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Operating Instructions
Document No. 150-7122
Mercedes Benz
Mercedes OM 904 LA
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Foreword
Eastern USA
Phone (440) 248-7168 | Fax: (440) 248-8645
30625 Solon Industrial Parkway | Solon, OH 44139
Western USA & Mexico
Phone (951) 369-0878 | Fax: (951) 369-8281
3453 Durahart Street | Riverside, CA 92507
Canada & International
Phone (519) 599-2015 | (866) BTI-PART [284-7278] | Fax: (519) 599-6803
35 Elgin Street | P.O. Box 130 | Thornbury, Ontario, Canada N0H 2P0
www.rockbreaker.com
Mercedes OM 904 LA Operation Manual
Mercedes EnginePublication Date: 1-12-2005
ForewordThis component manual forms part of the Service Manual for a Breaker
Technology (BTI) product.
The information in this document is reprinted by BTI with permission for
the sole purpose of supporting BTI products. Although every effort has
been made to keep this information current, the information and data in
this manual apply at time of publication as stated above.
Instructions in this manual may refer to specic tools, lifting devices, and
work methods. BTI does not accept responsibility for personal injury,
equipment failure or damage if those specied are not used.
If any information, work method or instruction in this manual is unclear,contact the component manufacturer or the nearest BTI ofce.
WARNING!
Before attempting any service or maintenance procedure, read the
Safety Section of the BTI Service manual for this vehicle.
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Foreword
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Foreword
Foreword
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Contents
ContentsMercedes OM 904 LA............................................................1
Mercedes Engine ...........................................................2
Foreword .......................................................................... 2
Introduction...................................................................... 6Protection of the environment ...............................................6Operating safety ....................................................................7
1. At a glance ................................................................... 9OM 904 LA overview .............................................................9
OM 906 LA/OM 926 LA overview ........................................ 11
Location of sensors .............................................................13
Engine number ....................................................................14
2. Before commissioning .............................................. 15General information .............................................................15
Transport and installation ....................................................22
3. Safety .......................................................................... 23Safety precautions...............................................................23
Staff qualications ...............................................................24
Conversion parts and modications to the engine ..............24
Safety/emergency running programs ..................................25
Genuine Mercedes-Benz parts............................................26
4. Operation.................................................................... 27Starting the engine for the rst time ....................................27
Starting the engine ..............................................................30
Monitoring engine operation ................................................32
Stopping the engine ............................................................34
Winter operation ..................................................................35
Cleaning/protective treatment .............................................36
Service Products .................................................................39
Diesel fuels...................................................................39
Engine oils....................................................................42
5. Maintenance ............................................................... 45Maintenance instructions.....................................................45Work schedule overview .....................................................46
Maintenance service ....................................................46
Additional work with every third maintenance service..47
Work schedules ...................................................................47
6. Practical advice ......................................................... 63Malfunctions, causes and solutions.....................................63
Jump-starting.......................................................................67
7. Technical data ............................................................ 69Engine data .........................................................................69
Test values and adjustment values .....................................71
Tightening torques ...............................................................72
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Mercedes OM 904 LA Operation Manual6
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Introduction
Mercedes OM 904 LA Operation Manual
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Introduction
Protection of the environment
Protection of the environment
Operating Safety
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Introduction
Operating safety
Correct use
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NOTES
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1. At a glance
1. At a glance OM 904 LA overview
OM 906 LA/OM 926 LA overview
Location of sensors
Engine number
OM 904 LA overview
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1. At a glance
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Mercedes OM 904 LA Operation Manual 1
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1. At a glance
OM 906 LA/OM 926 LA overview
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Mercedes OM 904 LA Operation Manual12
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1. At a glance
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1. At a glance
Location of sensors
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1. At a glance
Engine number
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2. Before commissioning
2. Before commissioning General information
Transport and installation
General information
Type designation
Engine data card
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2. Before commissioning
Description o the engine
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2. Before commissioning
Engine brake*/constantly-open throttle valves*
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2. Before commissioning
Flame-start system*
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2. Before commissioning
Grid heater
Telligent engine system
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2. Before commissioning
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2. Before commissioning
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2. Before commissioning
Transport and installation
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3. Safety
3. Safety Safety precautions
Staff qualifications
Conversion parts and modifications to the engineSafety/emergency running programs
Genuine Mercedes-Benz parts
Safety precautions
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3. Safety
Staff qualifications
Conversion parts and modifications to the engine
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3. Safety
Safety/emergency running programs
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3. Safety
Genuine Mercedes-Benz parts
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4. Operation
4. Operation
Starting the engine for the first time
Starting the engine for the first time
Monitoring engine operation
Stopping the engineWinter operation
Cleaning/protective treatment
Service products
Preparation
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4. Operation
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4. Operation
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4. Operation
Starting the engine
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4. Operation
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4. Operation
Monitoring engine operation
Charge current
Oil pressure
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4. Operation
Telligente engine system
Flame-start system*
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4. Operation
Grid heater *
Stopping the engine
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4. Operation
Winter operation
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4. Operation
Cleaning/protective treatment
Cleaning the engine
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4. Operation
Cleaning the cooling system
Cleaning/protective treatment
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4. Operation
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4. Operation
Service Products
Diesel fuels
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4. Operation
FAME uels
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4. Operation
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4. Operation
Engine oils
Coolant
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4. Operation
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NOTES
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5. Maintenance
5. Maintenance Maintenance instructions
Work schedule overview
Work schedules
Maintenance instructions
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5. Maintenance
Work schedule overview
Maintenance service
Additional work
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5. Maintenance
Additional work with every third maintenance service
Work schedules
Engine: checking or leaks and general condition
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5. Maintenance
Lines and hoses on the engine: checking or leaks and general condition
Engine: oil change and lter replacement
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5. Maintenance
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5. Maintenance
Adjusting the valve clearance
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5. Maintenance
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5. Maintenance
Fuel prelter: cleaning the lter element
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5. Maintenance
Heated uel prelter with water separator*: replacing the lter element
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5. Maintenance
Replacing the uel lter element
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5. Maintenance
Intake pipe between air cleaner and engine: checking or leaks and general condition
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5. Maintenance
Poly-V-belt: checking condition
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5. Maintenance
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5. Maintenance
Engine brake*: checking conditions and setting
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5. Maintenance
Engine cooling system: checking and correcting the fuid level and the antireeze/corrosion inhibitor
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5. Maintenance
Cooling and heating system: checking or leaks and general condition
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5. Maintenance
Renewing Coolant
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NOTES
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6. Practical advice
6. Practical advice Malfunctions, causes and solutions
Jump-starting
Malfunctions, causes and solutions
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6. Practical advice
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6. Practical advice
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6. Practical advice
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6. Practical advice
Jump-starting
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NOTES
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7. Technical data
7. Technical data Engine data
Test values and adjustment values
Tightening torques
Engine data
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7. Technical data
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7. Technical data
Test values and adjustment values
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Mercedes OM 904 LA Operation Manual727. Technical data
Tightening torques