Aircraft Technical Manual
Jabiru Aircraft
Pty Ltd
J120, J160, J170, J200/J400, J230/J430, J250/J450 Variants
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ISSUE
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Dated: 29th October 2014
Issued By: AS
Page: 68 of 298
5.21 Special Inspections
– Fuel Sender Calibration (all J-Series, n/a J120)
Required Tools:
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Clamp suitable for crimping fuel lines without damage (Figure 31).
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Fuel container to drain fuel from wings.
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Accurate fuel pump or measure. (i.e. Avgas bowser).
Parts and Material:
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AVGAS Fuel (for filling)
Type of Maintenance:
Line Maintenance
Level of Certification:
L1, L2 or LAME (Owner, A&P or LSA Repairman / Maintenance)
Return to Service:
L1, L2 or LAME (Owner, A&P or LSA Repairman / Maintenance)
This procedure explains how to calibrate the inbuilt gauges in the Dynon EMS D10 unit to the Jabiru
Float type gauges.
This procedure is applicable for Jabiru Aircraft equipped with wing tanks and electronic fuel gauge
senders.
This procedure must be carried out during initial assembly of a new aircraft or when a new gauge
sender or new EMS is fitted.
The accuracy of the fuel indication system of the aircraft depends on careful and accurate completion
of this process.
Each fuel gauge indicator on the instrument panel (or in the EMS) needs to be connected to the
sender on same side. To achieve this:
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Turn on the EMS. Enter the EMS menu by pressing any button below an EMS main page and
pressing MORE >SETUP > MORE > FUEL. You are presented with the screen shown Figure 30
(left). Press SEL and then enter a tank size of 65. Then press NEXT. Then press START. You
will be presented with the screen show in Figure 30 (right).
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The sensor value should read around 296 as shown.
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Disconnect a wire off the left fuel gauge sender. The sensor value should increase to around
490, when wired correctly.
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If the reading does not change, then disconnect a wire off the right side sender. If there is no
change there is a wiring fault. If it does increase then fuel gauge sender connections are
reversed and must be corrected.
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To exit press RESET and then CANCEL.
Figure 30
– EMS Fuel Calibration Screens (all J-Series, n/a J120)
For this procedure the fuel tanks need to be incrementally filled from empty so first the tanks must be
drained. Fuel containers of sufficient volume to contain at least 10L more than the volume of fuel in
the tanks are required.
Drain the fuel system completely. There are two ways to do this. They are:
