pressure measurement line
3.14.7 Exhaust regulation sensors
3.14.8 Removing and installing the reduction agent pump
3.14.9 Removing and installing the mixing pipe
3.14.10 Removing and installing the reduction agent injector
3.14.11 Removing and installing the diesel oxidation catalyst
3.14.12 Removing and installing the sensor pipe
4 Tools and devices
4.1 Tools
4.1.1 Special tools
4.1.2 Diagnostic tools
4.2 Devices
4.2.1 Lifting traverse with two-point-raising (basic version)
4.2.2 Lifting traverse with two-point-raising
4.2.3 Engine assembly stand
4.2.4 Engine assembly stand and adapter
4.2.5 Transport device
5 Assembly agents
6 Appendix
6.1 Tightening torques
6.1.1 For hex bolts / cylinder screws / external hex bolts
6.1.2 For locking screws and banjo bolts
6.1.3 Standard torques for metric flange connections
6.1.4 Metric screw connection series L (light) (up to 500 bar/7252 Psi)
6.1.5 Metric screw connection series S (heavy) (up to 800 bar/11603 Psi)
6.1.6 Inch screw connection series L (light) (up to 500 bar/7252 Psi)
6.1.7 Inch screw connection series S (heavy) (up to 800 bar/11603 Psi)
6.1.8 Metric thread unit series L (light) (up to 500 bar/7252 Psi) for aluminum
Claas Repair Manual PDF
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