61-101-00802.EF2 (REV. G) CH. 1
January 7, 2015 Page 2 of 44
E. Precautions
(1) Refer to Aircraft Maintenance manual for proper fueling and defueling
procedures. Observe all safety precautions.
(2) Refer to the Aircraft Maintenance manual for location of the system
components and instructions for removal and replacement.
(3) Insure fuel quantity circuit breakers are open and they remain open
while aircraft and test set connections are broken or made.
(4) Insure power remains OFF unless otherwise specified.
F. Preliminary
(1) To insure the integrity of all system components, perform the
Insulation, Capacitance tests first. Then, perform one of the Indicator
tests (System or Bench) and, if necessary, the Probe Bench test.
These tests will provide an effective means for troubleshooting the
system.
(2) After performing an indicator test and before returning the aircraft to
service, calibrate the aircraft fuel quantity system using the Preferred
(or Alternate) Calibration Test.
(3) Failure to calibrate the system could result in an inaccurate fuel
quantity indication.
G. Disclaimer
(1) BARFIELD, INC., neither a vendor nor supplier of fuel quantity systems
or an airframe manufacturer, has no control over calibration figures or
procedures. A variant between actual values and those recommended
may exist. However, the information presented is correct to the best of
our knowledge at time of publication and is presented for reference
only.
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