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CAUSE THE ENGINE TO START. THIS CAN CAUSE DEATH OR
INJURY TO PERSONS.
(3) Remove the engine cowlings.
(4) Remove the fire resistant sealant from the
engine side of the firewall at the flexible drive
attachment bracket.
DA20-C1 AMM
Engine Indicating
Doc # DA 201-C1
Rev. 9 77-00-00 Page 203
29 Apr 2004
Detail Steps/Work Items Key Items
(5) Remove the flexible drive attachment
bracket from the firewall.
(6) Disconnect the flexible drive knurled nut
from the engine accessory case attachment
point. And carefully remove the drive shaft
from the engine.
(7) Carefully pull the flexible drive through the
firewall and remove.
B. Install The RPM Indicator Flexible Drive
Detail Steps/Work Items Key Items
WARNING: DO NOT STAND WITHIN THE DANGER AREA OF THE
PROPELLER. IF THE ENGINE STARTS, THE PROPELLER CAN
CAUSE DEATH OR INJURY TO PERSONS.
(1) Position the flexible drive through the
firewall.
(2) Put the flexible drive shaft into the engine
accessory case at the attachment point.
And install the knurled nut to the accessory
case housing.
(3) Put the end of the flexible drive shaft into the
rear of the RPM indicator. And install the
knurled nut of the drive shaft onto the rear of
the RPM indicator.
(4) Install the drive shaft attachment bracket to
the firewall. And seal the drive shaft with the
correct specification fire resistant sealant.
Use Product PR 812,
(MIL-S-38249 Type 1).Fire Wall Sealant.
(5) Install the instrument panel cover. Refer to Chapter 25-10
(6) Install the engine cowlings.
(7) Do an engine run up test. Make sure the
RPM indication is correct.
Refer to the DA20-C1 Flight Manual.
Engine Indicating
DA20-C1 AMM
Page 204
29 Apr 2004 77-00-00 Doc # DA 201-C1
Rev. 9
4. Remove/Install The Cylinder Head Temperature Thermocouple Probe
A. Remove The Cylinder Head Temperature Thermocouple Probe
Detail Steps/Work Items Key Items
WARNING: DO NOT STAND WITHIN THE DANGER AREA OF THE
PROPELLER. IF THE ENGINE STARTS, THE PROPELLER CAN
CAUSE DEATH OR INJURY TO PERSONS.
(1) Remove the engine cowlings.
(2) Only do this if you will install a new (CHT)
thermocouple probe.
− Cut the electrical cables close to the
(CHT) thermocouple probe.
(3) Remove the (CHT) thermocouple probe from
the bottom of the left rear cylinder.
B. Install The Cylinder Head Temperature Thermocouple Probe
Detail Steps/Work Items Key Items
(1) Install the (CHT) thermocouple probe into
the bottom of the left rear cylinder.
(2) If necessary, connect the electrical cables
with in-line splices.
(3) Install the engine cowlings.
(4) Do an engine run up test. Look specially for
correct (CHT) indications.
Refer to the Teledyne Continental Motors
Maintenance Manual for (CHT) data. For
the engine run procedures refer to the
DA20-C1 Flight Manual.
DA20-C1 AMM
Engine Indicating
Doc # DA 201-C1
Rev. 9 77-00-00 Page 205
29 Apr 2004
5. Remove/Install The Exhaust Gas Temperature Thermocouple Probe
A. Remove The Exhaust Gas Temperature Thermocouple Probe
Detail Steps/Work Items Key Items
WARNING: DO NOT STAND WITHIN THE DANGER AREA OF THE
PROPELLER. IF THE ENGINE STARTS, THE PROPELLER CAN
CAUSE DEATH OR INJURY TO PERSONS.
WARNING: MAKE SURE THE EXHAUST SYSTEM IS COOL BEFORE YOU DO
WORK ON THE EXHAUST SYSTEM. THE EXHAUST SYSTEM CAN
BE HOT. THIS CAN CAUSE INJURY TO PERSONS.
(2) Remove the engine cowlings.
(3) Only do this if you will install a new (EGT)
thermocouple probe.
− Cut the electrical cables close to the
(EGT) thermocouple probe.
(4) Disconnect the (EGT) thermocouple probe at
the left rear exhaust pipe.
B. Install The (Exhaust Gas Temperature) Thermocouple Probe
Detail Steps/Work Items Key Items
(1) Install the (EGT) thermocouple probe onto
the left rear exhaust pipe.
(2) If necessary, connect the electrical cables
with in-line splices.
(3) Install the engine cowlings.
(4) Do an engine run up test. Look specially for
correct (EGT) indications.
Refer to the Teledyne Continental Motors
Maintenance Manual for (EGT) data. For
the engine run procedures refer to the
DA20-C1 Flight Manual.
Engine Indicating
DA20-C1 AMM
Page 206
29 Apr 2004 77-00-00 Doc # DA 201-C1
Rev. 9
6. Remove/Install The Exhaust Gas Temperature Indicator
A. Remove the (EGT) Indicator
Detail Steps/Work Items Key Items
(1) Disconnect the airplane battery. Refer to Chapter 24-31
(2) Remove the instrument panel cover. Refer to Chapter 25-10
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钻石20系列AMM 2(105)
