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1. General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2. Description and Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Trouble-Shooting
1. General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Maintenance Practices
1. General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
2. Remove/Install an Engine Instrument . . . . . . . . . . . . . . . . . . . . . . 201
3. Replace a Manifold Temperature Sensor . . . . . . . . . . . . . . . . . . . 203
AIRCRAFT
DA 40 Series
AMM
Engine Indicating
Doc # 6.02.01
Rev. 5 77-00-00 Page 1
20 Sep 2007
CHAPTER 77
ENGINE INDICATING
Section 77-00
Engine Indicating - Lycoming Engine
1. General
This Section tells you about the engine indicating system for airplanes with the Lycoming engine
installed. The DA 40 has an integrated engine instrument which gives engine indications in a single
display unit. The DA 40 also has an annunciator panel which has warning lights for low oil pressure
and low fuel pressure. The transducers that provide the signals for the warning lights on the
annunciator panel are installed in parallel with the fuel pressure and oil pressure transducers of the
integrated engine display system. The maintenance practices for the annunciator panel transducers
are similar to those of the integrated engine instrument.
Refer to the VM 1000 Owner's Manual for more data on the detailed operation and setting of the VM
1000 Integrated Engine Instrument. Refer to Chapter 92 for the Wiring Diagrams for all the electrical
transducers and to Section 77-40 for the related maintenance practices.
The display system also has these other indicators for non-engine airplane systems:
) Fuel quantity.
) Electrical ammeter.
) Voltmeter.
Section 77-40 tells you about the engine indications. For more data on the indicator system refer to
the equipment manufacturer's manual.
Refer to Section 28-40 for more data on the fuel quantity indicating system and refer to Section 24-30
for more data on the electrical current indicating system.
Note: Equipment which is certified for installation in the DA 40 is listed in Section 6.5 of
the Airplane Flight Manual. Such equipment may be installed in accordance with
the Airplane Maintenance Manual.
Any equipment which is not listed in Section 6.5 of the Airplane Flight Manual is
called "Additional Equipment". The installation of Additional Equipment is a
modification which must be handled in accordance with national regulations or a
Service Bulletin.
AIRCRAFT
Engine Indicating DA 40 Series
AMM
Page 2
20 Sep 2007 77-00-00 Doc # 6.02.01
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AIRCRAFT
DA 40 Series
AMM
Engine Indicating
Doc # 6.02.01
Rev. 5 77-01-00 Page 1
20 Sep 2007
Section 77-01
Engine Instrumentation - TAE 125 Diesel Engine
1. General
This Section tells you about the engine indicating system for airplanes with the TAE 125 Diesel engine
installed. Two instruments located in the right side of the instrument panel show all engine related
indications.
The engine control unit (ECU) provides most of the indications for the engine. Refer to Section 76-01
for data about the engine fuel control system. The engine instrumentation also shows airframe fuel
system data. Refer to Section 28-41 for data about the airframe parts of the system.
2. Description and Operation
Two instruments give all of the engine indications. The instruments are located in the right side of the
instrument panel. Each instrument has a combination of digital and analogue displays.
The top instrument is the Compact Engine Display (CED). It shows RPM, oil pressure, temperatures
and load.
The bottom instrument is the Auxiliary Engine Display (AED). It shows fuel quantity, flow and
temperature. It also shows the electrical system current and voltage.
Refer to Section 77-41 for data about the system.
AIRCRAFT
Engine Indicating DA 40 Series
AMM
Page 2
20 Sep 2007 77-01-00 Doc # 6.02.01
Rev. 5
Intentionally left blank
AIRCRAFT
DA 40 Series
AMM
Engine Indicating
Doc # 6.02.01
Rev. 5 77-40-00 Page 1
20 Sep 2007
Section 77-40
Integrated Engine Indication - Lycoming Engine
1. General
The DA 40 has an integrated engine-indication system. The integrated engine instrument (VM 1000)
shows all the engine indications on a single display screen.
Figure 1 shows the location of the integrated engine instrument.
　
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