System Maintenance Manual

G1000/GFC700 System Maintenance Manual – C90A/C90GT/C90GTi King Air Page 4-9
190-00682-01 Revision F
Item Description/Procedure
Manual
Section No.
Interval
Emergency Battery
Check*
Verify the emergency battery is being
charged
4.16.1
200 hours max or
6 Calendar Months
(whichever first)
Standby Instrument
Electrical Power
Checks
*
Verify STBY ATT & STBY ALT vibrator
operate and STBY ATT, STBY ALT &
STBY A/S illumination function on either
aircraft power or standby battery power
(standby compass checked during
existing maintenance)
8.1.5 220 hours max
Aerospace Optics
Annunciator –
Standby Battery
Removal & Replacement 6.21
On Condition
Northern Airborne
Speaker Amplifier (if
added by this STC)
Removal & Replacement:
Refer to King Air Model 90 Series
Maintenance Manual listed in Table 1-2.
N/A
4.3.1 Discontinued Maintenance
Table 4-2 shows a list of inspections and tests that are listed in the King Air Model 90 Series Maintenance
Manual, but may be no longer required post incorporation of this STC. It is the responsibility of the
installer to ensure that there are no post factory installations that would require these checks to remain.
Table 4-2. Discontinued Maintenance Intervals
Item Description/Procedure Manual Interval
AC Inverter Operational Check Phase Inspections Phases 1 - 4
Engine Torque
Indicating System**
Torque Indicator Re-calibration
CenTex STC
SA10339SC
5,000 hours
** Engine Torque Indicating System as installed by CenTex STC SA10339SC includes both an
indicator and a transducer. The indicator is removed per this STC (SA01456WI-D); the
transducer remains in the aircraft and the existing maintenance requirements for the transducer
are still applicable.
IMPORTANT!
For installed equipment not listed in this maintenance manual, use the inspection
procedures set forth in Chapter 05 of the King Air Model 90 Series Maintenance
Manual, or other appropriate maintenance manual, as the requirements set forth by
those manuals are still applicable. The requirements set forth by this document
take precedence over those set forth by the King Air Model 90 Series Maintenance
Manual, or other appropriate maintenance manual, in cases where the requirements
conflict.
*
Denotes Airworthiness Limitation Maintenance Requirement (See Section 4.1)