Technical Information · issue 28 of 2011
STIHL MDG 1 Engine Analyzer
IssueTI 28/2011
Full text
Page 1 of 6
STIH)
Technical Information 28.2011
STIHL MDG 1 Engine Analyzer – Series 5910
Contents
1. STIHL MDG 1
2. Technical Description
3. Selecting Power Tool
4. Functions and Symbols
5. Preparing Power Tool and Engine Analyzer
6. STIHL ADG 1
7. Chain Without Cutters
1. STIHL MDG 1
The STIHL MDG 1 engine analyzer is used to test
ignition modules and control units (STIHL
M-TronicTM) and connected electrical components
quickly and reliably.
The STIHL MDG 1 enables the right action to be
taken at the right time.
All other diagnostic and repair procedures, e.g.
testing engine for leaks or looking for faults in fuel
system, remain unchanged.
5901TI000 KN
It is possible to generate a report after every test.
The report lists the individual steps and results of
The STIHL MDG 1 engine analyzer and STIHL the test run. The report may be printed out and
diagnostic software have been designed for saved.
analyzing specific parts, troubleshooting and In addition, dealer and customer data, serial
performing adjustments. number, company logo and the name of the service
A computer is required to use the STIHL MDG 1 technician can be included in the report.
engine analyzer and the diagnostic software The STIHL MDG 1 can be used to test STIHL power
supplied with it, see 2.1System Requirements. tools manufactured from 2000 up to the present day.
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)m~ge 2 Technical Information 28.2011
2. Technical Description
8
6
1
5901TI001 KN
4
Bluetooth wireless technology is used to transmit Operating System
information between the STIHL engine analyzer (1)
and the computer (2). A free USB port for the – Microsoft® Windows® XP with
bluetooth USB stick (3) or an internal bluetooth Service Pack 3 (SP3) or
function is required for this purpose. – Microsoft® Windows Vista® or
The power supply unit (4) provides the STIHL
– Microsoft® Windows® 7
MDG 1 with power. The STIHL MDG 1 is connected
between the spark plug boot (5) and spark plug (6) Software Requirements
to test STIHL power tools. Power tools with
– Microsoft® .NET 3.5 or higher
STIHL M-TronicTM are connected to the diagnostic
socket (8) with the "STIHL M-TronicTM" test – Adobe® Acrobat® Reader 9 or higher
cable (7). Hardware Requirements
2.1 System Requirements Minimum Requirements
STIHL diagnostic software may only be installed on – CPU 1 GHz
a computer that meets the system requirements. – 256 MB free memory
Administrator rights are required for installation
– Minimum of 100 MB hard disk space
under Microsoft® Windows® – contact the system
administrator if necessary. – SVGA monitor (minimum resolution 1024 x 768)
– USB interface 1.1 or higher
– CD-ROM or DVD drive
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Technical Information 28.2011 Page 3
Recommended Requirements 2.3 Updating STIHL Diagnostic Software
– CPU 1 GHz The introduction of new power tools and additional
diagnostic functions necessitate a software update.
– 512 MB free memory
The update can be performed as described below.
– Minimum of 100 MB hard disk space
– SVGA monitor (minimum resolution 1024 x 768) 2.3.1 Direct Update via Internet
Computer with diagnostic software has internet
– USB interface 1.1 or higher
access:
– CD-ROM or DVD drive
In the menu bar, click on the question mark "?" –
select "Check for updates... ". The diagnostic
2.2 Installation of STIHL Diagnostic Software
software checks whether an update is available. If
Check system requirements before installation. yes, the update is performed automatically.
It is essential to observe the sequence of the steps
described. Only then will the STIHL diagnostic 2.3.2 Indirect Update (without Internet)
software be properly installed in the computer. Computer with diagnostic software has no internet
Do not connect the analyzer (MDG 1, ADG 1) to the access:
computer until installation of the STIHL diagnostic The data for updating the diagnostic software is
software is completed. supplied by the sales company.
2.2.1 Installation 2.4 STIHL MDG 1 Instruction Manual
Place CD-ROM in computer's CD-ROM or DVD In the menu bar, click on the question mark "?" –
drive. select "Instruction manual". The instruction manual
is opened.
2.2.2 Automatic Start
The automatic start works only if the computer 3. Selecting Power Tool
supports automatic starting of a program from a CD-
ROM (AUTORUN). Then follow the installation The power tool must be selected before starting the
steps of the diagnostic software. individual diagnostic functions and steps.
If the setup program is not started automatically, Power tools with STIHL M-TronicTM engine
start it manually. management are listed separately and must be
selected, e.g. MS 441 C-M.
2.2.3 Manual Start Select "Other STIHL Products" for basic diagnosis
Open My Computer and select CD-ROM or DVD- of STIHL power tools manufactured from 2000 up to
ROM drive. Start installation by double click on the present day.
"Setup.exe". Then follow the installation steps of the
diagnostic software.
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4. Functions and Symbols 4.1.2 STIHL M-TronicTM Engine Management
The individual functions and test steps are identified Specific parts diagnosis and troubleshooting for M-
by the following symbols. The "operating data" and Tronic engine management.
"calibration" functions are only available for power – Solenoid valve is tested electrically
tools with STIHL M-TronicTM. – Operating data are read out – control unit and
analyzer exchange information, e.g. part
1 number of control unit.
2 – Positions of Master Control lever / slide control
are tested – positions Stop 0, Start } and
Run F must be selected for this purpose.
The following points are tested during the test run:
– Ignition voltage
– Ignition spark
– Spark advance (non suppressed spark plug)
3 – Short circuit
– Ignition timing
4
– Mixture control
– Idle control
5901TI002 KN
– Maximum engine speed
1 Diagnosis 4.2 Tachometer
– Basic diagnosis
– STIHL M-TronicTM engine management Tachometer with slave pointer and short-term
memory for momentary maximum engine speed.
2 Tachometer
Slave pointer and short-term memory simplify
3 Operating data carburetor adjustment.
(only for STIHL M-TronicTM engine
management) 4.3 Operating Data
4 Calibration
Control unit and analyzer exchange information.
(only for STIHL M-TronicTM engine
The part numbers of the control unit and the
management)
software version are displayed.
4.1 Diagnosis 4.4 Calibration
The STIHL MDG 1 enables the right action to be If the control unit or carburetor are replaced in the
taken at the right time.
service shop, the STIHL M-TronicTM has to be
re-calibrated.
4.1.1 Basic Diagnosis
Ignition modules and components of STIHL power The control unit is adjusted to match the carburetor
tools manufactured from 2000 can be tested, simply, during the run in the Start position }. An immediate
reliably and quickly with the STIHL MDG 1. shutdown is necessary to store the information.
The following points are tested during the test run:
– Ignition voltage
– Ignition spark
– Spark advance
– Short circuit
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Technical Information 28.2011 Page 5
5. Preparing Power Tool and Engine
Analyzer
– Country-specific safety regulations and the
safety precautions in the instruction manuals
must be observed when operating the power
tool and engine analyzer.
– The engine analyzer may be operated only if it
is in good working order.
5901TI004 KN
– Use the engine analyzer only for testing STIHL
power tools made from 2000 to present day.
– Visual inspection – check exterior of power tool
– Run chainsaws with one-piece shrouds only
for damage
with the special cover 5910 890 3200 mounted
– Check for leaks – do not start the engine if there in position – there is otherwise a risk of injury
is fuel leakage from the fanwheel and a risk of engine damage
– Before starting the test, exclude any risk of due to overheating.
injury from attachment on power tool being
tested – risk of accident. Position power tool
correctly, mount protective devices or
accessories (e.g. chain without cutters)
– Use only spark plugs approved by STIHL
– Connect engine analyzer between the spark
plug and spark plug boot
5901TI005 KN
– Mount special cover 5910 890 3201 and
cutterless chain to chainsaws on which the
clutch drum or spur sprocket is exposed after
connecting the engine analyzer.
5901TI003 KN
– Contacts must be firmly seated – grounding
clamps must locate properly on spark plug
hexagon
– Chainsaws on which the air filter cannot be held
in place by the carburetor box cover after
connecting the engine analyzer: Secure air filter
with nut 1138 140 9500
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6. STIHL ADG 1 7. Chain Without Cutters
Chains without cutters are available as special
accessories for service shops.
They must be combined with guide bars of the
appropriate length. Chains without cutters can also
be combined with guide bars with larger grove
widths, e.g. 1.3 mm drive link gauge may be used in
guide bars with a groove width of 1.5 mm or 1.6 mm.
Chains without cutters should be used for diagnostic
work and adjustments as well as demonstrations.
5901TI007 KN
STIHL diagnostic software enables the ADG 1
battery analyzer to be connected to the computer.
The connection to the computer is made with an
USB cable.
The USB cable is not included with the unit. Use a
standard commercial USB cable with Type A and B
USB plugs.
5901TI006 KN
The familiar diagnosis procedures can be
performed with computer assistance and
subsequent diagnostic report. – 3114 003 0064 chain without cutters,
Do not connect the ADG 1 to the computer until 1/4" P; 1.1 mm
installation of the STIHL diagnostic software is – 3110 003 0044 chain without cutters,
completed. For notes on installation see STIHL 3/8" P; 1.1 mm
MDG 1 instruction manual.
– 3111 003 0062 chain without cutters,
.325"; 1.3 mm
– 3112 003 0066 chain without cutters,
3/8"; 1.3 mm
– 3113 003 0068 chain without cutters,
.404"; 1.6 mm
© ANDREAS STIHL AG & Co. KG, 2011 Technical Documentation
D1/MTK-bl
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Extracted from the manufacturer's 2012 service catalogue. Most of these PDFs embed fonts with a shifted character map, so the text above was recovered rather than copied — read it as a faithful but imperfect transcription, and treat the page image above each block as the authority where the two disagree — the figures exist only there, because they are vector drawings that text extraction cannot keep.