61-101-00802.EF2 (REV. G) CH. 2
January 7, 2015 Page 15 of 44
4. CAPACITANCE TEST (INDIVIDUAL PROBES)
Note: Refer to PRECAUTIONS and PRELIMINARY sections (Chapter 1).
A. Aircraft Preparation
Caution: When breaking or making indicator connections, insure that the
applicable circuit breaker(s) are open.
(1) Access the Interconnect Fuel Line Receptacle, left or right, located
under the panel’s just outboard of the engine nacelles (if testing UA
or UB serial numbers) or, access the Main Harness disconnect and
Aux Harness disconnect (if testing the UC or UE serial numbers).
(2) Open the circuit breakers.
(3) Disconnect the aircraft connector at the Interconnect Fuel Line
Receptacle (if testing UA or UB serial numbers) or the Main Harness
disconnect and Aux Harness disconnect (if testing the UC or UE
serial number).
(4) If testing UC and UE serial numbers, connect P/N 118-389004/935
between the Aux harness disconnect and the Main harness
disconnect. If testing UA or UB serial numbers, connect probe
selector unit 114-389001/935 between the interconnect fuel line
receptacle and the connection in the fuel line.
B. Test Set Preparation
(1) Set the ON/OFF switch to OFF.
(2) Rotate the TEST FUNCTION switch to PROBE(S).
(3) Set the INSULATION/SYSTEM switch to SYSTEM.
(4) Set the MAIN/TOT-AUX/NAC switch to MAIN/TOT.
(5) Set the 200 (pF)/1000 (pF) switch to 200 (pF).
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