Liebherr D934 A7 SCR – D936 A7 SCR – D946 A7 SCR Diesel Engine Operating Manual 10140787-00 – PDF DOWNLOAD

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Liebherr D934 A7 SCR – D936 A7 SCR – D946 A7 SCR Diesel Engine Operating Manual 10140787-00 – PDF DOWNLOAD

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Liebherr D934 A7 SCR – D936 A7 SCR – D946 A7 SCR Diesel Engine Operating Manual 10140787-00 – PDF DOWNLOAD

Language : English
Pages : 119
Downloadable : Yes
File Type : PDF

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Liebherr D934 A7 SCR – D936 A7 SCR – D946 A7 SCR Diesel Engine Operating Manual 10140787-00 – PDF DOWNLOAD

Foreword:
These operating instructions have been compiled for the user and for the
maintenance personnel of the diesel engine.
The instructions include descriptions regarding:
– Technical data
– Safety requirements
– Operation and servicing
– Maintenance
The operating manual is to be read thoroughly and referred to before initial start-up
and at regular periods thereafter by each person contracted to carry out work
with/on the diesel engine.
Tasks with or on the diesel engine include for example:
– Operation, servicing, disposing of fuels and lubricants.
– Repair, including maintenance and inspection.
This simplifies training of the operator for his diesel engine and prevents
malfunctions resulted from improper use.
Please understand that we do not recognise warranty claims submitted as a result
of improper operation, insufficient maintenance, the utilisation of impermissible
fuels or negligence of the safety guidelines.
LIEBHERR will declare all possible undertakings carried out by LIEBHERR and/or
their dealers, such as guarantees, service orders, etc. null and void without
advance notice, if spare parts other than original LIEBHERR spare parts or spare
parts purchased by LIEBHERR are used for maintenance or repair.
It may be necessary to undertake maintenance tasks more regularly than is
prescribed in the inspection plan when working in tougher conditions.
Modifications, conditions and copyright:
– Modifications of technical data, as regards information and illustrations within
the documentation currently valid for the diesel engine, remain reserved.
– Conditions for warranty and liability of the general terms of trade for the
LIEBHERR Company are not extended by the aforementioned details.
– Information and diagrams featured within this operating manual may not be
reproduced or distributed, nor used for the purpose of the competition. All rights
remain exclusively reserved in accordance with copyright laws.

TABLE OF CONTENTS:

.......................................................................................................  3
	Foreword...........................................................................................  5
	Contents...........................................................................................  7
	1 Product description.............................................................................. 11
		1.1 Technical description...................................................................... 11
			1.1.1 Overview of assembly................................................................. 11
			1.1.2 Explanation of type description...................................................... 13
			1.1.3 Design features...................................................................... 16
			1.1.4 Special equipment for the diesel engine.............................................. 18
		1.2 Technical data............................................................................. 19
			1.2.1 Diesel engine........................................................................ 19
			1.2.2 Cylinder head, standard.............................................................. 19
			1.2.3 Cylinder head with engine auxiliary brake system (ZBS)............................... 20
			1.2.4 Coolant pump D934.................................................................... 20
			1.2.5 Coolant pump D936 / D946............................................................. 20
			1.2.6 Coolant thermostat................................................................... 20
			1.2.7 Generator............................................................................ 20
			1.2.8 Starter.............................................................................. 20
			1.2.9 Flywheel housing..................................................................... 21
			1.2.10 Air compressor Wabco 293 cm3........................................................ 21
			1.2.11 Air compressor Wabco 352 cm3........................................................ 21
			1.2.12 Air compressor Knorr 300 cm3........................................................ 21
	2 Notes on safety.................................................................................. 23
		2.2 General notes on safety.................................................................... 24
		2.3 Use as directed............................................................................ 24
		2.4 Notes on the prevention of crushing and burns.............................................. 25
		2.5 Notes on the prevention of fire and explosions............................................. 25
		2.6 Observe safety precautions when starting................................................... 25
		2.7 Measures for safe maintenance.............................................................. 26
		2.8 Observe the safety precautions for diesel engines featuring electronic control units....... 27
		2.9 Safety and emergency run program for diesel engines featuring electronic control units..... 28
		2.10 Special notes regarding tasks on the Common Rail System................................... 28
		2.11 Particularly hazardous.................................................................... 29
		2.12 Disposing of fuels and lubricants......................................................... 31
		2.13 Exhaust gas after-treatment system (SCR).................................................. 31
	3 Operation, Servicing............................................................................. 33
		3.1 Control and operating elements............................................................. 33
		3.2 Operation.................................................................................. 34
			3.2.1 Preparations prior to initial start-up............................................... 34
			3.2.2 Initial start-up / test run.......................................................... 34
			3.2.3 Start the diesel engine.............................................................. 35
			3.2.4 Starting in frosty temperatures...................................................... 36
			3.2.5 Switching off the diesel engine...................................................... 36
			3.2.6 Exhaust gas after-treatment system (SCR)............................................. 37
	4 Malfunctions..................................................................................... 47
		4.1 Faults - Cause - Remedy.................................................................... 47
	5 Maintenance...................................................................................... 53
		5.1 Maintenance and inspection chart........................................................... 53
		5.2 Filling amounts............................................................................ 56
			5.2.1 Table for filling amounts............................................................ 56
		5.3 Fuels and lubricants....................................................................... 57
			5.3.1 Handling fuels and lubricants........................................................ 57
			5.3.2 Environmental-protection guidelines.................................................. 57
			5.3.3 Disposing of used materials.......................................................... 57
			5.3.4 Diesel fuels......................................................................... 57
			5.3.5 Lube-oils for the diesel engine...................................................... 58
			5.3.6 Coolant for diesel engine............................................................ 60
		5.4 Special tools for maintenance tasks........................................................ 64
		5.5 Preparatory maintenance tasks.............................................................. 67
		5.6 Maintenance tasks (daily), every 10 operating hours........................................ 68
			5.6.1 Check the engine oil level........................................................... 68
			5.6.2 Visual inspection (leaks, contamination, damages).................................... 69
			5.6.3 Check the coolant level.............................................................. 69
			5.6.4 Checking / draining the water separator of the fuel prefilter........................ 69
			5.6.5 Check low-pressure display of the air filter......................................... 71
		5.7 Maintenance tasks (weekly) every 50 operating hours........................................ 72
			5.7.1 Drain water and sediment in the fuel tank............................................ 72
			5.7.2 Cleaning the dust-discharge valve of the air filter.................................. 72
		5.8 Maintenance tasks, every 500 operating hours............................................... 73
			5.8.1 Check the flap of the diesel engine brake............................................ 73
			5.8.2 Changing diesel engine oil and replacing the oil filter.............................. 73
			5.8.3 Replacing the oil separator filter element........................................... 77
			5.8.4 Checking and replacing the ribbed V-belt............................................. 78
			5.8.5 Checking induction and exhaust gas system for sound condition and for leaks.......... 80
			5.8.6 Check the cooling and heating systems for sound condition and for leaks.............. 80
			5.8.7 Checking lubrication system and fuel system for leaks and for sound condition........ 81
			5.8.8 Checking the batteries and cable connections......................................... 81
			5.8.9 Checking the control unit mounting for sound condition............................... 81
			5.8.10 Checking sensors, actuators, cable fittings and plugs for sound condition........... 82
		5.9 Maintenance tasks every 1000 operating hours............................................... 83
			5.9.1 Checking the oil sump, engine mount and diesel engine brackets for secure seating.... 83
			5.9.2 Checking and adjusting valve clearance............................................... 84
			5.9.3 Replacing the fuel prefilter element................................................. 89
			5.9.4 Replacing the fuel fine-filter....................................................... 90
		5.10 Maintenance tasks every 2000 operating hours.............................................. 92
			5.10.1 Checking anticorrosive / antifreeze concentration in the coolant.................... 92
		5.11 Maintenance tasks every 3000 operating hours.............................................. 96
			5.11.1 Grease the flywheel starter ring gear............................................... 96
			5.11.2 Replacing the coolant............................................................... 96
		5.12 Maintenance tasks every 4500 operating hours.............................................. 99
			5.12.1 Replacing the foam element and the filter element of the SCR urea pump.............. 99
		5.13 Maintenance tasks every 10000 operating hours.............................................101
			5.13.1 Replace the heater flange...........................................................101
		5.14 Maintenance tasks as required.............................................................102
		5.15 Check the heater flange...................................................................103
		5.16 Bleeding the fuel system..................................................................104
		5.17 Replacing the dry air filter main element.................................................108
		5.18 Replacing the dry air filter safety element...............................................109
		5.19 Transport and storage.....................................................................110
			5.19.1 Lifting gear........................................................................110
			5.19.2 Storage up to 6 months..............................................................110
			5.19.3 Storage for between 6 and 24 months.................................................111
	6 Supplemental Information USA.....................................................................113
		6.3 Emission control warranty statement warranty rights and obligations........................114
			6.3.1 Manufacturer's warranty coverage.....................................................114
			6.3.2 Owner's warranty responsibilities....................................................114
			6.3.3 Warranty coverage....................................................................115
			6.3.4 Warranted parts......................................................................115
	Index..............................................................................................117

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