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S Set the AVIONICS MASTER switch to OFF.
S Set the ALT/BAT switch to OFF.
All avionics must operate.
AIRCRAFT
DA 40 Series
AMM
Electrical Power
Doc # 6.02.01
Rev. 5 24-60-00 Page 203
20 Sep 2007
4. Remove/Install a Circuit-Breaker
A. Remove a Circuit-Breaker
Detail Steps/Work Items Key Items/References
(1) Remove the top engine cowling. Refer to Section 71-10.
(2) Disconnect the battery:
S Disconnect the negative cable from the
battery.
S Disconnect the positive cable from the
battery.
Refer to Section 24-31.
(3) Remove the instrument panel cover. Refer to Section 25-10.
(4) Remove the nuts and washers which attach the
circuit-breakers to the instrument panel.
(5) Remove the screw which connects the circuitbreaker
to the copper bus bar.
(5) Disconnect the wires from the circuit-breaker.
(7) Shift back the copper bus bar together with the
remaining circuit-breakers.
(8) Remove the circuit-breaker from the instrument
panel.
B. Install a Circuit-Breaker
Detail Steps/Work Items Key Items/References
(1) Put the circuit-breaker in position in the
instrument panel.
(2) Move the copper bus bar forward together with
the remaining circuit-breakers.
(3) Connect the wires to the circuit breaker. Refer to Chapter 92 for the Wiring
Diagrams.
(4) Install the screw which attaches the circuitbreaker
to the copper bus bar.
(5) Install the nuts and washers which attach the
circuit-breakers to the instrument panel.
AIRCRAFT
Electrical Power DA 40 Series
AMM
Detail Steps/Work Items Key Items/References
Page 204
20 Sep 2007 24-60-00 Doc # 6.02.01
Rev. 5
(6) Install the instrument panel cover. Refer to Section 25-10.
(7) Connect the battery. Refer to Section 24-31. Connect the
positive cable first.
(8) Install the top engine cowling. Refer to Section 71-10.
(9) Do a functional test of the circuit-breaker:
S Set the ALT/BAT switch to ON.
S Operate the electrical system related to the
circuit-breaker you will test.
S Pull the circuit-breaker.
S Close the circuit-breaker.
SSet the ALT/BAT switch to OFF.
Apply the full electrical load to the
system.
The system must stop operating. Make
sure there is no power to the system.
5. Remove /Install an Instrument Panel Switch
This procedure applies to the following switches:
) PITOT.
) LANDING, TAXI, POSITION and STROBE lights.
) AVIONIC MASTER.
) FUEL PUMP.
) ALT/BAT.
) ESS. BUS (optional)
AIRCRAFT
DA 40 Series
AMM
Electrical Power
Doc # 6.02.01
Rev. 5 24-60-00 Page 205
20 Sep 2007
A. Remove an Instrument Panel Switch
Detail Steps/Work Items Key Items/References
(1) Remove the top engine cowling. Refer to Section 71-10.
(2) Disconnect the battery:
S Disconnect the negative cable from the
battery.
S Disconnect the positive cable from the
battery.
Refer to Section 24-31.
(3) Remove the instrument panel cover. Refer to Section 25-10.
(4) Disconnect the electrical cables from the switch
that you will remove.
(5) Remove the switch from the instrument panel:
S Press the locking clips at the side of the
switch to release the switch from the
instrument panel.
S Move the switch forward through the
instrument panel and clear of the airplane.
With your fingers from the back of the
instrument panel.
B. Install an Instrument Panel Switch
Detail Steps/Work Items Key Items/References
(1) Hold the spring clips on the switch compressed
and put the switch in position in the instrument
panel.
From the front of the instrument panel.
Make sure that the clips have
expanded and that the switch is
correctly located.
(2) Connect the electrical cables to the switch. Refer to Chapter 92 for the Wiring
Diagrams.
(3) Install the instrument panel cover. Refer to Section 25-10.
(4) Connect the battery. Refer to Section 24-31. Connect the
positive cable first.
(5) Install the top engine cowling. Refer to Section 71-10.
AIRCRAFT
Electrical Power DA 40 Series
AMM
Page 206
20 Sep 2007 24-60-00 Doc # 6.02.01
Rev. 5
Detail Steps/Work Items Key Items/References
(6) Do a functional test of the switch:
S Set the ALT/BAT switch to ON.
S Set the switch that you have installed to ON.
S Set the switch that you have installed to OFF.
S Set the ALT/BAT switch to OFF.
The system must operate correctly.
The system must switch off.
AIRCRAFT
DA 40 Series
AMM
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钻石40系列AMM 1(131)
