61-101-00802.EF2 (REV. G) CH. 2
January 7, 2015 Page 14 of 44
MAIN/TOTAL AUX/NAC
Aircraft Type Min Nom Max Min Nom Max
1900 (UA)
1900C (UB)
141.6 157.7 173.0 --- --- ---
1900C (UC)
1900D (UE)
156.3 159.3 162.2 63.1 64.1 65.1
Table 2 Tank Capacitance Empty
MAIN/TOTAL AUX/NAC
Aircraft Type Min Nom Max Min Nom Max
1900 (UA)
1900C (UB)
233.3 259.2 285.1 ---- ---- ----
1900C (UC)
1900D (UE)
292.6 295.6 298.6 114.2 115.2 116.2
Table 3 Tank Capacitance Full
(5) Release pushbutton.
(6) If testing serial numbers UC or UE, set the aircraft fuel panel select
switch to AUX.
(7) Push and hold the PRESS TO READ CAP (pF) pushbutton.
(8) Verify that the tanks’ value is within tolerances as specified in Table 2
(Empty) and Table 3 (Full).
Note: Ensure that capacitance is within specifications. If a test is
not within specification, perform the Capacitance Test for
Individual Probes (Section 4). When all faults are corrected,
restart this System Capacitance Test.
(9) Set the test set ON/OFF switch to OFF.
Note: If testing the opposite side, repeat procedure.
E. Disconnecting/Reconfiguring
(1) Disconnect the test set from the aircraft harness.
(2) Reconnect the aircraft wiring plug to the indicator.
(3) Reconnect the aircraft battery.
(4) Close the circuit breakers.
(5) Return the aircraft to its original configuration.
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