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9) Close main switch-breaker.
10) Actuate "MIN" potentiometers (11) and (12) to adjust gaging conditioner (15) and position the needle on the red line (zero) of each indicator.
11) Open main switch-breaker.
12) Fill up fuel tanks - refer to 12-11-01.
13) Wait for the fuel to be stable (2 minutes minimum).
14) Close main switch-breaker.
AEAB
Validity : Post-MOD. 182 28-40-01Page 501
(FA) SEP 04
15) Actuate "MAX" potentiometers (13) and (14) to adjust gaging conditioner (15) and position the needle of both indicators on :
- dry gage : white line of mark 4/4,
- wet gage : the second point (1).
16) Open main switch-breaker.
17) If connected, disconnect the ground power unit - refer to 24-40-00.
18) Safety "MIN" potentiometers (11) and (12), and "MAX" potentiometers (13) and (14) with varnish (TB 07-906).
19) Make sure all the tools and materials are removed and the work area is clean and free from debris.
20) Blank access ports to potentiometers with new self-adhesive pads.
21) Lower the aircraft to ground and remove the jacks - refer to 07-10-00.
22) Install the seat part of the rear seat - refer to 25-12-00.
AEAB
Validity : Post-MOD. 182 28-40 01Page 502
(FA) SEP 04
11 - "MIN" potentiometer
12 - "MIN" potentiometer
13 - "MAX" potentiometer
14 - "MAX" potentiometer
15 - Gaging conditioner
O
Gages - Adjustment / Test
Figure 502
AEAB
Validity : Post-MOD. 182 28-40 01Page 504
(FA) SEP 04
GAGES
INSPECTION / CHECK
WARNING : OBEY THE SAFETY PRECAUTIONS DESCRIBED IN 28-00-00.
NOTE : This procedure is applicable to L.H. and R.H. installations. Information specific to R.H. installation are given in square brackets.
1. CHECK OF FUEL TANK LEVEL INDICATORS AND FUEL ELECTRICAL SYSTEM IN FUSELAGE (Figure 601)
A. Tools and consumable materials
- Ohmmeter
B. Procedure
WARNING : APPLY THE MAINTENANCE PROCEDURE OF THE FUEL SYSTEM — REFER TO 28-00-00.
S / N 275 - 524
1) Fill up the appropriate fuel tank - refer to 12-11-01.
2) Check on the engine monitoring cluster that the indicator shows full.
3) If it does not :
a) Disconnect electric connectors (1) at wing / fuselage junction.
b) On fuselage side connector, connect wire (EJ4 for R.H. wing, EJ5 for L.H. wing) to ground. The indicator should show full.
c) With an ohmmeter, set up a resistor of about 110 ohms on the wire EJ4 or EJ5. The indicator should show approximately half-full.
d) Set up a resistor of about 190 ohms. The indicator should show empty.
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